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Los Angeles Basin Water Augmentation Study Phase II Monitoring Report Update The Los Angeles and San Gabriel Rivers Watershed Council August 2008

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Page 1: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Los Angeles Basin

Water Augmentation Study Phase II Monitoring Report Update

The Los Angeles and San Gabriel Rivers Watershed Council

August 2008

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Funding for this project has been provided in part by grants from the US Bureau of Reclamation and by the following cost-sharing partners:

• California Department of Water Resources • City of Los Angeles Department of Water and Power • City of Los Angeles Watershed Protection Division • City of Santa Monica Environmental Programs Division • Los Angeles County Department of Public Works • Metropolitan Water District of Southern California • Regional Water Quality Control Board – Los Angeles • Water Replenishment District of Southern California

Additional funding for this project has been provided through contracts with the CALFED Bay-Delta Watershed Program (CALFED Agreement No. 4600001727), administered by the California Department of Water Resources, and the State Water Resources Control Board (SWRCB) pursuant to the Costa-Machado Water Act of 2000 (Proposition 13) and any amendments of this document thereto for the implementation of California’s Nonpoint Source Pollution Control Program. The contents of this document do not necessarily reflect the views and policies of the DWR or SWRCB, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.

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Los Angeles Basin Water Augmentation Study Phase II Monitoring Report Update

Table of Contents

August 2008 i

EXECUTIVE SUMMARY .................................................................................................. 2 

INTRODUCTION ................................................................................................................ 2 

MONITORING PROGRAM .............................................................................................. 3 ANALYTICAL SUITE ...................................................................................................... 4 DESCRIPTION OF THE STORM SEASONS ................................................................. 4 

MONITORING RESULTS ................................................................................................. 4 DISCUSSION OF ANALYTICAL RESULTS ................................................................. 5 SUMMARY ....................................................................................................................... 7 

NEXT STEPS ....................................................................................................................... 8 

APPENDIX ........................................................................................................................... 9 Appendix A. Site Location Maps Appendix B. Analytical List Appendix C. Complete Storm water, Lysimeter, Groundwater Water Quality Results Appendix D. Soil Analytical Results Appendix E. Time-Concentration Charts and Results of Trend Analysis Appendix F. Depth-Concentration Charts

TABLES Table 1. Monitoring Sites BMP Hydrology ......................................................................... 10 Table 2. Monitoring Points .................................................................................................. 11 Table 3. Summary Analytical Suite ..................................................................................... 11 Table 4. Summary Results – Broadous School .................................................................... 12 Table 5. Summary Results – Hall House ............................................................................. 14 Table 6. Summary Results – IMAX ..................................................................................... 15 Table 7. Summary Results - Metal Recycler ....................................................................... 18 Table 8. Summary Results - Sun Valley .............................................................................. 21 Table 9. Summary Results - Veterans Park ......................................................................... 24  FIGURES Figure 1. Monitoring Site Locations .................................................................................... 26 Figure 2. Monitoring Sites ................................................................................................... 27 Figure 3. Annual Rainfall by Monitoring Site ..................................................................... 28 Figure 4 Depth Concentrations for Chloride - Veterans Park ............................................. 29 Figure 5 Chloride Concentrations Over Time - Veterans Park ........................................... 30 Figure 6. WAS Project Timeline .......................................................................................... 31 

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EXECUTIVE SUMMARY

The Los Angeles Basin Water Augmentation Study determined there is no significant degradation of groundwater quality from the infiltration of storm water-borne pollutants. Based on trend analysis collected between 2000 and 2007, groundwater quality was stable or improved for most constituents at sites with shallow groundwater and sites with deep groundwater.

Monitoring was conducted throughout the Los Angeles basin with various land uses including, two industrial sites, an elementary school, a commercial office building, a private residence, and a public park. Samples were collected from stormwater runoff, vadose zone (lysimeters), and groundwater and analyzed for more approximately 80 constituents of concern including metals, organics, general water quality parameters, and emerging contaminants.

The Los Angeles Basin Water Augmentation Study is a long-term research project led by the Los Angeles & San Gabriel Rivers Watershed Council in partnership with eight local, state, and federal agencies. The study is evaluating the practical potential to improve surface water quality and increase local groundwater supplies though infiltration of urban storm water runoff. The results from this research have led to the development of the Elmer Avenue Neighborhood Retrofit Project to showcase best management practices to increase infiltration of stormwater in existing infrastructure.

INTRODUCTION

The Los Angeles Basin Water Augmentation Study is a long-term research project led by the Los Angeles & San Gabriel Rivers Watershed Council in partnership with eight local, state, and federal agencies. The study is evaluating the practical potential to improve surface water quality and increase local groundwater supplies though infiltration of urban storm water runoff. Initiated in 2000, the study addresses a number of questions to better characterize the benefits of storm water capture and infiltration, including implications for NPDES and TMDL compliance; long-term impacts of infiltration on the vadose zone and groundwater quality and quantity; and appropriate and favorable geographic, geologic, and hydrologic conditions for infiltration. The overall goals of the study will be to evaluate the costs and benefits of implementation, and determine the most effective strategy for developing this potentially significant source of water for southern California.

The focus of the early phases of the study was to monitor the fate and transport of runoff-borne pollutants by measuring storm water quality at the surface, and as it infiltrates through the soil to groundwater. Phase I focused on water quality assessment on single parcels utilizing infiltration structures, by monitoring two locations for one winter season. Phase II expanded the monitoring in time and scope, adding new sites with different land uses, hydrogeology, and infiltration techniques, and included monitoring of all six sites for several years.

The Phase II final report published in 2005 provides a summary of monitoring activities and results for the first four years of the program. We conducted limited monitoring for an

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additional two years after that report was published. This report provides information on activities undertaken during the entire monitoring phase of the project, from July 1, 2001 through July 31, 2007, and summary analysis of the water quality results from that monitoring. The Appendix includes complete water quality and soil data results, trend analysis graphs, and other technical data. Further details on the monitoring sites and the monitoring program criteria are contained in the 2005 report, on the Watershed Council’s website: www.lasgrwc.org/WAS.htm.

MONITORING PROGRAM

Monitoring sites are located throughout the Los Angeles area and include two industrial sites, an elementary school, a commercial office building, a private residence and a public park (see Figure 1. Monitoring Site Locations). The sites are as follows:

• Broadous Elementary School, Pacoima

• Hall House, Los Angeles (private residence)

• IMAX Corporation, Santa Monica (commercial building)

• Scrap Metal Recycler, Los Angeles (industrial)

• Recycling Transfer Facility , Sun Valley (industrial)

• Veterans Park, Long Beach

Groundwater depths range from 20 feet to over 350 feet below ground surface (Table 1. Monitoring Sites BMP Hydrology). All sites were retrofit with various infiltration structures, ranging from simple landscaped swales to large-scale underground infiltration fields. Monitoring equipment installed as part of the study included soil water samplers (lysimeters) installed beneath the ground surface, groundwater wells and soil moisture sensors. Soil samples were collected when the monitoring equipment was installed and again in 2005.

Two locations (Broadous & IMAX) were monitored during the 2001-02 winter and, with the addition of the residential location, three sites were monitored during 2002-03. The other three monitoring locations, two industrial and one commercial/recreational site, were added prior to the 2003-04 winter. Geomatrix Consultants designed and constructed the BMPs and installed monitoring equipment at these three sites. All six locations were monitored during the 2003-04 and 2004-05 seasons.

The initial monitoring program consisted of taking storm water runoff samples during storm events, and taking post-storm vadose zone samples from lysimeters and groundwater samples from monitoring wells. Pre-season and post-season groundwater samples were also collected. Collectively, the six sites represent 12 storm water sample collection points, 17 lysimeters, and 10 groundwater wells.

A supplemental program of subsurface monitoring was conducted for an additional two years. Monitoring during 2006 and 2007 included all sites except the Hall House, which

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does not have a groundwater well. We conducted post-storm monitoring of lysimeters and groundwater wells and pre- and post-season groundwater sampling. No storm water samples were collected, as surface runoff quality was previously well-characterized at these sites. Monitoring was scheduled after significant storm events and late in the storm season, to ensure that infiltration to the deepest lysimeters would occur.

Analytical Suite

A summary of the analytical suite is presented in Table 3. Additionally, temperature, pH and conductivity were measured in the field. During the last two years of monitoring, the analytical suite was limited to metals, general parameters, volatile organics, and perchlorate. Not all constituents were analyzed from lysimeter samples, for several reasons. Sampling from the lysimeters is restricted by the amount of water that can be evacuated from a lysimeter, which varies according to soil moisture conditions. Additionally, some analytes, such as total suspended solids and turbidity, are not measurable from a lysimeter sample as they would be filtered by the lysimeter itself. Therefore, the sampling suite for lysimeters was reduced to selected priority analytes. A detailed list of constituents, including detection limits and laboratory methods, is provided in Appendix B. All soil and water samples were analyzed by a state-certified laboratory.

Some constituents consistently resulted in non-detects at all sample points. Bacteriological constituents (total coliforms, E. coli, and fecal coliforms) occur in storm water, sometimes in very high concentrations, but detections in the lysimeter and groundwater samples were extremely low or not detected at all. At the end of each season, the TAC revisited the constituent list to eliminate some of these constituents for the next season. For example, NDMA, pesticides, 1,4-Dioxane and bacteriological constituents were dropped from the list for the oldest sites after two years, and for the newest sites after one round of samples. Fuel oxygenates, in addition to MtBE, were added to the organics analysis (DIPE, ETBE, TAME, TBA and ethanol). The detection limit for 1,2,3-trichloropropane, an emerging contaminant in groundwater, was reduced to 0.005 µg/L for one round of samples at all sites.

Description of the Storm Seasons

Annual rainfall for the six monitoring locations is shown in Figure 3, measured from the nearest Los Angeles County rain gauge. The four years of monitoring saw a wide range of rainfall variability, from the driest years on record (2001-02 and 2006-07) to the second wettest year on record (2004-05). Rainfall varied geographically as well during the study. Total rainfall amounts during 2004-05 ranged from about 22 inches at Veterans Park, to over 37 inches at the Sun Valley site. This spatial and temporal variability presented challenges not just for monitoring, but also for designing appropriately sized infiltration facilities to capture runoff cost-effectively.

MONITORING RESULTS

Monitoring results include all analytical results from:

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• Soil samples collected from all sites during lysimeter installation (pre-infiltration) and at the end of the initial monitoring phase in 2005.

• Pre- and post-season groundwater samples from up gradient and down gradient wells at each site except the residential site.

• Storm water samples at all sites.

• Post-storm lysimeter samples from all sites.

• Post-storm groundwater samples from down gradient wells.

Comprehensive water quality and soil sample analytical results for each site are presented in Appendix C and D, respectively. The concentration ranges for selected water quality constituents (minimum and maximum detected values) are presented in summary tables for each site in this report (Tables 4 to 9). The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other constituents of concern, and any VOCs and SVOCs detected in at least one sample. Polycyclic aromatic hydrocarbons, or PAHs, were not detected in any sample during the course of this study.

Water quality results were analyzed both temporally and spatially. Time-concentration charts were plotted for constituent concentrations at each monitoring point over the period of the monitoring program. Mann-Kendall trend analysis was conducted, which indicates whether there is a significant increasing or decreasing trend in concentrations for any constituent at a given monitoring point. This analysis was performed for over 600 combinations of constituent and monitoring point. The time-concentration charts and the results of the Mann-Kendall trend analysis are contained in Appendix E. For spatial analysis, depth-concentration charts were plotted that show the variation in concentrations for a particular constituent between each sampling point by depth. These are contained in Appendix F. Examples of the two types of charts are included for chloride at Veterans Park (Figure 4 and 5).

Discussion of Analytical Results

This discussion includes the results reported in the 2005 report, and an updated discussion of trends detected in groundwater quality. Overall, trends observed from the initial monitoring period have continued: data collected to date indicate that there is no significant degradation of groundwater quality from the infiltration of storm water-borne pollutants, and groundwater quality is stable or improved for most constituents at sites with shallow groundwater. Thus we continue to find that there are still no significant trends indicating that infiltration of storm water runoff is negatively impacting groundwater at these sites.

Time-concentration Trends Of the over 600 Mann-Kendall trend analysis tests conducted, less than 80 trends were detected in subsurface samples (lysimeter and groundwater) over the entire monitoring period. Most of these, 84%, were negative trends. Positive trends were detected for four constituents in groundwater sampling locations, as discussed below.

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1. Chloride in the monitoring well at the metal recycler. The increase in chloride at the metal recycler is likely not due to contributions from storm water, given the depth to groundwater at that site. Concentrations are consistently higher in groundwater than in storm water, and there are no corresponding increasing trends in any of the lysimeters at that site indicating downward migration of chloride.

2. Chloride in one monitoring well at Veterans Park. While concentrations of chloride in groundwater well #1 show an increasing trend, the other three wells and the two lysimeters have statistically significant downward trends in concentration. MW-01 is the furthest monitoring point from the infiltrator and the least likely to be impacted by infiltrating storm water. It is possible that chloride from the vadose zone could be mobilized by infiltrating water and transported to the vicinity of MW-01. This lateral transport might be possible because of the amount of clay in the subsurface.

3. Nitrate in one monitoring well at Veterans Park Nitrate in monitoring well #2 appears to indicate an increasing trend, but may actually be a false positive. Concentrations of nitrate are low in all samples, ranging from 0.56 to 3.9 mg/L, lower than that of the other groundwater wells at the site. There are decreasing trends in nitrate in the two adjacent wells (MW-03 and MW-04), and MW-02 seems to have stabilized over the past two years at about 3 mg/L.

4. Dissolved zinc in one monitoring well at Veterans Park. In monitoring well #3, dissolved zinc indicated a slight increasing trend in groundwater. Although statistically significant, concentrations are very low compared with the other wells at that site and have actually decreased since the fall of 2006. Storm water concentrations were much higher than groundwater, and fluctuated a great deal during the initial monitoring period thus no direct correlation is apparent. Zinc concentrations also decreased in soil samples during the same period.

In most cases, concentrations of metals tended to be higher in storm water than in subsurface water samples. Metal concentrations in subsurface samples showed continued variability and generally stable or decreasing concentrations. Exceptions are slightly increasing trends of copper and zinc in one of the lysimeters at the Sun Valley site that could be associated with infiltration of storm water with relatively higher concentrations of these metals. A similar trend occurred in one lysimeter at the metal recycler. These trends are not reflected in groundwater samples.

Other Results As reported previously, soil appears to be very efficient at removing bacteria from storm water. Total coliforms were detected at high levels in nearly all storm water samples at all sites, while fecal coliform and E. coli were detected in at least one storm water sample from each site except Hall House. With the exception of one sample at the Broadous School, bacteria were not detected, or detected at very low concentrations, in lysimeter and groundwater samples.

Most inorganic groundwater quality constituents do not show clear trends or show decreasing concentrations over the study period. Except in the four cases discussed above, concentrations do not show any statistically significant increases. Groundwater quality data from the shallow groundwater sites continue to show water quality improvements

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(decreasing salt concentrations) potentially associated with dilution by infiltrating storm water.

At the non-industrial sites the concentrations of general monitoring parameters such as TDS and chloride tended to be less than or similar to concentrations in lysimeter and groundwater samples. This suggests that the infiltration of storm water is not likely to have a significant negative impact to groundwater from these constituents. At Veterans Park, concentrations of TDS, nitrate, chloride, and other salts in groundwater samples (including pre-infiltration background samples) was much higher than concentrations in storm water samples. Data collected to date continue to show that concentrations of many of these constituents in lysimeter and groundwater samples are decreasing with time, possibly due to dilution by infiltrated storm water.

Other than acetone, VOCs and SVOCs detected in storm water are different than VOCs detected in subsurface samples. VOCs detected in groundwater samples during the monitoring period were also detected in initial background samples. With the possible exception of occasional low level detections of acetone, VOCs in storm water do not appear to impact groundwater at all. At the industrial sites, groundwater constituents such as MtBE and chlorinated solvents were present in some lysimeter samples at greater concentrations than present in any storm water samples. This finding suggests the presence of subsurface contamination prior to the installation of storm water infiltration facilities.

Although perchlorate was detected in some storm water samples, there is no apparent correlation between storm water and groundwater detections. Other constituents of concern for groundwater (disinfection byproducts, 1,4-Dioxane, PAHs and DBCP) were not detected in storm water.

Summary

The data collected during this study show no immediate impacts, and no apparent trends to indicate that storm water infiltration will negatively impact groundwater at these sites. Over the long term, given the depth to groundwater at the two industrial sites and at Broadous, it seems unlikely that constituents introduced into the soil from storm water infiltration would migrate all the way to the groundwater at a detectable concentration. At the sites with shallow groundwater, water quality continues to show improvements for many constituents.

While variations in storm water and groundwater constituents between types of land use were apparent, they may not be a barrier to infiltration. Filtration methods employed at the industrial sites seemed to be effective at removing certain constituents prior to entering the infiltration system, which may make infiltration more feasible at these more contaminated sites. However, site characterization of surface and soil constituents at industrial sites should be conducted prior to implementing infiltration strategies.

While it is clear that site-specific conditions must be considered when urban runoff is considered for recharge as potable groundwater, it is also important to note that groundwater recharge offers a number of benefits to municipal water managers. Groundwater storage is less costly in terms of construction costs, environmental impacts, evaporation loss of water, and eutrophication as compared to surface-water reservoirs.

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Further, recharging groundwater puts the resource in closer proximity to the end-user than pumping water from reservoirs, an additional cost savings. With proper planning and research, the use of urban runoff for recharge of groundwater offers a viable alternative to relying solely on purchased water for such activities, water that may not be available in present quantities for purchase in the future. On average, over 500,000 acre-feet of runoff flow to the ocean from the Los Angeles County basin each year. If some portion of this water can be captured for reuse, the pressure on supplies in northern and central California may be moderated.

NEXT STEPS

The WAS is now in its eighth year and is currently funded through completion of the study in 2010. Figure 6 illustrates each of the project phases, the goal of each, and sources of funding.

The third phase of the study will incorporate a demonstration project on a neighborhood scale. Plans are underway to retrofit a residential block in Sun Valley with Best Management Practices to address storm water infiltration as well as water conservation, pollution reduction and treatment, flooding, and community enhancement. Specific techniques will include conversion to native drought-tolerant landscapes, facilities to capture runoff for infiltration and reuse, and adding green space and habitat areas. The demonstration project will be monitored for water quality as well as for reduction of runoff and water use, changes in property values, and other potential benefits. This neighborhood project will provide a real-world model of addressing existing infrastructure and will serve to integrate many on-going efforts in the region to address flood management, water quality, water supply and environmental restoration. Our goal is to demonstrate how these approaches can be applied on a regional scale in Southern California as well as in other geographic regions.

In addition to the demonstration project, we are assessing the overall feasibility of utilizing infiltration techniques to capture storm water for groundwater recharge. The Bureau of Reclamation has developed a groundwater augmentation model to predict the amount of additional water that could be available for deep percolation if infiltration is increased. We are also developing a regional cost and benefit assessment to determine the real cost of this new water supply. The long-term goal of this project is a regional strategy for implementation.

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APPENDIX

The following appendices are included on the project website www.lasgrwc.org/WAS.htm Appendix A Site Location Maps Appendix B Analytical List Appendix C Complete Storm water, Lysimeter, and Groundwater Water Quality Results. Appendix D Soil Analytical Results Appendix E Time-Concentration Charts and Results of Trend Analysis Appendix F Depth-Concentration Charts

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Table 1. Monitoring Sites BMP Hydrology

Parameter Units Broadous IMAX Hall House Metal Recycler

Veterans Park Sun Valley

Sample Point

Paved school yard

1) Roof 2) Parking lot

1) Roof 2) Driveway

Paved Yard Parking lot 1) Roof 2) Paved Yard

Design Rainfall

inches 0.75 0.75 10 0.75 0.75 0.75

Design Storm Intensity (max)

in/hr 0.75 0.75 100-year event

0.75 0.75 0.75

Catchment Area (est)

sq. ft. 305,000 1) 47,916 2) 68,390

3,000 37,200 21,200 1) 51,000 2) 75,000

Runoff Volume

gallons 95,200 N/A N/A 17,400 9,900 1) 23,850 2) 35,065

Design Runoff Rate

gal/min N/A N/A N/A 286 165 1) 394 2) 580

BMP Inlet Sheet flow direct to pretreatment separator

1) roof drain to dry well 2) Sheet flow into landscape strip

1) Roof drain to landscaping 2) Sheet flow to driveway drain

Sheet flow direct to sedimentation basin

Sheet flow to catch basin; piped to buried sedimentation vault

1) Roof drain direct to buried perforated pipes 2) Sheet flow direct to sedimentation basin

Sediment Removal

Yes No Yes Yes Yes 1) No 2) Yes

Oil/Grease Removal

Yes No Yes Yes No 1) No 2) Yes

Recharge Method

Buried infiltration units in gravel bed

Direct through soil

Buried dry well

Buried perforated pipeline in gravel bed

Buried perforated pipeline in gravel bed

Buried perforated pipeline in gravel bed

N/A: data not available

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Table 2. Monitoring Points Site Name, Year Monitoring Started

Surface Water Monitoring Point ID

Surface Water Collection Point

LysimeterID

InstalledDepth (ft)

MonitoringWell ID

Initial Groundwater Depth

Broadous 2001

B-SW-01 School Yard B-LS-02* 24 B-MW-01 155 feet B-MW-02 139 feet

IMAX 2001

I-SW-01 Roof Drain I-LS-01 8 I-MW-01 32 feet I-SW-02 Parking Lot I-LS-03* 10 I-MW-02 31 feet

Hall House 2002

H-SW-01 Roof Drain H-LS-01 8 none H-SW-02 Driveway

Veterans Park 2003

V-SW-01 Parking Lot V-LS-01 15 V-MW-01 23 feet V-SW-02 Parking Lot V-LS-02 15 V-MW-02 23 feet V-WM-03 23 feet V-MW-04 22 feet

Metal Recycler 2003

M-SW-01 Detention Basin Inlet M-LS-01 37 M-MW-01 225 feet

M-SW-02 Detention Basin Outlet M-LS-02 51

M-LS-03 37 M-LS-04 51

Sun Valley 2003

S-SW-01 Roof Drain S-LS-01 25 S-MW-01 143 feet Installed casing to run geophysical logs. (groundwater depth is ~350 feet below surface)

S-SW-02 Detention Basin Inlet S-LS-02 47

S-SW-03 Detention Basin Outlet S-LS-03 25

S-LS-04 47 S-LS-05 71

*replaced original lysimeter in same vicinity (B-LS-01 and I-LS-02)

Table 3. Summary Analytical Suite Category Storm water

and wells Lysimeters

General Minerals X X Trace Metals (total & dissolved) X X Oil and Grease X Hall House Perchlorate X X

Glyphosate X Vets Park Volatile organic compounds (VOCs) X X Semi-volatile organic compounds (SVOCs) X NDMA X Surfactants X Bacteria (total coliform, fecal coliform, e. coli) X X

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Table 4. Summary Results – Broadous School

Monitoring Station2

Constituent Units1 Fraction B-SW-01 B-LS-01 B-LS-02 B-MW-01 B-MW-02

General Monitoring Parameters Nitrate (as N) mg/L N/A ND - 1 0.583 - 110 2.4 - 5.7 0.3 - 8.4 5.6 - 14 Total Kjeldahl Nitrogen mg/L N/A 1.1 - 6.2 -- ND - 1.3 ND - 0.56 ND - 0.35 Ammonia-Nitrogen mg/L N/A ND - 1.02 0.14 ND - 0.35 ND - 0.14 ND - 0.33 Total Dissolved Solids mg/L N/A 43 - 330 78 - 1700 490 – 990 540 - 680 430 - 846 Total Suspended Solids mg/L N/A 12 - 200 130 -- ND - 2548 ND - 2100 Chemical Oxygen Demand mg/L N/A 23 - 220 247 ND – 120 ND - 32.37 ND - 120 Chloride mg/L N/A 2 - 72 70 - 160 34 – 130 22 - 87 19 - 38 Metals Aluminum µg/L Dissolved ND - 259 ND ND ND ND - 73.8 Aluminum µg/L Total 337 - 6500 ND - 68.7 ND ND - 274 ND - 17900 Arsenic µg/L Dissolved ND - 5.82 2.18 - 5.63 1.74 - 11.3 ND - 1 ND - 1.29 Arsenic µg/L Total ND - 6.62 ND - 7.92 1.76 - 12.3 ND - 3.5 ND - 2.86 Cadmium µg/L Dissolved ND ND ND - 0.789 ND ND Cadmium µg/L Total ND - 0.663 ND ND - 0.866 ND - 0.63 ND Chromium, Hexavalent µg/L Dissolved ND - 0.49 ND - 0.59 0.62 – 40 ND - 1.7 ND - 1.1 Copper µg/L Dissolved ND - 22.1 5.83 - 66.9 2.68 – 19 ND - 5.27 ND - 87 Copper µg/L Total 4.33 - 39.9 10.3 - 220 2.85 – 19 ND - 73.1 ND - 87 Lead µg/L Dissolved ND - 1.22 ND - 0.54 ND - 0.695 ND ND - 9.56 Lead µg/L Total 0.716 - 36.3 ND - 6.44 ND - 0.84 ND - 34.7 ND - 30.4 Mercury µg/L Dissolved ND -- ND ND ND - 0.109 Mercury µg/L Total ND - 0.122 ND ND ND ND - 0.228 Zinc µg/L Dissolved 7.54 - 369 42.2 - 828 6.91 - 71.8 ND - 412 ND - 77.5 Zinc µg/L Total 14.1 - 369 ND - 2060 11.1 - 54.7 5.69 - 950 ND - 157 Other Constituents MBAS (Surfactants) mg/L N/A ND - 0.38 -- -- ND ND Oil and Grease mg/L N/A ND - 3.6 -- -- ND - 1.5 ND - 5.7 Perchlorate µg/L N/A ND - 5.2 ND ND - 0.3 ND - 0.64 ND - 1.1 Volatile Organic Compounds Benzene µg/L N/A ND ND ND ND - 2.3 ND - 1.6 Toluene µg/L N/A ND ND ND ND - 6.4 ND - 5.2

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Monitoring Station2

Constituent Units1 Fraction B-SW-01 B-LS-01 B-LS-02 B-MW-01 B-MW-02

Ethylbenzene µg/L N/A ND ND ND ND - 1.2 ND - 1.1 o-Xylene µg/L N/A ND ND ND ND - 8.4 ND - 8.2 p/m-Xylene µg/L N/A ND ND ND ND - 5.7 ND - 5.2 Trichloroethylene (TCE) µg/L N/A ND ND ND ND - 2 ND - 1.4 Tetrachloroethylene (PCE) µg/L N/A ND ND ND ND - 44 ND - 40 1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A ND ND ND ND ND - 0.54 1,1-Dichloroethane µg/L N/A ND ND ND 0.8 - 1.2 ND 1,1-Dichloroethylene µg/L N/A ND ND ND ND - 5.2 0.98 - 1.7 1,2,4-Trimethylbenzene µg/L N/A ND ND ND ND - 1.1 ND - 1 1,3,5-Trimethylbenzene µg/L N/A ND ND ND ND - 1.1 ND - 1.3 2-Butanone (Methylethyl ketone) µg/L N/A ND - 8.8 40 ND ND - 1 ND 2-Hexanone µg/L N/A ND - 0.93 ND ND ND ND Acetone µg/L N/A ND - 37 ND ND - 600 ND - 26 ND - 2.7 Bromoform µg/L N/A ND ND ND ND - 3.8 ND Carbon disulfide µg/L N/A ND 5.6 ND - 8.9 ND ND Chloroform µg/L N/A ND ND ND ND - 5.2 ND - 1.2 cis-1,2-Dichloroethene µg/L N/A ND ND ND ND - 0.71 ND Dibromochloromethane µg/L N/A ND ND ND ND - 11 ND - 1.1 Dichlorobromomethane µg/L N/A ND ND ND ND - 8.6 ND - 0.56 Diethyl Ether µg/L N/A ND - 0.8 ND ND ND ND Methylene Chloride µg/L N/A ND - 1.6 ND ND - 0.93 ND ND Naphthalene µg/L N/A ND ND ND ND - 1.1 ND - 1.1 Tert-Butyl Alcohol (TBA) µg/L N/A ND -- ND - 12 ND ND Tetrahydrofuran µg/L N/A ND 94 ND ND ND Semi-Volatile Organic Compounds Bis(2-Ethylhexyl) Phthalate µg/L N/A ND - 20 -- -- ND - 150 ND - 74.3 Biological Parameters Total Coliforms MPN/100 mL N/A 1300 - 35000 ND - 90000 -- 12 - 30000 ND - 11000 Fecal Coliform MPN/100 mL N/A 80 - 5000 ND -- 23 ND - 1.1 E. coli MPN/100 mL N/A 20 - 1300 ND -- 6.9 ND 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Table 5. Summary Results – Hall House

Monitoring Station2 Constituent Units1 Fraction H-SW-01 H-SW-02 H-LS-01

General Monitoring Parameters Nitrate (as N) mg/L N/A ND - 0.39 0.24 - 1.5 ND - 0.28 Total Kjeldahl Nitrogen mg/L N/A ND - 2 1.4 - 24 ND - 0.28 Ammonia-Nitrogen mg/L N/A ND - 0.49 0.28 - 2 ND Total Dissolved Solids mg/L N/A 10 - 82 28 - 48 290 - 610 Total Suspended Solids mg/L N/A ND - 51 9.6 - 110 -- Chemical Oxygen Demand mg/L N/A 5 - 74 69 - 280 ND - 5.1 Chloride mg/L N/A ND-3.2 ND-3.4 ND-65

Metals Aluminum µg/L Dissolved ND ND - 122 ND Aluminum µg/L Total ND - 2540 1340 - 8210 ND Arsenic µg/L Dissolved ND ND - 1.19 ND - 4.26 Arsenic µg/L Total ND - 1.31 ND - 3.56 ND Cadmium µg/L Dissolved ND - 0.396 ND ND - 0.245 Chromium, Hexavalent µg/L Dissolved ND - 0.41 ND - 0.95 0.37 - 0.66 Copper µg/L Dissolved 1.3 - 6.93 3.81 - 17 1.58 - 7.71 Copper µg/L Total 1.55 - 41.3 28.8 - 123 2.43 - 6.4 Lead µg/L Dissolved 1.86 - 6.16 0.522 - 3.12 ND - 0.591 Lead µg/L Total 8.81 - 99.3 46 - 138 ND - 0.598 Mercury µg/L Dissolved ND ND ND Zinc µg/L Dissolved 86.3 - 496 27.4 - 88.1 ND - 56.9 Zinc µg/L Total 93.4 - 933 189 - 849 6.36 - 38.3

Other Constituents MBAS (Surfactants) mg/L N/A ND - 0.37 ND - 0.36 -- Oil and Grease µg/L N/A ND - 2.2 1.6 - 52 ND - 1.1

Volatile Organic Compounds 2-Butanone (Methylethyl ketone) µg/L N/A ND ND - 1.8 ND Acetone µg/L N/A 7.9 - 26 6.6 - 15 ND Carbon disulfide µg/L N/A ND ND ND - 3.6 Tert-Butyl Alcohol (TBA) µg/L N/A ND ND ND - 12

Semi-Volatile Organic Compounds Bis(2-Ethylhexyl) Phthalate µg/L N/A ND 400 --

Biological Parameters Total Coliforms MPN/100 mL N/A ND - 600 -- -- Fecal Coliform MPN/100 mL N/A ND -- -- E. coli MPN/100 mL N/A ND -- -- 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Table 6. Summary Results – IMAX

Monitoring Station2

Constituent Units1 Fraction I-SW-01 I-SW-02 I-LS-01 I-LS-02 I-LS-03 I-MW-01 I-MW-02

General Monitoring Parameters Nitrate (as N) mg/L N/A 0.15 - 0.44 ND - 1.2 7.7 - 320 0.77 - 8.2 ND - 1 3.2 - 16 7.2 - 25 Total Kjeldahl Nitrogen mg/L N/A ND - 1.5 0.84 - 2.1 ND - 1.4 ND ND - 0.7 ND - 1 ND - 0.56 Ammonia-Nitrogen mg/L N/A ND - 0.35 ND - 0.56 ND - 0.056 ND - 0.46 ND ND - 0.337 ND - 0.14 Total Dissolved Solids mg/L N/A 6.7 - 34 6.7 - 37 710 - 3000 130 - 700 180 - 750 630 - 840 500 - 903 Total Suspended Solids mg/L N/A ND - 110 ND - 140 -- -- -- 7.1 - 130 ND - 1667 Chemical Oxygen Demand mg/L N/A 7.7 - 64 13 - 61 ND - 190 6 - 36 ND - 150 ND - 44 ND - 131.6 Chloride mg/L N/A ND - 1.8 ND - 3.6 53 - 140 2.2 - 15 ND - 94 17 - 60 27 - 50 Metals Aluminum µg/L Dissolved ND ND - 105 ND ND ND ND ND Aluminum µg/L Total ND - 1180 105 - 952 ND - 455 124 - 455 ND - 440 8.8 - 3680 ND - 495 Arsenic µg/L Dissolved ND 1.3 - 138 1.62 - 8.26 2.2 - 22.1 ND - 4.77 ND - 1.4 ND - 2 Arsenic µg/L Total ND - 6.51 1.44 - 153 1.51 - 18.2 9.74 - 28.6 ND - 5.39 ND - 4.3 ND - 5.15 Cadmium µg/L Dissolved ND ND ND - 0.524 ND ND ND ND Cadmium µg/L Total ND - 0.997 ND - 0.267 ND - 0.626 ND ND ND - 0.751 ND Chromium, Hexavalent µg/L Dissolved ND - 0.3 ND - 0.61 2 - 35.2 8.4 - 74 0.32 - 1 ND - 24 ND - 18 Copper µg/L Dissolved 1.17 - 8.2 1.99 - 137 ND - 38.7 ND - 4.48 ND - 1.32 ND - 5.22 ND - 38.5 Copper µg/L Total 2.51 - 37.7 4.99 - 157 3.65 - 41.2 3.01 - 34 ND - 1.78 ND - 20.8 ND - 47.3 Lead µg/L Dissolved ND ND - 0.769 ND - 0.866 ND ND ND ND - 0.816 Lead µg/L Total ND - 76.4 0.95 - 13.7 ND - 6.3 0.723 - 9.4 ND ND - 3 ND - 11.2 Mercury µg/L Dissolved ND ND ND ND ND ND ND - 0.154 Mercury µg/L Total ND ND ND ND ND ND ND - 0.181 Zinc µg/L Dissolved 37.7 - 169 32.5 - 757 25 - 130 21 - 4650 6.89 - 35.2 ND - 75.3 ND - 400 Zinc µg/L Total 60.6 - 566 50.3 - 1240 62.8 - 209 120 - 7050 8.5 - 46.8 ND - 80.1 ND - 400 Other Constituents MBAS (Surfactants) mg/L N/A ND - 0.19 ND - 0.27 -- -- -- ND - 0.19 ND - 0.27

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Monitoring Station2

Constituent Units1 Fraction I-SW-01 I-SW-02 I-LS-01 I-LS-02 I-LS-03 I-MW-01 I-MW-02

Oil and Grease mg/L N/A ND - 58 ND - 2 -- -- -- ND - 1 ND - 1.7 Perchlorate µg/L N/A ND - 14 ND ND - 110 ND ND - 1.6 ND - 8.2 ND - 15 Volatile Organic Compounds Methyl-t-Butyl Ether (MtBE) µg/L N/A ND ND - 0.52 ND ND - 0.54 ND ND ND - 1.3 Benzene µg/L N/A ND ND ND ND ND ND - 3.1 ND - 2.6 Toluene µg/L N/A ND ND ND ND ND ND - 7.5 ND - 16 Ethylbenzene µg/L N/A ND ND ND ND ND - 27 ND - 2.1 ND - 9.3 o-Xylene µg/L N/A ND ND ND ND ND - 37 ND - 10 ND - 19 p/m-Xylene µg/L N/A ND ND ND ND ND - 170 ND - 7.6 ND - 33 Trichloroethylene (TCE) µg/L N/A ND ND ND ND ND ND - 16 ND - 88 Tetrachloroethylene (PCE) µg/L N/A ND ND ND ND ND ND - 54 ND - 38 1,2,4-Trimethylbenzene µg/L N/A ND ND ND ND ND - 2.1 ND - 1.9 ND - 6.9 1,3,5-Trimethylbenzene µg/L N/A ND ND ND ND ND - 0.6 ND - 1.3 ND - 3 2-Butanone (Methylethyl ketone) µg/L N/A ND - 1.5 ND - 1.7 ND ND - 1 ND ND ND

Acetone µg/L N/A 2.5 - 17 2.6 - 15 ND - 5.7 ND - 13 ND - 2.1 ND - 2.7 ND - 3.1 Bromoform µg/L N/A ND ND ND ND ND ND - 1 ND Carbon disulfide µg/L N/A ND ND ND - 1.2 ND - 1 1.4 - 24 ND ND Chloroform µg/L N/A ND ND ND ND ND - 0.77 ND - 6.2 ND - 1.2 Dibromochloromethane µg/L N/A ND ND ND ND ND ND - 4.4 ND Dichlorobromomethane µg/L N/A ND ND ND ND ND ND - 6.4 ND Diethyl Ether µg/L N/A ND - 0.88 ND - 1.2 ND ND ND ND ND Methylene Chloride µg/L N/A ND - 0.56 ND ND - 1.1 ND ND - 1.2 ND ND - 2.9 Naphthalene µg/L N/A ND ND ND ND ND ND - 2.1 ND - 1.6 n-Propylbenzene µg/L N/A ND ND ND ND ND ND ND - 0.75 Tert-Butyl Alcohol (TBA) µg/L N/A ND ND ND - 13 ND ND ND ND Semi-Volatile Organic Compounds Bis(2-Ethylhexyl) Phthalate µg/L N/A ND ND -- -- -- ND - 13 ND - 202.3 Phenol µg/L N/A ND ND -- -- -- ND ND - 18

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Monitoring Station2

Constituent Units1 Fraction I-SW-01 I-SW-02 I-LS-01 I-LS-02 I-LS-03 I-MW-01 I-MW-02

Biological Parameters

Total Coliforms MPN/100 mL N/A ND - 500 ND - 13000 ND - 8 ND - 13 -- ND - 800 ND - 110

Fecal Coliform MPN/100 mL N/A ND - 20 ND - 260 ND ND -- ND ND E. coli MPN/100 mL N/A ND - 20 ND - 120 ND ND -- ND ND 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Table 7. Summary Results - Metal Recycler

Monitoring Station2

Constituent Units1 Fraction M-SW-01 M-SW-02 M-LS-01 M-LS-02 M-LS-03 M-LS-04 M-MW-01

General Monitoring Parameters Nitrate (as N) mg/L N/A 1.6 - 4.2 3.2 - 4.2 1.9 - 16 1 - 16 ND - 11 5.7 - 24 ND - 0.12 Total Kjeldahl Nitrogen mg/L N/A 6.4 - 11 8.3 - 9.5 ND - 2.7 ND - 1.4 0.98 - 1.3 1.4 - 2.5 ND - 1.1 Ammonia-Nitrogen mg/L N/A 0.84 - 1.9 0.91 - 2.5 ND - 2.1 ND - 0.28 ND ND - 0.7 ND - 0.28 Total Dissolved Solids mg/L N/A 520 - 1400 670 - 1400 570 - 1700 630 - 1300 1100-1200 820 - 1330 840 - 1100 Total Suspended Solids mg/L N/A 61 - 1200 100 - 1200 -- -- -- -- ND - 20 Chemical Oxygen Demand mg/L N/A 570 - 3400 420 - 2100 5 - 54 13 - 46 23 - 79 64 - 240 ND - 57 Chloride mg/L N/A 35 - 100 50 - 72 28 - 110 35 - 99 60 - 140 36 - 120 70 - 95 Metals Aluminum µg/L Dissolved ND - 248 ND - 379 ND ND ND ND ND Aluminum µg/L Total 434 - 8360 868 - 5620 ND ND ND ND ND - 330 Arsenic µg/L Dissolved ND - 2.96 ND - 2.94 ND - 5.14 ND - 3.1 0.98 - 13.9 1.19 - 5.67 0.566-5.65 Arsenic µg/L Total 1.72 - 11.9 4.16 - 10.3 ND - 4.02 0.992-2.98 ND - 13.5 1.57 - 5.44 1.07 - 8.39 Cadmium µg/L Dissolved 0.627 - 3.26 0.285-14.1 0.294-0.76 ND– 0.637 ND - 1.05 ND - 0.271 ND Cadmium µg/L Total 9.1 - 24.1 11 - 46.4 0.33-0.797 ND– 0.732 ND - 1.02 ND - 0.269 ND Chromium, Hexavalent µg/L Dissolved 6.3 - 74 ND - 52 ND - 3 ND - 4.2 ND - 26 3.5 - 14 ND - 0.23 Copper µg/L Dissolved 59.7 - 158 47 - 153 3.01 - 17.4 2.7 - 6.99 2.93 - 14.7 7.36 - 16.5 ND - 1.41 Copper µg/L Total 148 - 792 124 - 330 3.58 - 27.2 4.17 - 14.6 3.08 - 15 8.74 - 17.3 ND - 3.46 Lead µg/L Dissolved 11.8 - 120 3.69 - 185 ND - 6.82 ND - 0.632 ND - 1.62 ND - 0.95 ND Lead µg/L Total 292 - 3020 460 - 1560 1.33 - 9.06 0.87 - 4.23 ND - 0.868 ND - 1.72 ND - 1.16 Mercury µg/L Dissolved ND - 0.235 ND - 0.279 ND ND ND ND ND - 0.131 Mercury µg/L Total 0.994 - 8.19 1 - 3.92 ND ND ND ND ND - 0.103 Zinc µg/L Dissolved 16.9 - 244 26.6- 1550 35.7 - 101 20.6 - 165 19.5 - 106 21.2 - 46 ND - 14 Zinc µg/L Total 957 - 3220 1170-2790 64 - 141 18.5 - 195 12.2 - 92.5 11.4 - 57 ND - 39.3 Other Constituents MBAS (Surfactants) mg/L N/A 0.48 - 1.7 0.86 - 1.7 -- -- -- -- ND

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Monitoring Station2

Constituent Units1 Fraction M-SW-01 M-SW-02 M-LS-01 M-LS-02 M-LS-03 M-LS-04 M-MW-01

Oil and Grease mg/L N/A 29 - 390 17 - 170 -- -- -- -- ND - 2.4 Perchlorate µg/L N/A ND - 120 ND - 170 12 - 140 14 - 54 ND - 39 10 - 85 ND Volatile Organic Compounds Methyl-t-Butyl Ether (MtBE) µg/L N/A ND - 1.3 ND - 1.7 ND - 33 ND - 26 ND - 38 ND - 2.9 ND Benzene µg/L N/A ND - 0.83 ND - 2.3 ND - 0.65 ND - 2.3 ND - 0.7 ND ND Toluene µg/L N/A ND - 5.8 ND - 25 ND - 13 ND - 5.8 ND - 3 ND ND Ethylbenzene µg/L N/A ND - 2 ND - 7.1 ND - 4.3 ND - 0.7 ND - 0.93 ND ND o-Xylene µg/L N/A ND - 3.8 ND - 11 ND - 8.1 ND - 1.5 ND - 2.9 ND ND p/m-Xylene µg/L N/A ND - 8.6 ND - 28 ND - 19 ND - 2.7 ND - 3.7 ND ND Tetrachloroethylene (PCE) µg/L N/A ND ND ND - 0.92 ND ND - 1.1 ND ND 1,1,2,2-Tetrachloroethane µg/L N/A ND ND ND ND - 0.55 ND ND ND 1,2,4-Trimethylbenzene µg/L N/A ND - 4.3 ND - 10 ND - 4 ND - 1.5 ND - 0.83 ND ND 1,3,5-Trimethylbenzene µg/L N/A ND - 1.1 ND - 2.8 ND - 1.3 ND ND ND ND 2-Butanone (Methylethyl ketone) µg/L N/A 5.2 - 14 5.4 - 32 ND ND - 11 ND - 1.3 ND ND

2-Hexanone µg/L N/A ND ND - 1.1 ND ND ND ND ND 4-Methyl-2-pentanone (MIBK) µg/L N/A ND - 4 ND - 21 ND ND ND - 10 ND ND Acetone µg/L N/A 20 - 79 19 - 190 ND - 4.4 ND - 34 ND - 37 ND - 16 ND Carbon disulfide µg/L N/A ND ND ND - 6.9 ND - 3.5 ND - 2 ND - 0.57 ND - 1.7 Dichlorodifluoromethane µg/L N/A ND - 4.1 ND - 3.8 ND ND ND ND ND Diethyl Ether µg/L N/A ND ND - 1.1 ND ND - 1.7 ND ND ND Ethanol µg/L N/A 160 - 1200 120-22000 ND ND - 3200 ND ND ND Methyl Chloride µg/L N/A ND ND ND ND ND ND ND - 0.62 Methyl Methacrylate µg/L N/A ND - 3.9 ND - 2.3 ND ND ND ND ND Methylene Chloride µg/L N/A ND - 0.52 ND - 0.55 ND ND - 1.1 ND - 0.54 ND - 1.3 ND - 0.67 Naphthalene µg/L N/A ND - 1.7 0.51 - 8.6 ND ND ND ND ND n-Propylbenzene µg/L N/A ND ND - 1.1 ND - 0.69 ND ND ND ND Styrene µg/L N/A ND - 1.3 ND - 1.5 ND ND ND ND ND Tert-Butyl Alcohol (TBA) µg/L N/A ND - 15 ND - 22 ND - 11 ND - 17 ND - 24 ND ND

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Monitoring Station2

Constituent Units1 Fraction M-SW-01 M-SW-02 M-LS-01 M-LS-02 M-LS-03 M-LS-04 M-MW-01

Tetrahydrofuran µg/L N/A ND ND - 11 ND ND ND - 3.6 ND ND Trichlorofluoromethane µg/L N/A ND - 4.2 ND - 28 ND - 1 ND - 1.8 ND - 1.4 ND - 0.7 ND Semi-Volatile Organic Compounds 4-Methylphenol (p-Cresol) µg/L N/A ND - 11 ND - 24 -- -- -- -- ND 4-Nitrophenol µg/L N/A ND - 11 ND - 19 -- -- -- -- ND Benzoic acid µg/L N/A ND - 770 ND - 560 -- -- -- -- ND Benzyl alcohol µg/L N/A ND ND - 40 -- -- -- -- ND Bis(2-Ethylhexyl) Phthalate µg/L N/A ND - 72 23 - 26 -- -- -- -- ND Butyl Benzyl Phthalate µg/L N/A ND - 15 ND - 11 -- -- -- -- ND Dimethyl Phthalate µg/L N/A ND - 11 ND -- -- -- -- ND Isophorone µg/L N/A ND - 31 ND -- -- -- -- ND Phenol µg/L N/A ND - 19 ND - 62 -- -- -- -- ND Biological Parameters Total Coliforms MPN/100mL N/A 2400 270 20 ND ND ND ND Fecal Coliform MPN/100mL N/A 230 40 ND ND ND ND ND E. coli MPN/100mL N/A 310 10 ND ND ND ND ND 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Table 8. Summary Results - Sun Valley

Monitoring Station2

Constituent Units1 Fraction S-SW-01 S-SW-02 S-SW-03 S-LS-01 S-LS-02 S-LS-03 S-LS-04 S-LS-05 EV-10

General Monitoring Parameters

Nitrate (as N) mg/L N/A ND-0.62 ND-0.63 ND-1.8 0.98-15 1-17 1.9-22 0.43-36 ND-7.5 1.7-2.1 Total Kjeldahl Nitrogen mg/L N/A 0.7-3.6 1.4-11 1.5-13 ND-1.4 ND-0.84 0.42-1.1 ND-0.56 ND-6.7 ND-0.14 Ammonia-Nitrogen mg/L N/A ND-0.7 0.21-1.8 0.28-1.2 ND-0.64 ND ND ND-0.28 ND-0.28 ND

Total Dissolved Solids mg/L N/A 44-94 48-420 76-460 340-920 610-2200 350-1000 310-1300 590-4500 400-430

Total Suspended Solids mg/L N/A 9.5-290 41-930 31-780 -- -- -- -- -- ND-14 Chemical Oxygen Demand mg/L N/A 13-170 48-730 71-900 ND-53 ND-20 ND-180 ND-18 5-180 ND-5.1 Chloride mg/L N/A ND-2.7 ND-21 3.5-18 10-28 9.1-38 ND-30 ND-35 9.7-81 25-26

Metals

Aluminum µg/L Dissolved ND ND-97.3 ND-198 ND ND ND ND ND ND

Aluminum µg/L Total 84.5-2530 514-3660 406-6570 ND ND-50.3 ND ND ND ND

Arsenic µg/L Dissolved ND-1.05 ND-11.6 1.1-9.93 1.08-15.7 1.7-11.4 ND-5.16 0.765-6.97 0.91-31.2 ND-

0.879

Arsenic µg/L Total ND-1.65 0.809-13.9 1.44-13 0.941-

13.3 1.93-13.4 ND-6.65 1.09-7.79 0.97-30.6 ND-

0.949

Cadmium µg/L Dissolved ND-0.244

ND-0.764

ND-0.614

ND-0.272

ND-0.501 ND ND-0.23 ND-

0.586 ND

Cadmium µg/L Total ND-1.41 0.474-1.93

0.238-2.74

ND-0.365

ND-0.318

ND-0.218

ND-0.293

ND-0.672 ND

Chromium, Hexavalent µg/L Dissolved ND-0.48 ND-0.98 0.37-1.3 ND-15 ND-31 11-26 1.3-11 ND-1 0.23-0.62

Copper µg/L Dissolved 6.54-13.5 7.35-43.7 11.3-23.3 1.78-8.76 ND-7.77 1.14-8.2 2.47-41.5 ND-5.19 1.03-2.67

Copper µg/L Total 8.63-42.2 19.3-83.5 19.2-86.2 2.01-13.8 1.03-8.23 2.35-8.98 3-33.7 1.24-5.99 4-5.25

Lead µg/L Dissolved ND-0.603 ND-6.09 ND-58.2 ND-

0.592 ND ND-0.608 ND-1.68 ND-

0.838 ND

Lead µg/L Total 3.66-63.6 19.4-108 10.6-956 ND-5.46 ND-4.48 ND-1.51 ND-1.48 0.582-3.57

0.652-1.35

Mercury µg/L Dissolved ND ND-0.168

ND-0.192 ND ND ND ND ND ND

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Monitoring Station2

Constituent Units1 Fraction S-SW-01 S-SW-02 S-SW-03 S-LS-01 S-LS-02 S-LS-03 S-LS-04 S-LS-05 EV-10

Mercury µg/L Total ND-0.181

ND-0.929 ND-1.27 ND ND ND ND ND ND

Zinc µg/L Dissolved 23.4-74 38.5-174 43.6-350 ND-26.7 9.4-62.7 ND-20.2 18.7-49.9 7.37-28.6 14.2-61.6

Zinc µg/L Total 98.4-284 99-387 83.2-669 ND-46.2 12-128 8.37-59.8 17.7-89.3 10.2-95.2 40.8-67.9

Other Constituents

MBAS (Surfactants) mg/L N/A 0.24-0.42 0.32-4.1 0.32-3.9 -- -- -- -- -- ND Oil and Grease mg/L N/A ND-5.7 2.2-48 2-54 -- -- -- -- -- ND Perchlorate µg/L N/A ND ND-6.1 ND-6.5 ND-5.2 ND-1.9 ND-7.2 ND-4.2 ND-0.74 ND

Volatile Organic Compounds

Methyl-t-Butyl Ether (MtBE) µg/L N/A ND ND ND ND ND-7.3 ND ND-1.3 ND ND Toluene µg/L N/A ND ND-0.59 ND-11 ND ND ND ND ND ND Trichloroethylene (TCE) µg/L N/A ND ND ND ND ND ND ND ND 1.2-8.4 Tetrachloroethylene (PCE) µg/L N/A ND ND ND ND ND ND ND ND 2.6-4.9 1,1,1-Trichloroethane µg/L N/A ND ND ND 2-18 2.2-17 3.6-18 3.3-17 ND-1.6 ND 1,1-Dichloroethane µg/L N/A ND ND ND ND-1.6 ND-2.1 ND-1.4 ND-1.3 ND 0.96-3.6 1,1-Dichloroethylene µg/L N/A ND ND ND ND-3.7 ND-4.4 0.59-4.1 ND-4.4 ND-0.61 ND 1,2-Dichloroethane µg/L N/A ND ND ND ND ND ND ND ND ND-0.64 1,4-Dichlorobenzene µg/L N/A ND ND-4.7 ND-1.3 ND ND ND ND ND ND 2,2-Dichloropropane µg/L N/A ND ND ND ND ND ND-0.97 ND ND ND 2-Butanone (Methylethyl ketone) µg/L N/A ND-3.7 1.7-6.1 1-12 ND ND-1.2 ND ND ND-670 ND 2-Hexanone µg/L N/A ND ND ND ND ND ND ND ND-11 ND 4-Methyl-2-pentanone (MIBK) µg/L N/A ND ND-7.2 ND-64 ND ND ND ND ND ND Acetone µg/L N/A 4-40 16-70 12-130 ND-7.3 6.4-30 ND-4.4 ND-5.5 35-2200 ND-2.5 Carbon disulfide µg/L N/A ND ND ND ND-54 ND-10 ND-76 ND-2.2 ND-1.8 ND Chloroform µg/L N/A ND ND ND ND-0.62 ND ND ND ND-2.1 ND Dichlorodifluoromethane µg/L N/A ND ND ND ND ND ND ND ND 4.1-5.8 Diethyl Ether µg/L N/A ND ND-0.94 ND-0.78 ND ND ND ND ND ND Ethanol µg/L N/A ND-290 130-1900 ND-840 ND ND ND ND ND ND

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Monitoring Station2

Constituent Units1 Fraction S-SW-01 S-SW-02 S-SW-03 S-LS-01 S-LS-02 S-LS-03 S-LS-04 S-LS-05 EV-10

Methyl Chloride µg/L N/A ND-0.56 ND ND ND ND ND ND ND ND Methylene Chloride µg/L N/A ND ND-1.3 ND ND ND ND ND ND-47 0.73-0.81 Tert-Butyl Alcohol (TBA) µg/L N/A ND ND ND ND-24 ND-23 ND ND-54 ND-10 ND Trichlorofluoromethane µg/L N/A ND ND ND ND ND ND ND ND 0.75-1.1

Semi-Volatile Organic Compounds

2-Methylphenol (o-Cresol) µg/L N/A ND ND-12 ND-19 -- -- -- -- -- ND Benzoic acid µg/L N/A ND ND 150-280 -- -- -- -- -- ND Benzyl alcohol µg/L N/A ND ND ND-12 -- -- -- -- -- ND Bis(2-Ethylhexyl) Phthalate µg/L N/A ND ND 13-32 -- -- -- -- -- ND Butyl Benzyl Phthalate µg/L N/A ND ND ND-10 -- -- -- -- -- ND Diethyl Phthalate µg/L N/A ND ND-12 18-21 -- -- -- -- -- ND Di-n-Butyl Phthalate µg/L N/A ND ND ND-16 -- -- -- -- -- ND

Biological Parameters

Total Coliforms MPN/100mL N/A 2300 > 160000 > 160000 ND ND ND -- -- -- Fecal Coliform MPN/100mL N/A 2300 90000 160000 ND ND ND -- -- -- E. coli MPN/100mL N/A 5040 73800 18500 ND ND ND -- -- -- 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Table 9. Summary Results - Veterans Park Monitoring Station2

Constituent Units1 Fraction V-SW-01 V-SW-02 V-LS-01 V-LS-02 V-MW-01 V-MW-02 V-MW-03 V-MW-04

General Monitoring Parameters

Nitrate (as N) mg/L N/A 0.11 - 0.95 ND - 1.9 ND - 4.4 ND - 8.9 2.1 - 4.7 0.56 - 3.9 1.8 - 6 7.8 - 44

Total Kjeldahl Nitrogen mg/L N/A 2.5 - 10 4.2 - 6.6 ND - 1.4 0.56 - 3.4 0.42 - 1.1 ND - 1.3 ND - 0.98 0.7 - 2.5 Ammonia-Nitrogen mg/L N/A 0.6 - 1.6 0.21 - 1.8 ND - 0.56 ND - 0.56 ND ND ND ND

Total Dissolved Solids mg/L N/A 20 - 290 130 - 470 610 - 2700 1640 - 4000

4200 - 7590

1020 - 2900

1200 - 2100

1970 - 6600

Total Suspended Solids mg/L N/A 20 - 390 42 - 210 -- -- 3 - 43 ND - 54 ND - 110 ND - 230 Chemical Oxygen Demand mg/L N/A 53 - 530 150 - 690 ND - 160 41 - 250 61 - 110 ND - 75 ND - 94 15 - 160

Chloride mg/L N/A 1.6 - 26 5.2 - 31 12 - 240 82 - 440 1000 - 1700 64 - 290 100 - 180 230 - 1400

Metals

Aluminum µg/L Dissolved ND - 67.7 ND - 120 ND ND ND - 65.3 ND ND - 141 ND - 218

Aluminum µg/L Total 302 - 2140

491 - 2740 ND ND 96.4 - 612 ND - 805 ND - 1440 ND - 2440

Arsenic µg/L Dissolved ND - 1.03 ND - 1.94 15.8 - 29 4.7 - 8.16 2.41 - 21.6 1.87 - 10.6 1.45 - 5.83 5.17 - 17.7

Arsenic µg/L Total ND - 1.79 0.584 -2.54 15.3 - 29.3 4.55 - 9.28 3.6 - 22.5 1.95 - 12.1 1.89 - 6.03 5.1 - 17.5

Cadmium µg/L Dissolved ND ND-0.316 0.23 - 0.401 ND- 0.306 ND- 0.361 ND ND ND Cadmium µg/L Total ND-0.513 ND-0.608 0.247-0.435 ND- 0.364 ND- 0.363 ND ND ND Chromium, Hexavalent µg/L Dissolved ND - 0.67 0.29 - 1.4 ND - 1.3 ND ND - 0.27 0.26 - 2.9 ND - 2.7 ND - 0.52 Copper µg/L Dissolved 7.37 -24.1 8.77 -33.8 3.26 - 6.49 9.03 - 20.7 2.93 - 7.25 1.37 - 28.5 1.79 - 3.57 3.54 - 200 Copper µg/L Total 11.4 -45.9 23 - 52.3 3.18 - 7.76 9.41 - 23.6 2.72 - 7.73 1.68 - 53.5 2.13 - 5.39 4.18 - 228 Lead µg/L Dissolved ND - 3.41 0.954- 3.3 ND - 0.631 ND ND ND ND ND- 0.536 Lead µg/L Total 3.96 -27.8 4.59 -22.6 ND - 0.816 ND ND -0.682 ND - 1.45 ND - 1.89 ND - 2.4 Mercury µg/L Dissolved ND -0.11 ND-0.117 ND - 0.119 ND ND ND- 0.105 ND- 0.164 ND- 0.149 Mercury µg/L Total ND-0.138 ND-0.161 ND - 0.113 ND ND ND -0.195 ND - 0.2 ND - 0.16 Zinc µg/L Dissolved 38.2 - 114 34.5 - 207 ND - 30.5 ND - 36.3 ND - 38.4 ND - 30.3 ND - 11.4 ND - 59.7 Zinc µg/L Total 59.4 - 221 73.5 - 157 ND - 72 13.1 - 36.7 ND - 80.4 ND - 25.9 ND - 59.1 ND - 66

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Monitoring Station2

Constituent Units1 Fraction V-SW-01 V-SW-02 V-LS-01 V-LS-02 V-MW-01 V-MW-02 V-MW-03 V-MW-04

Other Constituents MBAS (Surfactants) mg/L N/A 0.24 - 1.1 0.11- 0.77 -- -- ND - 0.73 ND - 0.16 ND - 0.15 ND - 0.63 Oil and Grease mg/L N/A 1.5 - 15 2.1 - 6.1 -- -- ND - 1.6 ND - 3.5 ND - 7.4 ND - 19.6 Perchlorate µg/L N/A ND ND ND ND - 5.8 ND - 9 ND - 0.87 ND - 4.5 ND - 8.3 Glyphosate µg/L N/A ND - 16.2 ND ND ND ND ND ND ND Volatile Organic Compounds 2-Butanone (Methylethyl ketone) µg/L N/A ND - 2.9 ND - 4.3 ND ND ND ND ND ND Acetone µg/L N/A 5.8 - 19 2.6 - 18 ND - 2.5 ND ND ND - 2.7 ND ND - 4.1 Chloroform µg/L N/A ND ND ND - 1.7 ND - 0.95 ND ND - 0.74 ND - 0.61 ND Dibromochloromethane µg/L N/A ND ND - 0.69 ND ND ND ND ND ND Dichlorobromomethane µg/L N/A ND ND - 0.51 ND ND ND ND ND ND Diethyl Ether µg/L N/A ND - 0.97 ND - 0.71 ND ND ND ND ND ND Ethanol µg/L N/A ND ND - 250 ND ND ND ND ND ND Methyl Chloride µg/L N/A ND ND ND - 0.6 ND - 0.72 ND ND ND ND Methylene Chloride µg/L N/A ND ND ND ND ND - 0.64 ND - 0.73 ND - 0.65 ND - 0.63 Semi-Volatile Organic Compounds Bis(2-Ethylhexyl) Phthalate µg/L N/A ND - 18 ND - 20 -- -- ND ND ND ND

Biological Parameters

Total Coliforms MPN/100mL N/A 30000 30000 ND ND ND ND ND -- Fecal Coliform MPN/100mL N/A ND 700 ND ND ND ND ND -- E. coli MPN/100mL N/A 200 100 ND ND ND ND ND -- 1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, MPN/100 mL = most probable number per 100 milliliters. 2. "--" indicates the constituent was not analyzed. Analytes not detected are indicated by ND.

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Figure 1. Monitoring Site Locations

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Broadous School play yard, Pacoima IMAX site, Santa Monica

Hall House front yard, Los Angeles Metal Recycler detention basin, Los Angeles

Sun Valley recycling facility detention basin Veterans Park parking lot, Long Beach

Figure 2. Monitoring Sites

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Figure 3. Annual Rainfall by Monitoring Site

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Figure 4. Depth Concentrations for Chloride - Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 200 400 600 800 1000 1200 1400 1600

Dep

th (f

eet

bgs)

Chloride Concentration (mg/L)

V-SW-01 V-SW-02 V-LS-01 V-LS-02 V-MW-01 V-MW-02

V-MW-03 V-MW-04 V-LS-01 V-LS-02 V-MW-02 V-MW-04

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Figure 5. Chloride Concentrations Over Time - Veterans Park

0

200

400

600

800

1000

1200

1400

1600

1800

2000

6/1/2003 12/18/2003 7/5/2004 1/21/2005 8/9/2005 2/25/2006 9/13/2006 4/1/2007 10/18/2007

Chl

orid

e Co

ncen

tratio

n (m

g/L)

Sample Date

V-LS-01 V-LS-02 V-MW-01 V-MW-02 V-MW-03 V-MW-04

V-SW-01 V-SW-02 V-LS-01 V-LS-02 V-MW-02 V-MW-4

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Figure 6. WAS Project Timeline

Phase I Monitoring Plan

Pilot Study Funding: Agency

Partners

Phase II Assess WQ Impacts

Funding: Agency Partners, Prop 13,

CalFed

Phase III Regional Assessment, Neighborhood Demo

Funding: USBR, Local Agencies, CalFed

Regional

Implementation

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

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Appendix A. Site Location Maps

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Appendix B. Analytical Suite

Lab Surface Lysimeter

Constituent Detect Limit Method & GW List Soils General: Alkalinity 1 mg/L SM2320B Y N Y Bicarbonate 1 mg/L SM2320B Y N Y Bromide 0.1 mg/L EPA 300 Y Y Y Calcium 0.1 mg/L EPA 200.7 Y N Y Carbonate 1 mg/L SM2320B Y N Y Chloride 1 mg/L EPA 300.0 Y Y Y COD 5 mg/L EPA 410.4 Y Y Y Fluoride 0.1 mg/L EPA 340.2 Y N Y Hardness 2 mg/L EPA 130.2 Y N N Hydroxide 1 mg/L SM2320B Y N Y Magnesium 0.1 mg/L EPA 200.7 Y N Y MBAS 0.1 mg/L EPA 425.1 Y N Y Nitrate as N 0.1 mg/L EPA 300 Y Y Y Nitrite as N 0.1 mg/L EPA 300 Y Y Y Total Organic Carbon 0.5 mg/L EPA 415.1 Y Y Y Dissolved Organic Carbon 0.5 mg/L EPA 415.1 Y N N Organic N 0.5 mg/L SM4500NorgE Y Y Y NH3 0.1 mg/L EPA 350.2 Y Y Y pH na EPA 150.1 Y field Y Phosphorous - total 0.03 mg/L EPA 365.3 Y Y Y Phosphorous - dissolved 0.03 mg/L EPA 365.3 Y N N Potassium 0.5 mg/L EPA 200.7 Y N Y Sodium 0.5 mg/L EPA 200.7 Y N Y Specific Conductance 4 umho/cm EPA 120.1 Y field N Sulfate 1 mg/L EPA 300 Y Y Y TDS 1 mg/L EPA 160.1 Y Y N TSS 1 mg/L EPA 160.2 Y N N Turbidity 0.05 NTU EPA 180.1 Y N N Metals (total & dissolved) total Aluminum 50 µg/L EPA 200.8 Y Y Y Antimony 1 µg/L EPA 200.8 Y Y Y Arsenic 2 µg/L EPA 200.8 Y Y Y Barium 1 µg/L EPA 200.8 Y Y Y Beryllium 1 µg/L EPA 200.8 Y Y Y Boron 50 µg/L EPA 200.8 Y Y Y Cadmium 0.2 µg/L EPA 200.8 Y Y Y Chromium 1 µg/L EPA 200.8 Y Y Y Chromium VI 0.2 µg/L EPA 218.6 Y Y Y Cobalt 1 µg/L EPA 200.8 Y Y Y Copper 1 µg/L EPA 200.8 Y Y Y Iron 100 µg/L EPA 200.8 Y Y Y Lead 0.5 µg/L EPA 200.8 Y Y Y

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Lab Surface Lysimeter Constituent Detect Limit Method & GW List Soils Manganese 1 µg/L EPA 200.8 Y Y Y Mercury 0.1 µg/L EPA 7470.A Y N Y Molybdenum 1 µg/L EPA 200.8 Y Y Y Nickel 1 µg/L EPA 200.8 Y Y Y Selenium 1 µg/L EPA 200.8 Y Y Y Silver 1 µg/L EPA 200.8 Y Y Y Thallium 1 µg/L EPA 200.8 Y Y Y Zinc 5 µg/L EPA 200.8 Y Y Y Volatile Organic Compounds (full suite)

Y Y EPA 8260

Methyl Bromide 0.5 µg/L EPA 524.2 inc inc inc BTEX 0.5 µg/L EPA 524.2 inc inc inc MtBE 1 µg/L EPA 524.2 inc inc inc DIPE 2 µg/L EPA 524.2 inc inc inc ETBE 2 µg/L EPA 524.2 inc inc inc TAME 2 µg/L EPA 524.2 inc inc inc TBA 10 µg/L EPA 524.2 inc inc inc Ethanol 100 µg/L EPA 524.2 inc inc inc TCE 0.5 µg/L EPA 524.2 inc inc inc PCE 0.5 µg/L EPA 524.2 inc inc inc Disinfection Byproducts (THMs) 0.5 µg/L EPA 524.2 inc inc inc 1,2,3-TCP 0.005 µg/L GC/MS Isotope

Dilution Y (1 time) N Inc

Trip blanks N/A upon request Other Oil and Grease 1 mg/L EPA 1664 Y Y Y Perchlorate 2 µg/L EPA 314 Y N Y Semi-volatile Organics (full suite) 5-50 µg/L EPA 625/8270C Y N Y NDMA .002 µg/L EPA 1625mod Y N N Round-up (Glyphosate) 10 µg/L EPA 547 Y N Y 1,4 Dioxane 2µg/L GC/MS Isotope

Dilution Y N N

DBCP 0.02 µg/L EPA 504.1 Y N Y (8260)Biological: HPC <1 CFU/mL SMEWW 20th Y Y Y Total coliforms 1.1 MPN/100ml SMEWW 20th Y Y Y Fecal coliform 1.1 MPN/100ml SMEWW 20th Y Y Y E. coli 1.1 MPN/100ml SMEWW 19th Y Y Y

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March 2008 TABLE C-1

STORMWATER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 1 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study Phase II Monitoring Report Update

Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 45.6 18 100 36 28 22 36 26 12Bicarbonate (as CaCO3) mg/L N/A 55.6 18 100 36 28 22 36 26 12Bromide mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Calcium mg/L Total 20 6.7 38.8 7.28 8.15 14.9 14.8 10.3 4.7Carbonate (as CaCO ) mg/L N/A <2 <1 <1 <1 <1 <1 <1 <1 <1Carbonate (as CaCO3) mg/L N/A <2 <1 <1 <1 <1 <1 <1 <1 <1Chloride mg/L N/A 2.17 5 72 5.1 9.3 17 6.8 8.7 2Chemical Oxygen Demand mg/L N/A 71.67 69 200 36 54 120 220 38 23Fluoride mg/L N/A 0.25 <0.1 0.51 0.14 <0.1 <0.1 <0.1 0.11 <0.1Hardness (as CaCO3) mg/L Total 80 26 150 36 30 42 58 56 14Hydroxide (as CaCO3) mg/L N/A <2 <1 <1 <1 <1 <1 <1 <1 <1Magnesium mg/L Total 7.29 1.03 14.3 2.37 2.98 4.03 4.26 1.95 1.20MBAS (Surfactants) mg/L N/A 0.076 0.16 0.18 0.13 <0.1 0.22 0.38 0.18 <0.1Nitrate (as N) mg/L N/A 0.508 0.14 0.14 <0.1 0.15 1 0.7 0.73 0.36Nitrite (as N) mg/L N/A <0.03 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- -- -- -- -- 4.1 6.2 1.3 1.1Carbon, Total Organic mg/L N/A 38.2 13 5.6 9 19 21 24 8.1 3.7Carbon, Dissolved Organic mg/L N/A -- 12 4.9 10 17 19 19 7.6 4.1Nitrogen, Organic mg/L N/A 7.48 1.3 4.1 <0.5 2 3.5 5.5 0.95 0.98Ammonia-Nitrogen mg/L Total 1.02 <0.1 0.28 <0.1 0.11 0.56 0.7 0.35 0.14o oge g/ o . . . . . . .7 . .pH pH units N/A 6.35 7.43 7.02 6.62 7.02 7.08 6.73 6.81 6.34Phosphorus mg/L Dissolved -- 0.41 0.37 0.15 0.74 0.32 0.49 0.42 0.11Phosphorus mg/L Total -- 0.53 0.41 0.44 0.78 0.46 0.64 0.56 0.3Potassium mg/L Total 15.2 7.68 12 2.18 5.67 7.33 6.77 4.07 2.08Sodium mg/L Total 10.5 4.76 61.8 7.01 11.5 10.3 6.89 8.18 2.46Specific Conductance µmhos/cm N/A 232 79 520 100 120 160 140 120 44Sulfate mg/L N/A 17.77 4.7 49 3.2 17 16 12 11 4Total Dissolved Solids mg/L N/A 162 43 330 73 83 100 110 69 48Total Suspended Solids mg/L N/A 151 38 38 16 12 200 26 34 51Turbidity NTU N/A 58.9 35 89 11 15 110 290 33 75

Metals3

Aluminum µg/L Dissolved -- 54 <50 <50 <50 <50 259 <25 <25Aluminum µg/L Total -- 1,620 1,170 337 396 2,460 6,500 783 1,250Antimony µg/L Dissolved -- -- <1 <1 <1 <1 1.01 <1 <1y µgAntimony µg/L Total -- -- 1.26 1.11 <1 <1 1.73 <1 2.5Arsenic µg/L Dissolved 5.82 <1 2.29 1.09 2.99 <0.5 1.67 0.806 <0.5Arsenic µg/L Total 6.62 1.82 3 <1 3.75 1.88 3.92 0.798 <0.5Barium µg/L Dissolved -- -- 33.9 10.5 8.43 9.1 10.8 10.4 4.17Barium µg/L Total -- -- 52.7 15.6 16.6 66.5 112 23.3 26.8

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STORMWATER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 2 of 151

Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

Beryllium µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- -- <1 <1 <1 <1 <1 <1 <1Boron µg/L Dissolved 323 78.8 336 63.5 143 61.7 69.4 73 <50Boron µg/L Total 362 77.1 348 143 162 76.8 81 117 <50Cadmium µg/L Dissolved -- <0.5 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2Cadmium µg/L Total <1 <0.5 <0.5 <0.5 <0.5 0.388 0.663 <0.2 <0.2Chromium µg/L Dissolved -- 1.29 <1 <1 <1 <1 2.3 1.02 1.9Chromium µg/L Total <10 4.25 3.75 1.06 1.11 4.74 15.8 2.17 3.62Chromium Hexavalent µg/L Dissolved <10 0 49 0 25 <0 2 <0 2 0 36 0 23 <0 2 <0 2Chromium, Hexavalent µg/L Dissolved <10 0.49 0.25 <0.2 <0.2 0.36 0.23 <0.2 <0.2Cobalt µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1Cobalt µg/L Total -- -- 1.34 <1 <1 2.75 5.55 <1 1.1Copper µg/L Dissolved 22.1 7.28 8.21 2.23 4.18 7.1 9.49 4.62 <1Copper µg/L Total 27.8 20 14 4.33 6.89 23.6 39.9 7.06 5.03Iron µg/L Dissolved -- -- -- -- -- 177 354 <100 <100Iron µg/L Total -- -- -- -- -- 3,900 9,630 1,090 1,900Lead µg/L Dissolved -- <0.5 <0.5 <0.5 <0.5 <0.5 1.22 <0.5 <0.5Lead µg/L Total <5 14.3 3.31 1.62 0.716 19.8 36.3 6.07 5.84Manganese µg/L Dissolved -- -- 3.31 <1 1.57 17.9 16.1 3.03 9.62Manganese µg/L Total -- -- 61.6 12 28.3 134 250 35.5 47.3Mercury µg/L Dissolved -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Mercury µg/L Total <1 <0.1 <0.1 <0.1 <0.1 <0.1 0.122 <0.1 <0.1Molybdenum µg/L Dissolved -- -- 4.76 1.24 1.33 2.32 2.49 1.63 <1Molybdenum µg/L Total -- -- 4.58 1.19 1.62 2.15 2.62 1.58 <1y µgNickel µg/L Dissolved 5.22 1.23 1.64 1.29 1.27 2.7 <2 <2 <2Nickel µg/L Total 6.06 4.27 3.68 <1 1.29 8.8 14 <2 2.4Selenium µg/L Dissolved -- <5 <5 <5 <5 <1 1.5 <1 <1Selenium µg/L Total -- <5 <5 <5 <5 <1 1.04 <1 <1Silver µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1Silver µg/L Total -- -- <1 <1 <1 <1 <1 <1 1.1Strontium µg/L Dissolved -- -- 243 52.6 35.7 54.5 60 51.6 17.4Strontium µg/L Total -- -- 249 55.6 53.9 87.2 107 56 23.4Thallium µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total -- -- <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1Tin µg/L Total -- -- <1 3.57 <1 <1 1.08 <1 <1Titanium µg/L Dissolved -- -- 3 1.04 2.46 3.19 17.5 4.47 4.24Titanium µg/L Total -- -- 64.2 17.2 23 141 427 59.4 92.8Vanadium µg/L Dissolved 3 6 1 75 2 81 3 59 5 69 2 46 <1Vanadium µg/L Dissolved -- -- 3.6 1.75 2.81 3.59 5.69 2.46 <1Vanadium µg/L Total -- -- 7.12 3.04 4.55 11.4 25.2 4.48 4.03Zinc µg/L Dissolved 369 60.9 37.7 7.54 7.87 21.3 24.4 11.9 9.38Zinc µg/L Total 369 58.8 58 19.3 14.1 116 178 38.3 34.4

Other Constituents

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Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

Oil and Grease mg/L N/A 1 <1 <1 <1 1.4 2.2 3.6 1.6 1.5Perchlorate µg/L N/A <4 <2 <2 <2 <2 5.2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <3,000 <2 <2 <10 <10 <10 <10 -- --Glyphosate µg/L N/A -- <6 <6 <6 <6 -- -- -- --1,4-Dioxane µg/L N/A -- <2 <2 <2 <2 -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.01 <0.02 <0.02 <0.02 <0.02 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5y µgMethyl-t-Butyl Ether (MTBE) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <1 <1 <1 <1Benzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 1 Dichloroethylene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- <1 <1 <1 <1 8.8 2.6 1.8 1.42-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- <0.5 <0.5 <0.5 <0.5 0.93 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

4-Methyl-2-pentanone (MIBK) µg/L N/A -- <2 <2 <2 <2 <2 <2 <2 <2Acetone µg/L N/A -- 5.4 3.5 <2 3.4 37 17 13 11Acrylonitrile µg/L N/A -- <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Carbon Tetrachloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.8 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- -- <2 <2 <2 <2Ethanol µg/L N/A -- -- -- -- -- <100 <100 <100 <100Ethyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- -- <2 <2 <2 <2y y ( ) µgHexachloro-1,3-Butadiene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.6Naphthalene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- -- <2 <2 <2 <2Tert Butyl Alcohol (TBA) µg/L N/A <10 <10 <10 <10Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- -- <10 <10 <10 <10tert-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- <1 <1 <1 <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Page 5 of 151

Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

Vinyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,4,5-Trichlorophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,4,6-Trichlorophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,4-Dichlorophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,4-Dimethylphenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,4-Dinitrophenol µg/L N/A -- <50 <50 <50 <50 <50 <50 -- --, p µg2,4-Dinitrotoluene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2,6-Dinitrotoluene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Chloronaphthalene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Chlorophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Methylnaphthalene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Methylphenol (o-Cresol) µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Nitroaniline µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --2-Nitrophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --3,3'-Dichlorobenzidine µg/L N/A -- <25 <25 <25 <25 <25 <25 -- --3-Nitroaniline µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- <50 <50 <50 <50 <50 <50 -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4-Chloro-3-Methylphenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4-Chloroaniline µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4 Chlorophenyl Phenyl Ether µg/L N/A <10 <10 <10 <10 <10 <104-Chlorophenyl-Phenyl Ether µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4-Methylphenol (p-Cresol) µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4-Nitroaniline µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --4-Nitrophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Acenaphthene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Acenaphthylene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Aniline µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Anthracene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Azobenzene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzidine µg/L N/A -- <50 <50 <50 <50 <50 <50 -- --Benzo (a) Anthracene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzo (a) Pyrene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzo (b) Fluoranthene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzo (g,h,i) Perylene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzo (k) Fluoranthene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Benzoic acid µg/L N/A -- <50 <50 <50 <50 <50 <50 -- --Benzyl alcohol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethyl) Ether µg/L N/A -- <25 <25 <25 <25 <25 <25 -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --

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Page 6 of 151

Sample Number / Date Sampled2

B-SW-01

Constituent Units1 Fraction 12/03/01 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/27/04 02/18/05

Bis(2-Ethylhexyl) Phthalate µg/L N/A 3.9 <10 <10 <10 <10 <10 20 -- --Butyl Benzyl Phthalate µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Chrysene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Dibenz (a,h) Anthracene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Dibenzofuran µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Diethyl Phthalate µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Dimethyl Phthalate µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Di-n-Butyl Phthalate µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Di n Octyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10Di-n-Octyl Phthalate µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Fluoranthene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Fluorene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Hexachlorobenzene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Hexachlorocyclopentadiene µg/L N/A -- <25 <25 <25 <25 <25 <25 -- --Hexachloroethane µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Isophorone µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Nitrobenzene µg/L N/A -- <25 <25 <25 <25 <25 <25 -- --N-Nitroso-di-n-propylamine µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --N-Nitrosodiphenylamino µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Pentachlorophenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Phenanthrene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Phenol µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --Pyrene µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --y µgPyridine µg/L N/A -- <10 <10 <10 <10 <10 <10 -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A >5,700 170,000 1,500,000 18,000 1,700,000 -- -- -- --Total Coliforms MPN/100mL N/A 35,000 3,000 2,100 1,300 5,000 -- -- -- --Fecal Coliform MPN/100mL N/A -- 80 80 170 5,000 -- -- -- --E. coli MPN/100mL N/A -- 20 80 170 1,300 -- -- -- --E. coli + Fecal Coliform MPN/100mL N/A 21 -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 7 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bromide mg/L N/A -- <0.1 <0.1 0.42 0.11 <0.1 -- 0.11 <0.1 <0.1 <0.1 <0.1 <0.1Calcium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --

B-LS-02

Carbonate (as CaCO3) mg/L N/AChloride mg/L N/A -- 160 93 70 100 37 -- 47 130 45 81 37 34Chemical Oxygen Demand mg/L N/A 247 -- -- -- <5 5 -- 20 36 13 18 15 120Fluoride mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Hardness (as CaCO3) mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- --Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Nitrate (as N) mg/L N/A 0.583 110 100 41 4 2.8 -- 2.4 3.5 2.4 2.5 2.5 5.7Nitrite (as N) mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- -- -- -- 0.7 <0.1 -- 1.1 0.28 <0.5 1.3 0.84 --Carbon, Total Organic mg/L N/A 14.4 -- -- -- 11 2.8 -- 5 5.3 8.5 10 6.6 4.9Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Nitrogen, Organic mg/L N/A 3.5 -- -- -- <0.5 <0.5 -- 1.1 <0.5 <0.5 1.3 0.84 --Ammonia-Nitrogen mg/L Total 0.14 -- -- -- 0.35 <0.2 -- <0.1 <0.2 <0.2 <0.13 <0.2 --pH pH units N/A -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Total -- -- -- -- 0.58 15 -- 0.32 1.4 0.54 0.39 0.66 4.9Potassium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- 1400 -- -- -- -- -- -- -- --Sulfate mg/L N/A -- 340 430 230 260 490 -- 110 140 97 130 78 54Total Dissolved Solids mg/L N/A 78 1,300 1,700 710 990 940 -- 720 810 490 617 -- 586Total Suspended Solids mg/L N/A 130 -- -- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/A 539 -- -- -- -- -- -- -- -- -- -- -- --

Metals3

Aluminum µg/L Dissolved -- <50 <50 <50 <50 <50 -- <25 <25 <25 <25 <25 <25Aluminum µg/L Total -- 54.4 <50 68.7 <50 <50 -- <25 <25 <25 <25 <25 <25Antimony µg/L Dissolved -- -- <1 <1 1.64 1.26 -- 1.61 <1 1.72 <1 <1 <1A ti /L T t l 2 36 1 1 85 1 26 1 37 1 2 12 1 1 1Antimony µg/L Total -- -- 2.36 <1 1.85 1.26 -- 1.37 <1 2.12 <1 <1 <1Arsenic µg/L Dissolved -- 5.63 2.68 2.18 11.3 8.03 -- 2.23 1.91 4.43 1.74 2.93 2.08Arsenic µg/L Total <5 7.92 3.92 3.14 12.3 7.66 -- 2.32 2.2 4.04 1.84 2.5 1.76Barium µg/L Dissolved -- -- 69.2 72.2 251 208 -- 168 247 116 195 190 255Barium µg/L Total -- -- 105 31.3 250 212 -- 182 256 136 200 176 263

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March 2008 TABLE C-2

LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 8 of 151

Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

B-LS-02

Beryllium µg/L Dissolved -- -- <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- -- <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Boron µg/L Dissolved -- 614 291 402 179 282 -- 267 368 203 304 288 197Boron µg/L Total -- 693 409 361 150 284 -- 306 364 194 329 271 198Cadmium µg/L Dissolved -- <0.5 <0.5 <0.5 0.215 <0.2 -- <0.2 <0.2 <0.2 0.789 0.207 <0.2Cadmium µg/L Total <1 1.21 32.8 <0.5 <0.2 <0.2 -- <0.2 <0.2 <0.2 0.866 <0.2 <0.2Chromium µg/L Dissolved -- <1 <1 <1 1.32 1.27 2.67 2.74 3.66 2.18 2.55 2.52 36.6Chromium µg/L Total <10 2.63 1.31 <1 2.05 1.56 -- 2.71 13.7 2.2 52.3 4.65 41.5Chromium, Hexavalent µg/L Dissolved <10 0.39 0.59 0.51 -- -- 0.62 1.1 0.8 1.2 0.71 3.3 40, µgCobalt µg/L Dissolved -- -- <1 <1 1.11 <1 -- <1 3.39 <1 4.29 <1 <1Cobalt µg/L Total -- -- <1 1.07 1.4 <1 -- <1 3.48 <1 4.56 <1 <1Copper µg/L Dissolved 33.2 11.3 5.83 66.9 4.11 2.68 -- 3.85 17.6 19 17 11.2 12.7Copper µg/L Total 13.6 25.9 10.3 220 3.37 2.85 -- 3.96 19 18 19 10.8 14.6Iron µg/L Dissolved -- -- -- -- <100 <100 -- <100 198 <100 221 129 214Iron µg/L Total -- -- -- -- 108 <100 -- <100 295 <100 675 148 357Lead µg/L Dissolved -- 0.54 <0.5 0.533 0.695 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total <5 6.44 <0.5 4.4 <0.5 <0.5 -- <0.5 0.84 0.634 0.501 <0.5 <0.5Manganese µg/L Dissolved -- -- 6.09 11.2 536 206 -- 55.4 43.1 8.06 258 9.07 36.4Manganese µg/L Total -- -- 9.25 32.2 625 186 -- 56.3 44.9 19.2 275 8.24 39Mercury µg/L Dissolved -- -- -- -- -- <0.1 -- -- -- <0.25 <0.1 <0.1 --Mercury µg/L Total <1 -- -- -- -- <0.1 -- -- -- <0.25 <0.1 <0.1 --Molybdenum µg/L Dissolved -- -- 6.39 7.04 60.1 54.3 -- 20.1 13.3 20.8 286 65 26.7Molybdenum µg/L Total -- -- 10.1 6.67 57.4 53.5 -- 21.2 14.1 22.2 294 66.5 28.5Nickel µg/L Dissolved 10 5 4 58 6 09 49 12 20 290 18 1700 68 73Nickel µg/L Dissolved -- 10.5 4.58 6.09 49 12 -- 20 290 18 1700 68 73Nickel µg/L Total <5 13.3 6.95 10.9 67 11 -- 20 290 76 1700 67 75Selenium µg/L Dissolved -- 6.57 <5 <5 4.98 5.73 -- 2.15 1.76 <1 <1 <1 <1Selenium µg/L Total -- 9.96 <5 <5 2.77 4.84 -- 2.46 1.85 1.44 <1 <1 1.72Silver µg/L Dissolved -- -- <1 <1 <1 <1 -- <1 1.87 3.21 3.61 2.21 <1Silver µg/L Total -- -- <1 <1 <1 <1 -- <1 4.55 9.11 45.1 9.42 2.57Strontium µg/L Dissolved -- -- 915 1,100 863 621 -- 478 810 387 590 515 591Strontium µg/L Total -- -- 1,440 473 910 629 -- 532 829 457 601 466 604Thallium µg/L Dissolved -- -- <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Thallium µg/L Total -- -- <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- -- <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Total -- -- 1,920 3.33 <1 <1 -- <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved -- -- 1.41 1.49 10 8.26 -- 5.45 6.89 3.89 3.17 3.56 3.02Titanium µg/L Total -- -- 2.2 7.18 10.3 8.61 -- 5.74 7.79 7.38 4.51 3.43 7.57Vanadium µg/L Dissolved -- -- 5.9 4.68 8.71 6.99 -- 2.77 2.93 2.74 1.49 2.4 5.4Vanadium µg/L Total -- -- 8.99 3.74 8.34 7.03 -- 2.97 2.77 2.97 1.59 2.02 5.19Zinc µg/L Dissolved -- 432 42.2 828 71.8 19.3 -- 8.87 22.7 6.91 21 10.8 32.9Zinc µg/L Total <50 602 53.1 2,060 25.2 19.3 -- 11.1 25.9 14.7 41.4 13.4 54.7

Other Constituents

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March 2008 TABLE C-2

LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 9 of 151

Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

B-LS-02

Oil and Grease mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Perchlorate µg/L N/A <4 -- -- -- -- -- <2 <2 <2 <2 <2 <2 0.3N-Nitrosodimethylamine (NDMA) ng/L N/A <3,000 -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.01 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <2 <2 <2

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl t Butyl Ether (MTBE) µg/L N/A <2 5 <1 <1 <1 <1 <1 <0 5 <0 5 <0 5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- <2.5 -- -- <1 <1 -- <1 <1 <1 <0.5 <0.5 <0.5Benzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5y1,1-Dichloropropene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.52 2-Dichloropropane µg/L N/A -- <2 5 -- -- <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 52,2-Dichloropropane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- 40 -- -- <1 <1 -- <1 <1 <1 <2 <2 <22-Chlorotoluene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <5 <5 <54-Chlorotoluene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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March 2008 TABLE C-2

LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 10 of 151

Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

B-LS-02

4-Methyl-2-pentanone (MIBK) µg/L N/A -- <10 -- -- <2 <2 -- <2 <2 <2 <5 <5 <5Acetone µg/L N/A -- <10 -- -- 600 <2 -- <2 <2 <2 <10 <10 <10Acrylonitrile µg/L N/A -- <10 -- -- <2 <2 -- <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- 5.6 -- -- 5.6 2.3 -- <0.5 <0.5 2.5 8.9 <0.5 <0.5Carbon Tetrachloride µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5µgChlorobenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- <2 <2 -- <2 <2 <2 <2 <2 <2Ethanol µg/L N/A -- -- -- -- <100 <100 -- <100 <100 <100 <50 <50 <50Ethyl Methacrylate µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- <2 <2 -- <2 <2 <2 <2 <2 <2Hexachloro 1 3 Butadiene µg/L N/A <2 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Hexachloro-1,3-Butadiene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <5 <5 <5Methylene Chloride µg/L N/A <0.5 <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 0.93 <2 <2 <2Naphthalene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- <2 <2 -- <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- 12 <10 -- <10 <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- 94 -- -- <1 <1 -- <1 <1 <1 <5 <5 <5trans-1,3-Dichloropropene µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A -- <2.5 -- -- <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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March 2008 TABLE C-2

LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 11 of 151

Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

B-LS-02

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2 6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --

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LYSIMETER ANALYTICAL RESULTS − BROADOUS SCHOOL

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Sample Number / Date Sampled2

B-LS-01

Constituent Units1 Fraction 12/04/01 11/10/02 12/23/02 03/21/03 02/04/04 02/26/04 04/03/04 10/20/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

B-LS-02

Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --µgFluorene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Pentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- -- -- 16,000 -- -- -- -- -- -- -- -- --Total Coliforms MPN/100 mL N/A 90,000 -- -- <1.1 -- -- -- -- -- -- -- -- --Fecal Coliform MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- --E. coli MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- --E. coli + Fecal Coliform MPN/100 mL N/A 300 -- -- -- -- -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Page 13 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 292 116 350 330 540 320 340 340 340 352 360.4 332 350 350 350 350 340 340 350 330Bicarbonate (as CaCO3) mg/L N/A 356 141 350 330 540 320 340 340 340 352 440 405 350 350 350 350 340 340 350 330Bromide mg/L N/A 0.12 0.073 0.13 <0.1 0.12 0.12 <0.1 -- 0.12 0.14 -- 0.11 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 <0.1 <0.1Calcium mg/L Total 84.2 130 140 140 126 130 137 131 140 132 176 128 137 144 154 144 94 128 126 130Carbonate (as CaCO3) mg/L N/A <2 0.578 <1 <1 <1 <1 <1 <1 <1 <1 <2 <2 <1 <1 <1 <1 <1 <1 <1 <1Chloride mg/L N/A 41.89 87 24 24 22 24 25 -- 24 26 28.28 27.6 23 22 24 22 19 19 20 20

N/A 32 37 5 5 1 10 5 5 5 1 5 5 5 51 3 120 5 46 49 10 5 13 5 23Chemical Oxygen Demand mg/L N/A 32.37 <5 5.1 <10 <5 <5 5.1 <5 <5 <5 51.3 120 <5 46 49 <10 5 13 <5 23Fluoride mg/L N/A 0.43 0.27 0.33 0.31 0.2 0.39 0.32 0.11 0.26 0.38 0.19 0.15 0.12 0.12 0.23 0.21 0.16 <0.1 0.28 0.23Hardness (as CaCO3) mg/L Total 328 485 470 470 460 470 480 470 450 500 520 470 460 470 530 460 460 450 460 450Hydroxide (as CaCO3) mg/L N/A <2 0.01 <1 <1 <1 <1 <1 <1 <1 <1 <2 <2 <1 <1 <1 <1 <1 <1 <1 <1Magnesium mg/L Total -- 39 41.9 39.8 39.1 36.9 40.7 37.8 36.6 37.5 19.4 36.5 37.1 40.8 45 37.4 26.9 35.1 32.9 35.5MBAS (Surfactants) mg/L N/A -- <0.05 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.05 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Nitrate (as N) mg/L N/A 6.59 0.3 8.4 7.6 7.8 8.4 8.1 -- 7.2 7.8 10.509 8.33 7.4 7.4 8.1 6.6 5.6 6.4 6.6 6.8Nitrite (as N) mg/L N/A <0.03 <0.2 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.03 <0.03 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- 0.34 -- 0.14 <0.1 <0.5 <0.5 <0.5 <0.5 0.56 -- -- -- -- -- 0.28 0.35 <0.1 <0.5 <0.5Carbon, Total Organic mg/L N/A 2.7 1.3 1.4 1.2 1.6 2.5 1.3 1.4 1.6 1.9 1.55 2.1 1.4 1.6 1.5 1.5 9.5 1.8 2.7 1.5Carbon, Dissolved Organic mg/L N/A -- -- 2.4 1.5 2.5 1.2 3.1 2.5 3.1 2.4 -- -- 2.5 3.4 1.3 1.7 10 2.7 1.2 2.9Nitrogen, Organic mg/L N/A 0.121 0.34 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.1 <0.1 <0.5 <0.5 0.65 <0.5 <0.5 <0.5 <0.5 <0.5Ammonia-Nitrogen mg/L Total <0.1 <0.05 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.14 <0.1 <0.1 <0.1 <0.1 0.33 <0.1 <0.1 <0.1 <0.1 <0.1pH pH units N/A 7.68 7.8 7.41 7.22 7.39 7.16 7.15 6.95 6.9 6.92 7.83 7.79 7.12 7.01 7.28 7.03 7.1 7.1 6.94 7.09Phosphorus mg/L Dissolved -- -- 0.11 0.079 0.066 0.068 0.089 0.11 0.11 0.6 -- -- 0.085 0.052 0.072 0.082 0.061 0.047 <0.03 0.27Phosphorus mg/L Total -- -- 0.11 0.2 0.087 0.6 0.25 0.39 0.73 0.94 -- -- 0.14 0.32 19 0.21 0.067 0.64 0.56 1.3P t i /L T t l 10 9 3 7 15 6 98 6 74 7 15 7 00 7 01 7 28 7 37 7 89 7 8 7 45 9 35 14 2 7 75 5 94 7 23 7 80 7 56Potassium mg/L Total 10 9.3 7.15 6.98 6.74 7.15 7.00 7.01 7.28 7.37 7.89 7.8 7.45 9.35 14.2 7.75 5.94 7.23 7.80 7.56Sodium mg/L Total 99 82 35.9 34.9 34 35.3 35.3 35.3 35.1 36.6 49.8 36.5 37.3 40.5 37.4 39 27.4 38.5 37.6 37.4Specific Conductance µmhos/cm N/A 1,045 775 980 920 990 940 880 940 890 930 1340 984 980 990 960 920 920 980 910 930Sulfate mg/L N/A 142 180 150 150 130 140 160 -- 140 150 157.72 124 140 140 140 150 140 140 130 130Total Dissolved Solids mg/L N/A 640 540 680 600 590 610 650 680 633 677 846 658 670 640 640 600 660 600 600 570Total Suspended Solids mg/L N/A 2,548 45 3.3 <1 <1 8.4 12 5.2 15 7.1 721 186 2.2 630 2,100 <1 110 3.9 1.4 33Turbidity NTU N/A 1,130 16 3.3 1.1 0.68 5.7 5.4 2.4 11 4.5 265 166 2.4 220 1,000 5.3 28 2.2 2.1 17

Metals3

Aluminum µg/L Dissolved -- <0.025 <50 <50 <50 <25 <25 <25 <25 <25 -- -- <50 <50 <50 <50 <50 <50 <25 <25Aluminum µg/L Total -- 5 67 <50 <50 89.4 176 87.4 274 232 -- -- 66.3 130 17,900 103 3,650 <50 <25 378Antimony µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Antimony µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Arsenic µg/L Dissolved <5 1 <1 <0.5 <0.5 <0.5 0.765 <0.5 <0.5 0.824 -- -- <1 <1 <1 <0.5 <0.5 <0.5 <0.5 <0.5Arsenic µg/L Total <5 3.5 <1 <0.5 <0.5 <0.5 0.955 <0.5 <0.5 <0.5 <5 <5 <1 <1 2.86 <0.5 0.613 <0.5 <0.5 <0.5Barium µg/L Dissolved -- 82 174 202 218 211 226 238 220 224 -- -- 255 216 255 249 263 236 241 240Barium µg/L Total -- 170 198 213 222 210 238 254 228 225 -- -- 243 252 608 248 314 258 241 255Beryllium µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Boron µg/L Dissolved -- 150 111 147 143 137 111 178 152 160 282 360 150 231 123 224 217 213 212 209Boron µg/L Total 156 190 110 148 144 135 121 185 161 166 328 405 176 234 180 225 218 211 205 208Cadmium µg/L Dissolved -- <0.5 <0.5 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 -- -- <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2 <0.2

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Page 14 of 151

Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

Cadmium µg/L Total <1 0.63 <0.5 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <1 <1 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2 <0.2Chromium µg/L Dissolved 21 <1 1.68 5.44 2.52 2.51 <1 1.39 1.32 <1 11.2 -- 1.08 <1 1.49 2.22 1.67 1.76 1.9 1.95Chromium µg/L Total 56.8 13 8.48 6.24 3.17 3.73 3.74 3.66 3.87 3.67 20.6 <10 4.06 14.3 38 5.19 13.6 2.22 2.61 3.76Chromium, Hexavalent µg/L Dissolved <10 0.1 1.7 1.6 1.7 1.5 1.2 1.1 1.2 1.2 <10 <10 0.79 1.1 0.92 0.72 0.85 0.91 0.55 0.65Cobalt µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Cobalt µg/L Total -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 1.35 18.7 <1 2.25 <1 <1 <1Copper µg/L Dissolved 5.27 2.6 4.17 1.36 <1 <1 <1 <1 1.02 <1 87 <5 5.14 1.26 4.01 1.46 1.2 <1 <1 <1Copper µg/L Total 73.1 14 4.77 1.42 <1 <1 <1 <1 2.44 1.28 87 14.3 4.56 9.51 31.6 1.89 5.02 <1 <1 1.06Iron µg/L Dissolved <0.1 <0.1 -- -- <100 <100 <100 <100 <100 432 -- -- -- -- -- -- 113 <100 <100 <100Iron µg/L Total 32.2 10 -- <100 <100 <100 233 108 306 484 -- -- -- -- -- 280 4,490 <100 <100 508Lead µg/L Dissolved <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 9.56 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total 34.7 6.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.17 <0.5 18 <5 <0.5 <0.5 30.4 0.777 2.21 <0.5 <0.5 0.599Manganese µg/L Dissolved 73 <2 3.43 3.41 <1 <1 1.28 1.06 8.47 1.41 -- -- 4.22 2.44 2.45 2.29 2.09 <1 1.4 <1Manganese µg/L Total 836 190 7.47 3.85 1.79 2.87 8.61 4.95 21.2 9.42 -- -- 5.73 6.98 725 5.54 79.2 1.31 1.6 13.3Mercury µg/L Dissolved -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 -- <0.1 <0.1 0.109 <0.1 <0.1 <0.1Mercury µg/L Total <1 <0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <1 <1 <0.1 <0.1 0.125 <0.1 0.228 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved -- -- 2.22 3.36 3.14 3.34 3.54 3.61 3.51 3.56 -- -- 2.21 1.31 1.62 1.36 1.76 1.48 1.53 1.53Molybdenum µg/L Total -- -- 4.39 3.47 3.23 3.42 3.45 3.37 3.66 3.58 -- -- 2.08 2.97 1.43 1.42 2.54 1.25 1.51 1.6Nickel µg/L Dissolved <5 <5 2.89 5.7 3.8 5 5.3 8.3 4.5 4.7 18.8 <5 2.44 1.95 5.96 4.7 6.9 4 4.5 3.9Nickel µg/L Total 34.7 13 4.7 5.6 3.8 5.1 4.8 6 5.1 4.9 22.2 6.02 2.8 8.5 29 5.2 12 3.3 4.9 4.2Selenium µg/L Dissolved -- -- <5 <1 <1 1.41 1.06 <1 <1 <1 -- -- <5 <5 <5 <1 <1 1.38 1.04 <1Selenium µg/L Total -- <5 <5 <1 <1 1.75 1.27 <1 1.08 <1 -- -- <5 <5 <5 <1 <1 1.69 1.1 <1Silver µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total -- <0.5 <1 <1 <1 1.22 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 3.04Strontium µg/L Dissolved -- -- 698 859 860 814 906 830 847 813 -- -- 897 867 870 928 953 948 858 876Strontium µg/L Total -- -- 811 882 868 813 951 914 853 864 -- -- 882 918 860 932 1,010 941 859 897Th lli /L Di l d <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Dissolved -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- -- <1 2.45 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Total -- -- <1 1.42 <1 <1 <1 <1 <1 <1 -- -- <1 <1 1.66 <1 <1 <1 <1 <1Titanium µg/L Dissolved -- -- <1 2.15 2.51 1.98 2.88 2.47 2.33 2.35 -- -- <1 <1 1.66 2.06 2.89 3.59 2.23 3.4Titanium µg/L Total -- -- 5.3 3.17 4.73 6 18.2 8.41 18.2 13.4 -- -- 5.42 8.69 541 8.97 205 5.75 4.28 36.6Vanadium µg/L Dissolved -- -- 2.15 3.65 2.22 2.18 3.86 3.74 3.14 4.43 -- -- 2.41 1.97 2.55 2.76 2.21 2.37 1.97 2.2Vanadium µg/L Total -- -- 2.82 3.77 2.14 2.02 4.58 4.31 3.27 4.15 -- -- 2.31 2.88 40.8 3.29 9.25 2.09 1.75 3.01Zinc µg/L Dissolved 412 46 42.8 19.9 6.54 13.6 <5 9.72 19.7 29.4 77.5 -- 52.8 27.3 39.3 21.4 17.4 6.51 34.3 <5Zinc µg/L Total 950 150 42.5 21.4 5.69 19.7 7.44 15.9 32.8 12.6 88.9 <50 41.6 76.8 157 25.6 28.5 6.51 41.9 <5

Other ConstituentsOil and Grease mg/L N/A 1.3 <3 <1 <1 <1 <1 <1 -- 1.5 <1 1.6 2.9 <1 <1 5.7 <1 <1 <1 <1 <1Perchlorate µg/L N/A <4 <4 <2 <2 <2 <2 <2 <2 <2 0.64 <4 <4 <2 <2 <2 <2 <2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <3,000 26 <2 <10 <10 -- -- -- -- -- <3,000 <3,000 <2 <2 <10 <10 <10 <10 -- --Glyphosate µg/L N/A -- -- <6 -- -- -- -- -- -- -- -- -- <6 -- <6 -- -- -- -- --1,4-Dioxane µg/L N/A -- -- <2 -- -- -- -- -- -- -- -- -- <2 <2 <2 -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP µg/L N/A <0.01 <0.01 <0.01 <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.01 <0.01 <0.01 <0.02 <0.02 <0.5 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- -- <0.5 <0.5 <1 <1 <1 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <1 <1 <1 <1Benzene µg/L N/A -- -- 2.3 0.95 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.6 <0.5 <0.5 0.87 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

Toluene µg/L N/A <0.5 <0.5 6.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 5.2 1.3 2.2 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- -- 1 1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 0.97 <0.5 1 1.1 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- -- 8.4 3.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 8.2 1.2 2.3 3.2 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- -- 5.7 3.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 5.2 2.1 4.1 3.8 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 2 1.1 0.68 0.64 0.64 <0.5 0.56 <0.5 <0.5 <0.5 1.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 44 2.4 2.1 2.6 2.3 1.5 2.3 2.4 <0.5 1.2 40 1.8 1.3 1.3 1.2 1.3 1.4 1.51,1,1,2-Tetrachloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 0.54 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- -- 0.8 1.1 1.1 1.1 1.2 0.91 1.1 0.81 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 3.3 4.7 4.6 4.2 5.2 3.6 4.2 4 1.3 -- 1.2 0.98 1.1 1.3 1.3 1.7 1.5 1.71,1-Dichloropropene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- -- 0.98 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1 <0.5 0.64 1 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- -- 1.1 0.61 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.3 <0.5 <0.5 0.55 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 4 Di hl b /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,4-Dichlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- -- <1 <2 <1 <1 1 <2 <2 <2 -- -- <1 <1 <1 <2 <1 <1 <1 <12-Chlorotoluene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- -- <0.5 <5 <0.5 <0.5 <0.5 <5 <5 <5 -- -- <0.5 <0.5 <0.5 <5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A -- -- <2 <5 <2 <2 <2 <5 <5 <5 -- -- <2 <2 <2 <5 <2 <2 <2 <2Acetone µg/L N/A -- -- <2 <10 <2 <2 26 <10 <10 <10 -- -- <2 <2 <2 <10 <2 <2 <2 <2Acrylonitrile µg/L N/A -- -- <2 <2 <2 <2 <2 <2 <2 <2 -- -- <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 3.8 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Chloroethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 5.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A -- -- <0.5 0.69 0.65 0.57 0.65 <0.5 0.71 0.51 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 11 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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March 2008 TABLE C-3

GROUNDWATER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 16 of 151

Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

Dichlorobromomethane µg/L N/A <0.5 8.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.6 J <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- -- <2 <2 <2 <2Ethanol µg/L N/A -- -- -- -- <100 <100 <100 <50 <50 <50 -- -- -- -- -- -- <100 <100 <100 <100Ethyl Methacrylate µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- -- <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- -- <0.5 <5 <0.5 <0.5 <0.5 <5 <5 <5 -- -- <0.5 <0.5 <0.5 <5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 -- <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A -- -- <10 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <0.5 1.1 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- -- <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- <10 <10 <10 <10 <10 <10 -- -- -- -- -- -- <10 <10 <10 <10tert-Butylbenzene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- -- <1 <5 <1 <1 <1 <5 <5 <5 -- -- <1 <1 <1 <5 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vi l Chl id /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Vinyl Chloride µg/L N/A -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,4,5-Trichlorophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,4,6-Trichlorophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dichlorophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dimethylphenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dinitrophenol µg/L N/A -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50 <50 <50 -- --2,4-Dinitrotoluene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2,6-Dinitrotoluene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Chloronaphthalene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Chlorophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Methylnaphthalene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Nitroaniline µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --2-Nitrophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --3,3'-Dichlorobenzidine µg/L N/A -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25 <25 <25 -- --3-Nitroaniline µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50 <50 <50 -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4-Chloro-3-Methylphenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --

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March 2008 TABLE C-3

GROUNDWATER ANALYTICAL RESULTS − BROADOUS SCHOOL

Page 17 of 151

Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

4-Chloroaniline µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4-Nitroaniline µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --4-Nitrophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Acenaphthene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Acenaphthylene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Aniline µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Anthracene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Azobenzene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzidine µg/L N/A -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50 <50 <50 -- --Benzo (a) Anthracene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (a) Pyrene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (b) Fluoranthene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (g,h,i) Perylene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (k) Fluoranthene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Benzoic acid µg/L N/A -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50 <50 <50 -- --Benzyl alcohol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25 <25 <25 -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A 4.8 0.7 150 <10 <10 -- -- -- -- -- 74.3 <3 <10 <10 <10 <10 <10 <10 -- --Butyl Benzyl Phthalate µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Chrysene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Dibenz (a,h) Anthracene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Dibenzofuran µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Di th l Phth l t /L N/A <10 <10 <10 <10 <10 <10 <10 <10 <10Diethyl Phthalate µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Dimethyl Phthalate µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Di-n-Butyl Phthalate µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Di-n-Octyl Phthalate µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Fluoranthene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Fluorene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Hexachlorobenzene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Hexachlorocyclopentadiene µg/L N/A -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25 <25 <25 -- --Hexachloroethane µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Isophorone µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Nitrobenzene µg/L N/A -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25 <25 <25 -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --N-Nitrosodiphenylamine µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Pentachlorophenol µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Phenanthrene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Phenol µg/L N/A -- <5 <10 <10 <10 -- -- -- -- -- -- <1 <10 <10 <10 <10 <10 <10 -- --Phenol µg/L N/A -- <5 <10 <10 <10 -- -- -- -- -- -- <1 <10 <10 <10 <10 <10 <10 -- --Pyrene µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --Pyridine µg/L N/A -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A >5,700 41,000 49,000 -- -- -- -- -- -- -- >5,700 >5,700 51,000 72,000 45,000 -- -- -- -- --

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Sample Number / Date Sampled2

B-MW-01 B-MW-02

Constituent Units1 Fraction 10/10/2001 1/2/2002 10/8/2002 10/7/2003 6/4/2004 10/15/2004 3/5/2005 10/6/2005 6/16/2006 6/15/2007 10/31/2001 12/5/2001 10/8/2002 11/12/2002 2/18/2003 10/7/2003 2/13/2004 6/4/2004 10/15/2004 12/30/2004

Total Coliforms MPN/100 m N/A 12 30,000 23 -- -- -- -- -- -- -- 17 11,000 2.2 <1.1 300 -- -- -- -- --Fecal Coliform MPN/100 m N/A -- -- 23 -- -- -- -- -- -- -- -- -- 1.1 <1.1 <1.1 -- -- -- -- --E. coli MPN/100 m N/A -- -- 6.9 -- -- -- -- -- -- -- -- -- <1.1 <1.1 <1.1 -- -- -- -- --E. coli + Fecal Coliform MPN/100 m N/A <2 25 -- -- -- -- -- -- -- -- <2 <2 -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/A

N/A

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

320 340 340 330 340 368 374320 340 340 330 340 368 374<0.1 0.15 <0.1 0.12 0.1 0.13 0.14131 134 137 134 142 146 149<1 <1 <1 <1 <1 <1 <121 21 26 25 25 34 385 1 5 5 18 5 5 5Chemical Oxygen Demand mg/L N/A

Fluoride mg/L N/AHardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalP t i /L T t l

5.1 5 <5 18 <5 <5 <50.19 <0.1 0.25 0.29 0.18 0.25 0.27460 470 470 450 460 520 540<1 <1 <1 <1 <1 <1 <1

35.5 35.5 36.8 35.6 34.8 39 39.5<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.16.3 6.7 8.8 7.1 8.4 13 14

<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.5 <0.5 <0.5 0.28 <0.5 <0.5 <0.51.5 1.5 1.8 1.6 1.5 3 2.13.3 2.4 2.2 3.2 2.5 4.8 3.3

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.1 <0.1 <0.1 0.28 <0.1 <0.1 0.147.1 6.71 6.81 6.96 6.89 7.06 6.56

0.074 0.17 0.14 0.19 0.12 0.055 0.740.34 0.89 0.48 0.59 0.53 0.086 0.747 31 7 86 8 08 7 93 7 91 8 5 8 39Potassium mg/L Total

Sodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L Total

7.31 7.86 8.08 7.93 7.91 8.5 8.3934.1 37.7 39.3 50.9 36.3 39.2 39.3880 930 920 990 890 970 1000140 150 150 140 120 140 160610 430 693 598 647 733 78013 25 2.2 3.8 5.8 5 4.95.6 9.5 4.5 5.1 6.9 4.2 5.3

<25 <25 <0.025 <25 <25 <25 73.8171 162 <0.025 176 171 190 278<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1

1.29 <0.5 0.958 0.912 <0.5 0.683 <0.51.1 <0.5 0.901 0.782 <0.5 <0.5 0.61248 281 259 246 261 256 257253 301 241 264 261 284 270

Beryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L Dissolved

<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1170 235 218 173 188 166 183178 245 193 184 204 170 196<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

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Constituent Units1 FractionCadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L Total

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2<1 <1 <1 1.75 1.12 <1 <1

1.14 6.45 <1 23.6 1.94 3.79 3.20.65 0.27 0.79 0.26 0.74 1.1 0.99<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 1.52 1.44 1.46 1.08 <1 1.26

<100 <100 392 290 <100 251 355208 329 488 652 251 456 592

Lead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalTh lli /L Di l d

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 1.68 1.06 1.68 1.37 0.866 1.42<1 1.1 <1 2.52 1 <1 1.27

4.83 6.28 1.57 5.51 5.05 4.36 6.18<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.11.23 1.86 1.58 4.21 1.58 1.4 1.551.35 1.89 1.6 4.77 1.56 1.77 1.57

3 9.2 4.8 17 3.8 4.3 4.73.4 8.8 4.9 12 4.7 3.4 5<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1950 1010 815 826 915 851 1030952 910 831 759 923 846 1040<1 <1 <1 <1 <1 <1 <1Thallium µg/L Dissolved

Thallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A

<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 2.41 <1 <1

2.74 2.95 1.9 2.09 2.53 1.73 3.0816.6 16.9 5.76 13 12.4 12.8 12.93.7 3.46 3.23 3 2.65 2.29 3.84

3.85 3.98 3.5 4.36 2.92 2.51 4.49<5 19.6 7.24 11 8.78 31.7 35.9<5 22.2 12.9 10.8 16.7 89.9 40

<1 -- <1 <1 <1 <1 <1<2 <2 <2 <2 <2 0.93 1.1-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

1,2-Dibromo-3-chloropropane (DBCP µg/L N/A

Volatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/A

<0.5 <2 <2 <2 <0.5 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 FractionToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51.5 1 1 1.2 1.6 1.1 1.1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1 4 Di hl b /L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51.7 1.1 1.6 1.3 1.5 1 0.99

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,4-Dichlorobenzene µg/L N/A

2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <5 <5 <5 <5 <5 <5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <5 <5 <5 <5 <5 <52.7 <10 <10 <10 <10 <10 <10<2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Chloroethane µg/L N/A

Chloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 1.2 1.1<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 FractionDichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/A

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

<0.5 <0.5 <0.5 <0.5 <0.5 0.56 0.56<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2

<100 <50 <50 <50 <50 <50 <50<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Methyl Chloride µg/L N/AMethyl Methacrylate µg/L N/AMethylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVi l Chl id /L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <5 <5 <5 <5 <5 <5<0.5 <2 <2 <2 <2 <2 <2<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2

<10 <10 <10 <10 <10 <10 <10<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <5 <5 <5 <5 <5 <5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Vinyl Chloride µg/L N/A

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

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Constituent Units1 Fraction4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/A

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

Benzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADi th l Phth l t /L N/A

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

Diethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/A

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --Phenol µg/L N/A

Pyrene µg/L N/APyridine µg/L N/A

Biological ParametersHeterotrophic Plate Count CFU/mL N/A

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

-- -- -- -- -- -- --

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Constituent Units1 FractionTotal Coliforms MPN/100 m N/AFecal Coliform MPN/100 m N/AE. coli MPN/100 m N/AE. coli + Fecal Coliform MPN/100 m N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = microgram2. -- indicates the constituent was not analyzed for. Analytes not det3. In cases in which the filtered concentrations exceeded the total, th

3/5/2005 10/6/2005 1/6/2006 3/8/2006 6/16/2006 2/28/2007 6/15/2007

-- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- ---- -- -- -- -- -- --

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

C-Curb C-Drive H-Rain H-Street H-SW-01 H-SW-02

Constituent Units1 Fraction 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05 02/18/05 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- <1 1 2.5 2 1.5 3.2 -- -- 16 16 23Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- <1 1 2.5 2 1.5 3.2 -- -- 16 16 23Bromide mg/L N/A -- -- -- -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 <0.1 <0.1Calcium mg/L Total 5.11 5.58 3.78 6.11 3.77 -- 8.84 2.6 0.79 1.08 1.82 1.57 0.420 2.60 10.2 2.17 4.92 8.13 3.07Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1Chloride mg/L N/A -- -- -- -- -- -- -- -- 3.2 <1 1.8 2.5 <1 1.8 -- -- 3.4 1.1 <1Chemical Oxygen Demand mg/L N/A -- -- -- -- -- -- -- -- 56 41 33 33 5 74 -- -- 280 120 69Chemical Oxygen Demand mg/L N/A 56 41 33 33 5 74 280 120 69Fluoride mg/L N/A -- -- -- -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- 0.2 -- <0.1Hardness (as CaCO3) mg/L Total 50 38 8 36 10 20 30 9.2 12 2.4 10 4 6 26 46 50 22 32 14Hydroxide (as CaCO3) mg/L N/A 1.38 1.23 0.365 0.498 -- -- -- -- <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1Magnesium mg/L Total -- -- -- -- 0.847 -- 1.88 0.391 0.19 0.23 0.405 0.345 <0.1 0.614 0.848 1.01 0.938 1.28 0.227MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- <0.1 <0.1 0.17 0.3 <0.1 0.37 -- -- 0.21 0.36 <0.1Nitrate (as N) mg/L N/A 1.3 0.82 0.24 0.25 1.7 -- 1.7 0.29 0.16 <0.1 0.15 0.39 <0.1 0.25 1.1 4.2 1.5 0.36 0.24Nitrite (as N) mg/L N/A -- -- -- -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 11 2.8 1.8 0.56 -- -- 7.6 0.84 -- -- 1.5 0.84 <0.5 2 1.8 24 5.7 4.5 1.4Carbon, Total Organic mg/L N/A -- -- -- -- -- -- -- -- 6 6.8 12 8.1 1.5 15 -- -- 30 7.6 7.4Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- 4.6 6.2 11 7.7 1.7 14 -- -- 23 5.4 6.4Nitrogen, Organic mg/L N/A -- -- -- -- -- -- -- -- 1.1 <0.5 1.4 0.84 <0.5 1.5 -- -- 5 4.2 1.1Ammonia-Nitrogen mg/L Total 0.63 <0.5 <0.1 <0.17 -- -- 1.2 0.19 0.22 <0.1 0.11 <0.1 <0.1 0.49 0.65 2 0.74 0.28 0.35pH pH units N/A 6.78 6.67 6.97 7.36 5.85 -- 6.27 6.36 4.68 5.79 5.88 5.71 6.5 5.74 7.21 6.7 6.82 6.55 5.43Phosphorus mg/L Dissolved 0.55 0.42 0.11 0.093 0.32 -- 0.6 0.17 <0.03 0.03 0.18 0.11 0.064 0.13 0.21 0.62 0.49 0.13 0.16Phosphorus mg/L Total -- -- -- -- -- -- -- -- 0.13 0.14 0.24 0.11 0.19 0.23 -- -- 0.5 0.37 0.3Potassium mg/L Total -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 0.59 -- -- 4.56 1.96 1.58Sodium mg/L Total -- -- -- -- -- -- -- -- <0.5 0.56 1.17 1.34 <0.5 3.56 -- -- 4 2.97 1.80Sodium mg/L Total -- -- -- -- -- -- -- -- <0.5 0.56 1.17 1.34 <0.5 3.56 -- -- 4 2.97 1.80Specific Conductance µmhos/cm N/A 75 90 33 56 63 -- 150 39 19 11 27 35 12 34 110 150 82 83 31Sulfate mg/L N/A -- -- -- -- -- -- -- -- 2.7 1.6 5.1 6.3 1.6 5.4 -- -- 6.1 2.3 2.7Total Dissolved Solids mg/L N/A 47 57 30 30 43 -- 120 23 13 6.7 16 18 10 82 77 130 48 34 28Total Suspended Solids mg/L N/A 340 470 63 86 180 -- 65 30 64 27 12 <1 3 51 790 430 110 9.6 110Turbidity NTU N/A -- -- -- -- -- -- -- -- 13 3.3 3.4 4.1 2.5 7.4 -- -- 37 54 41

Metals3

Aluminum µg/L Dissolved -- -- -- -- -- -- -- -- <50 <50 <50 <50 <25 <25 122 <50 <50 59.7 <25Aluminum µg/L Total 8,470 2,590 1,400 1,330 2,930 1,650 866 367 395 138 143 131 <25 2,540 8,210 7,160 4,900 4,220 1,340Antimony µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 1.14 <1 <1 1.29 1.6 <1 <1 <1Antimony µg/L Total -- -- -- -- -- -- -- -- <1 1.02 <1 1.2 <1 1.57 5.97 9.35 4.31 2.79 2.28Arsenic µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <0.5 <0.5 <0.5 <0.5 <1 <1 <0.5 1.19 <0.5Arsenic µg/L Total -- -- -- -- -- -- -- -- <1 <1 <0.5 <0.5 <0.5 1.31 2.81 <1 2.99 3.56 0.674Barium µg/L Dissolved -- -- -- -- -- -- -- -- 1.94 <1 3.53 2.39 1.68 6.2 29.3 8.45 11.3 7.57 3.52Barium µg/L Total -- -- -- -- -- -- -- -- 12.4 4.79 7.71 7.47 3.07 69.1 384 199 231 211 47.5Beryllium µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

i l dBoron µg/L Dissolved -- -- -- -- -- -- -- -- <20 <20 <50 <50 <50 <50 49 68.6 71 <50 <50Boron µg/L Total -- -- -- -- -- -- -- -- 27 <20 <50 <50 <50 <50 106 173 89.4 <50 <50Cadmium µg/L Dissolved -- -- -- -- -- -- -- -- <0.5 <0.5 0.37 0.308 <0.2 0.396 <0.5 <0.5 <0.2 <0.2 <0.2Cadmium µg/L Total -- -- -- -- -- -- -- -- <0.5 <0.5 0.489 0.315 <0.2 1.22 1.52 1.16 1.64 2.09 0.936Chromium µg/L Dissolved -- -- -- -- -- -- -- -- 1.61 1.39 2.14 1.61 <1 2.99 1.97 <1 1.1 <1 1.07Chromium µg/L Total -- -- -- -- -- -- -- -- 1.79 1.5 2.39 2.51 1.19 8.07 30.3 18.2 15.2 14.8 5.87

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Sample Number / Date Sampled2

C-Curb C-Drive H-Rain H-Street H-SW-01 H-SW-02

Constituent Units1 Fraction 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05 02/18/05 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05

Chromium, Hexavalent µg/L Dissolved -- -- -- -- -- -- -- -- -- <0.2 0.41 <0.2 <0.2 <0.2 -- -- 0.95 <0.2 0.51Cobalt µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 1.07 <1 <1 <1 <1 <1Cobalt µg/L Total -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 3.59 6.24 5.51 4.68 8.06 1.2Copper µg/L Dissolved -- -- -- -- -- -- -- -- 3.32 3.9 6.8 6.93 1.3 6.62 14.7 17 12.7 5.71 3.81Copper µg/L Total -- -- -- -- -- -- -- -- 13.3 5.45 10.2 8.67 1.55 41.3 62.4 123 117 61.7 28.8Iron µg/L Dissolved <0.1 -- <0.1 -- <0.1 -- <0.1 -- -- -- 176 <100 <100 <100 -- -- 165 <100 <100Iron µg/L Total 11.1 <0.1 1.5 0.138 4.67 2.65 1.43 <0.1 -- -- 210 222 114 3,530 -- -- 7,850 5,770 1,900Lead µg/L Dissolved -- -- -- -- -- -- -- -- 4.39 1.86 6.16 2.82 3.82 2.91 3.12 1.48 1.49 1.81 0.522Lead µg/L Total -- -- -- -- -- -- -- -- 23.1 8.81 13 15.4 9.98 99.3 90.8 120 130 138 46Manganese µg/L Dissolved -- -- -- -- -- -- -- -- 18.2 15.9 39.9 28.9 5.93 62.7 49.5 16.9 9.75 2.31 2.68Manganese µg/L Total -- -- -- -- -- -- -- -- 19.9 21 49.5 32.6 6.49 167 295 256 266 298 50.7Manganese µg/L Total 19.9 21 49.5 32.6 6.49 167 295 256 266 298 50.7Mercury µg/L Dissolved -- -- -- -- -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 <0.1 <0.1Mercury µg/L Total -- -- -- -- -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 -- -- 0.139 <0.1 0.106Molybdenum µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Molybdenum µg/L Total -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 2.31 3.66 2.14 1.63 <1Nickel µg/L Dissolved -- -- -- -- -- -- -- -- <1 1.51 2.1 <2 <2 2.5 7.23 1.94 5.1 12 3.1Nickel µg/L Total -- -- -- -- -- -- -- -- 1.83 1.24 2.6 <2 <2 8.4 20.4 16.3 23 69 13Selenium µg/L Dissolved -- -- -- -- -- -- -- -- <5 <5 <1 <1 <1 <1 <5 <5 <1 <1 <1Selenium µg/L Total -- -- -- -- -- -- -- -- <5 <5 <1 <1 <1 <1 <5 <5 <1 <1 <1Silver µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved -- -- -- -- -- -- -- -- 4.7 4.47 12.1 11.2 2.55 16.4 65.5 26.1 27.6 15 12.7Strontium µg/L Total -- -- -- -- -- -- -- -- 8.71 6.46 14.3 12.3 2.47 32.2 123 125 167 59.6 23.2Thallium µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 1.2 <1 <1 <1 <1Tin µg/L Total -- -- -- -- -- -- -- -- <1 1.77 <1 <1 <1 1.12 6.49 11.1 1.54 3.38 1.37Titanium µg/L Dissolved -- -- -- -- -- -- -- -- <1 <1 1.13 <1 <1 1.2 5.63 1.56 3.9 4.17 1.45Titanium µg/L Dissolved <1 <1 1.13 <1 <1 1.2 5.63 1.56 3.9 4.17 1.45Titanium µg/L Total -- -- -- -- -- -- -- -- 23.4 6.72 9.66 8.12 1.69 214 480 501 257 291 96.5Vanadium µg/L Dissolved -- -- -- -- -- -- -- -- 1.33 1.2 1.43 1.42 <1 2.38 1.5 1.97 1.61 1.3 <1Vanadium µg/L Total -- -- -- -- -- -- -- -- 2.72 2.17 1.91 1.8 <1 9.84 18 23.9 14.6 11.2 4.37Zinc µg/L Dissolved -- -- -- -- -- -- -- -- 141 131 279 251 86.3 496 29.4 27.4 50.4 88.1 28.7Zinc µg/L Total -- -- -- -- -- -- -- -- 145 179 396 261 93.4 933 336 335 441 849 189

Other ConstituentsOil and Grease mg/L N/A -- -- -- -- -- -- -- -- 1.7 1.8 <1 2.2 1.1 2 3.1 5.8 -- 52 1.6Perchlorate µg/L N/A -- -- -- -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- <2 <10 <10 <10 -- -- -- -- -- <100 --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- <6 <6 -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- <2 <2 -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A -- -- -- -- -- -- -- -- <0.02 <0.02 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <1 <1 <1 <1 -- <0.5 <1 <1 <1Benzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Benzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

C-Curb C-Drive H-Rain H-Street H-SW-01 H-SW-02

Constituent Units1 Fraction 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05 02/18/05 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05

Tetrachloroethylene (PCE) µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,3 Trichloropropane (1,2,3 TCP) µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.51,2,4-Trichlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 -- <1 <1 1.8 1.32-Chlorotoluene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A -- -- -- -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <24 Methyl 2 pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Acetone µg/L N/A -- -- -- -- -- -- -- -- 5 6.6 26 13 12 7.9 -- 5.6 6.6 15 15Acrylonitrile µg/L N/A -- -- -- -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2Allyl Chloride µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- -- -- -- -- -- -- <2 <2 <2 <2 -- -- <2 <2 <2Ethanol µg/L N/A -- -- -- -- -- -- -- -- -- -- <100 <100 <100 <100 -- -- <100 <100 <100Ethyl Methacrylate µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- -- -- -- -- -- -- <2 <2 <2 <2 -- -- <2 <2 <2

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Sample Number / Date Sampled2

C-Curb C-Drive H-Rain H-Street H-SW-01 H-SW-02

Constituent Units1 Fraction 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05 02/18/05 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05

Hexachloro-1,3-Butadiene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 0.6 -- <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 0.66sec-Butylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5sec Butylbenzene µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5Styrene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- -- -- -- -- -- -- <2 <2 <2 <2 -- -- <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- <10 <10 <10tert-Butylbenzene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- -- -- -- -- -- -- -- <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A -- -- -- -- -- -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- <50 <50 <50 <50 -- -- -- -- -- <500 --2 4 Di it t l /L N/A <10 <10 <10 <10 <1002,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- <25 <25 <25 <25 -- -- -- -- -- <250 --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- <50 <50 <50 <50 -- -- -- -- -- <500 --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --4 Ni h l / N/A 10 10 10 10 1004-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Aniline µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Anthracene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --

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Page 29 of 151

Sample Number / Date Sampled2

C-Curb C-Drive H-Rain H-Street H-SW-01 H-SW-02

Constituent Units1 Fraction 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05 02/18/05 12/16/02 02/12/03 02/02/04 02/25/04 01/07/05

Benzidine µg/L N/A -- -- -- -- -- -- -- -- <50 <50 <50 <50 -- -- -- -- -- <500 --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- <50 <50 <50 <50 -- -- -- -- -- <500 --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- <25 <25 <25 <25 -- -- -- -- -- <250 --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Bis(2 Chloroisopropyl) Ether µg/L N/A 10 10 10 10 100Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- 400 --Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Chrysene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Fluorene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- <25 <25 <25 <25 -- -- -- -- -- <250 --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Isophorone µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- <25 <25 <25 <25 -- -- -- -- -- <250 --Nitrobenzene µg/L N/A <25 <25 <25 <25 <250N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --N-Nitrosodiphenylamino µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Pentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Phenol µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Pyrene µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --Pyridine µg/L N/A -- -- -- -- -- -- -- -- <10 <10 <10 <10 -- -- -- -- -- <100 --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- -- -- -- -- -- -- -- 30,000 13,000 -- -- -- -- -- -- -- -- --Total Coliforms MPN/100 mL N/A -- -- -- -- -- -- -- -- 600 <1.1 -- -- -- -- -- -- -- -- --Fecal Coliform MPN/100 mL N/A -- -- -- -- -- -- -- -- <1.1 <1.1 -- -- -- -- -- -- -- -- --E. coli MPN/100 mL N/A -- -- -- -- -- -- -- -- <1.1 <1.1 -- -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Page 30 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- --Bromide mg/L N/A <0.1 <0.1 <0.1 0.12 <0.1 <0.1Calcium mg/L Total -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- --Chloride mg/L N/A 65 19 19 56 33 <1Chemical Oxygen Demand mg/L N/A -- <5 <5 <5 5 5.1Fluoride mg/L N/A -- -- -- -- -- --Hardness (as CaCO3) mg/L Total -- -- -- -- -- --Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- --Nitrate (as N) mg/L N/A 1.5 0.11 <0.1 <0.1 0.28 0.28Nitrite (as N) mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- 0.28 <0.5 <1 <0.5 <0.5Carbon, Total Organic mg/L N/A -- 13 3.8 2.9 3.1 3Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- --Nitrogen, Organic mg/L N/A -- <0.5 <0.5 <1 <0.5 <0.5Ammonia-Nitrogen mg/L Total -- <0.2 <0.2 <0.1 <0.2 <0.2pH pH units N/A -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- --Phosphorus mg/L Total -- <0.03 12 <0.03 0.13 0.74P i /L T t lPotassium mg/L Total -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- 970 -- -- -- --Sulfate mg/L N/A 110 31 44 91 50 19Total Dissolved Solids mg/L N/A -- 610 580 610 410 290Total Suspended Solids mg/L N/A -- -- -- -- -- --Turbidity NTU N/A -- -- -- -- -- --

Metals3

Aluminum µg/L Dissolved <50 <50 <50 <25 <25 <25Aluminum µg/L Total -- <50 <50 <25 <25 <25Antimony µg/L Dissolved 1.26 <1 <1 1.13 1.36 <1Antimony µg/L Total -- 1.02 1.01 1.18 1.13 <1Arsenic µg/L Dissolved 4.26 <0.5 <0.5 <0.5 <0.5 <0.5Arsenic µg/L Total -- <0.5 <0.5 <0.5 <0.5 <0.5Barium µg/L Dissolved 28.5 77.5 107 103 45 29.9Barium µg/L Total -- 78.4 112 102 47.6 33.1Beryllium µg/L Dissolved <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- <1 <1 <1 <1 <1Boron µg/L Dissolved 304 305 243 288 245 152Boron µg/L Total -- 279 249 286 269 159Cadmium µg/L Dissolved <0.5 0.245 0.221 <0.2 <0.2 <0.2

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March 2008 TABLE C-5

LYSIMETER ANALYTICAL RESULTS − HALL HOUSE

Page 31 of 151

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

Cadmium µg/L Total -- 0.231 0.223 <0.2 <0.2 <0.2Chromium µg/L Dissolved 22.5 2.37 <1 1.09 1.61 <1Chromium µg/L Total -- 2.45 <1 1.13 1.75 <1Chromium, Hexavalent µg/L Dissolved 25 -- -- 0.37 0.56 0.66Cobalt µg/L Dissolved <1 <1 <1 <1 <1 <1Cobalt µg/L Total -- <1 <1 <1 <1 <1Copper µg/L Dissolved 7.71 3.66 3.96 2.01 2.93 1.58Copper µg/L Total -- 4.86 6.4 4.74 3.45 2.43Iron µg/L Dissolved -- 143 <100 <100 <100 <100Iron µg/L Total -- 321 197 <100 <100 <100Lead µg/L Dissolved 0.591 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total -- 0.598 <0.5 <0.5 <0.5 <0.5Manganese µg/L Dissolved 1.26 476 444 16.8 3.68 2.06Manganese µg/L Total -- 467 449 8.55 3.72 2.05Mercury µg/L Dissolved -- -- -- -- -- <0.1Mercury µg/L Total -- -- -- -- -- <0.1Molybdenum µg/L Dissolved 29.2 90.9 70.6 48.8 60.2 49.3Molybdenum µg/L Total -- 89.1 72 46.4 62.5 51.1Nickel µg/L Dissolved 4.67 14 11 7.1 3.9 2.4Nickel µg/L Total -- 14 11 7 3.9 2.6Selenium µg/L Dissolved <5 <1 <1 1.17 <1 <1Selenium µg/L Total -- <1 <1 <1 <1 <1Silver µg/L Dissolved <1 <1 <1 <1 <1 <1Silver µg/L Total -- <1 <1 <1 <1 <1Strontium µg/L Dissolved 545 576 685 987 538 389Strontium µg/L Total -- 561 701 935 563 395Th lli /L Di l d <1 <1 <1 <1 <1 <1Thallium µg/L Dissolved <1 <1 <1 <1 <1 <1Thallium µg/L Total -- <1 <1 <1 <1 <1Tin µg/L Dissolved 2.12 <1 <1 <1 <1 <1Tin µg/L Total -- <1 <1 <1 <1 <1Titanium µg/L Dissolved 5.54 1.94 3.91 3.67 4.59 1.67Titanium µg/L Total -- 3.42 5.07 3.26 5.04 2.49Vanadium µg/L Dissolved 44.2 2.38 1.23 1.94 1.37 1.21Vanadium µg/L Total -- 1.25 1.32 1.35 1.54 1.28Zinc µg/L Dissolved 56.9 22.9 11.2 16 6.77 <5Zinc µg/L Total -- 33.2 10.1 38.3 7.04 6.36

Other ConstituentsOil and Grease mg/L N/A -- 1.1 -- <1 <1 --Perchlorate µg/L N/A -- -- -- -- -- --N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- <1 <1 <1 <1 <1Benzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5

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LYSIMETER ANALYTICAL RESULTS − HALL HOUSE

Page 32 of 151

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

Toluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.51 4 Di hl b /L N/A <0 5 <0 5 <0 5 <0 5 <0 51,4-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- <1 <1 <1 <1 <12-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A -- <2 <2 <2 <2 <2Acetone µg/L N/A -- <2 <2 <2 <2 <2Acrylonitrile µg/L N/A -- <2 <2 <2 <2 <2Allyl Chloride µg/L N/A -- 1.1 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- 3.6 <0.5 2.4 2.1 <0.5Carbon Tetrachloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A -- <0.5 <0.5 1.6 5.7 0.92cis-1,2-Dichloroethene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5

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LYSIMETER ANALYTICAL RESULTS − HALL HOUSE

Page 33 of 151

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

Dichlorobromomethane µg/L N/A -- <0.5 <0.5 <0.5 1.9 <0.5Dichlorodifluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- <2 <2 <2 <2 <2Ethanol µg/L N/A -- <100 <100 <100 <100 <100Ethyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A -- <0.5 <0.5 <0.5 0.51 1Naphthalene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A -- 12 <10 <10 <10 <10tert-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5Vi l Chl id /L N/A <0 5 <0 5 <0 5 <0 5 <0 5Vinyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- --

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LYSIMETER ANALYTICAL RESULTS − HALL HOUSE

Page 34 of 151

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

4-Chloroaniline µg/L N/A -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- --Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- --Di th l Phth l t /L N/ADiethyl Phthalate µg/L N/A -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- --Fluorene µg/L N/A -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- --N-Nitrosodiphenylamino µg/L N/A -- -- -- -- -- --Pentachlorophenol µg/L N/A -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- -- -- -- -- --

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March 2008 TABLE C-5

LYSIMETER ANALYTICAL RESULTS − HALL HOUSE

Page 35 of 151

Sample Number / Date Sampled2

H-LS-01

Constituent Units1 Fraction 12/23/02 02/04/04 02/27/04 10/20/04 01/07/05 02/18/05

Total Coliforms MPN/100 mL N/A -- -- -- -- -- --Fecal Coliform MPN/100 mL N/A -- -- -- -- -- --E. coli MPN/100 mL N/A -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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March 2008 TABLE C-6

STORM WATER ANALYTICAL RESULTS − IMAX

Page 36 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

I-SW-01 I-SW-02

Constituent Units1 Fraction 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 2 <1 3 2.4 3.8 4 7.7 3.7 10 <1 3 6.1 3.2 6 5 4Bicarbonate (as CaCO3) mg/L N/A 2 <1 3 2.4 3.8 4 7.7 3.7 10 <1 3 6.1 3.2 6 5 4Bromide mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 2.5 <0.1 <0.1Calcium mg/L Total 1.18 0.483 0.797 0.509 1.01 1.71 0.600 0.931 2.22 1.12 1.81 0.585 1.99 1.17 0.990 1.33Carbonate (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Chloride mg/L N/A <1 <1 <1 <1 1.6 1.8 1.3 <1 1.6 1.8 <1 <1 3.6 1.7 2.5 <1Chemical Oxygen Demand mg/L N/A 7.7 64 33 15 36 21 23 10 18 59 21 13 41 13 43 61Chemical Oxygen Demand mg/L N/A 7.7 64 33 15 36 21 23 10 18 59 21 13 41 13 43 61Fluoride mg/L N/A <0.1 <0.1 <0.1 <0.1 0.11 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Hardness (as CaCO3) mg/L Total 4 8 6.8 <2 6 8 4 8 8 8 10 <2 10 6 22 10Hydroxide (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Magnesium mg/L Total 0.179 0.174 0.168 0.136 0.186 0.438 0.145 0.258 0.234 0.36 0.248 0.202 0.473 0.265 0.288 0.213MBAS (Surfactants) mg/L N/A 0.15 <0.1 <0.1 <0.1 <0.1 0.19 0.11 <0.1 0.19 <0.1 <0.1 <0.1 0.1 0.13 0.11 <0.1Nitrate (as N) mg/L N/A 0.19 0.15 0.15 0.16 0.19 0.44 0.23 0.17 0.42 0.18 <0.1 0.32 1.1 <0.1 1.2 0.24Nitrite (as N) mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.12 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- -- -- -- 1.5 0.98 <0.5 0.56 -- -- -- -- 2.1 0.84 1.1 0.84Carbon, Total Organic mg/L N/A 4 1.3 2 2.6 3.5 3.9 1.6 2.8 6.3 2 1.5 1.6 6 2.8 2.4 3.1Carbon, Dissolved Organic mg/L N/A 4.5 1.2 2.5 2.6 3 3.8 1.6 3 7.2 1.8 2.4 2.3 4.7 2.8 2.4 3.1Nitrogen, Organic mg/L N/A <0.5 1.1 0.56 <0.5 1.4 0.63 <0.5 0.56 0.6 <0.5 <0.5 <0.5 1.5 <0.5 0.61 0.84Ammonia-Nitrogen mg/L Total <0.1 <0.1 <0.1 0.21 0.11 0.35 <0.1 <0.1 0.52 0.35 <0.1 0.21 0.56 0.35 0.49 <0.1pH pH units N/A 7.05 7.29 6.19 5.94 6.52 6.24 7.65 6.53 6.31 6.22 6.37 5.97 6.06 6.37 6.02 6.29Phosphorus mg/L Dissolved <0.03 0.09 <0.03 <0.03 <0.03 <0.03 0.064 <0.03 <0.03 <0.1 <0.03 <0.03 0.045 <0.03 0.13 <0.03Phosphorus mg/L Total <0.03 0.11 0.63 <0.03 <0.03 0.062 0.16 0.14 <0.03 <0.1 0.084 <0.03 0.097 0.067 0.23 0.23Potassium mg/L Total <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Sodium mg/L Total 0.71 <0.5 <0.5 <0.5 0.882 1.48 1.26 0.539 1.53 <0.5 <0.5 <0.5 2.36 1.41 3.20 0.686Sodium mg/L Total 0.71 <0.5 <0.5 <0.5 0.882 1.48 1.26 0.539 1.53 <0.5 <0.5 <0.5 2.36 1.41 3.20 0.686Specific Conductance µmhos/cm N/A 12 8.3 8.7 6.3 17 28 18 14 29 14 12 12 39 25 35 19Sulfate mg/L N/A <1 <1 <1 2.3 2.3 3.7 2.2 3.1 2.4 <1 <1 2.2 2.9 3.8 2.6 3.5Total Dissolved Solids mg/L N/A 10 20 6.7 6.7 10 22 14 34 20 37 6.7 10 14 22 20 30Total Suspended Solids mg/L N/A <1 110 10 1.5 30 3.4 22 14 1.1 89 9.6 16 96 <1 38 140Turbidity NTU N/A 2.8 26 9.1 2.2 4.6 11 4 5.5 4.8 36 11 2.7 14 11 9.1 23

Metals3

Aluminum µg/L Dissolved <50 <50 <50 <50 <50 <50 <25 <25 <50 <50 <50 <50 <50 105 <25 <25Aluminum µg/L Total <50 308 803 50.3 316 333 192 1,180 105 373 204 255 168 503 851 952Antimony µg/L Dissolved 1.38 <1 <1 <1 <1 <1 <1 <1 7.69 <1 <1 <1 1.13 1.62 <1 2.01Antimony µg/L Total 1.54 <1 2.18 <1 1.2 1.18 <1 2.83 7.68 <1 <1 <1 1.27 3.15 <1 4.28Arsenic µg/L Dissolved <1 <1 <1 <1 <0.5 <0.5 <0.5 <0.5 138 1.3 1.75 17.4 32.4 31.7 60.9 43.3Arsenic µg/L Total <1 6.51 <1 <1 <0.5 <0.5 <0.5 0.9 153 1.44 1.84 22.8 58.7 35.2 69.4 53.2Barium µg/L Dissolved 72.7 <1 <1 <1 <1 1.43 <1 <1 106 2.66 1.5 1.44 5.06 3.7 3.06 2.06Barium µg/L Total 1.29 9.26 16.7 <1 8.12 6.44 4.26 32.5 8.05 23.1 9.04 8.96 7.42 15.6 20.7 29.3Beryllium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

i l dBoron µg/L Dissolved <20 <20 <20 <20 <50 <50 <50 <50 <20 <20 <20 <20 <50 <50 <50 <50Boron µg/L Total <20 <20 <20 <20 <50 <50 <50 <50 23.6 <20 <20 <20 <50 <50 <50 <50Cadmium µg/L Dissolved <0.5 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2 <0.5 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 <0.2Cadmium µg/L Total <0.5 <0.5 <0.5 <0.5 <0.2 <0.2 <0.2 0.997 <0.5 <0.5 <0.5 <0.5 0.229 <0.2 0.267 0.226Chromium µg/L Dissolved <1 <1 <1 <1 <1 1.39 1.04 2.09 <1 <1 1.05 <1 <1 1.41 <1 1.99Chromium µg/L Total <1 1.26 2.58 <1 1.61 3.12 1.42 4.91 1.21 1.68 1.07 1.16 <1 2.64 3.07 4.35

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March 2008 TABLE C-6

STORM WATER ANALYTICAL RESULTS − IMAX

Page 37 of 151

Sample Number / Date Sampled2

I-SW-01 I-SW-02

Constituent Units1 Fraction 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05

Chromium, Hexavalent µg/L Dissolved 0.3 <0.2 <0.2 0.27 0.24 <0.2 0.25 <0.2 0.61 <0.2 <0.2 0.22 0.41 0.26 0.37 0.25Cobalt µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Cobalt µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Copper µg/L Dissolved 8.2 1.17 2.56 2.51 2.51 5.24 1.61 2.62 137 1.99 2.97 7.82 38.6 23.8 35.2 21Copper µg/L Total 7.74 9.65 12.5 2.51 14.9 9.31 5.32 37.7 157 12.1 4.99 18.4 69.8 52.7 87.1 94.8Iron µg/L Dissolved -- -- -- -- 114 <100 <100 <100 -- -- -- -- <100 <100 <100 <100Iron µg/L Total -- -- -- -- 407 447 268 1,710 -- -- -- -- <100 672 1,010 1,190Lead µg/L Dissolved <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.769 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total 0.741 9.48 11.9 <0.5 5.81 3.73 4.23 76.4 1.66 10.6 2.08 2.71 0.947 5.52 10.1 13.7Manganese µg/L Dissolved <1 <1 1.81 <1 1.23 <1 <1 5.45 8.38 2.49 <1 4.12 6.47 4.95 3.35 3.15Manganese µg/L Total 1.89 19.8 28.5 1.47 14 10.2 6.19 35.7 11.3 17.9 8.52 8.04 9.53 14 20.8 24.9Manganese µg/L Total 1.89 19.8 28.5 1.47 14 10.2 6.19 35.7 11.3 17.9 8.52 8.04 9.53 14 20.8 24.9Mercury µg/L Dissolved -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Mercury µg/L Total <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Molybdenum µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Nickel µg/L Dissolved <1 <1 <1 <1 <2 <2 <2 <2 2.97 <1 <1 <1 <2 <2 <2 <2Nickel µg/L Total <1 1 2.16 <1 <2 <2 <2 4.3 3.4 1.31 <1 <1 <2 <2 <2 5.1Selenium µg/L Dissolved <5 <5 <5 1.11 <1 <1 <1 <1 <5 <5 <5 1.24 <1 <1 <1 <1Selenium µg/L Total <5 <5 <5 <5 <1 <1 <1 <1 <5 <5 <5 <5 <1 <1 <1 <1Silver µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved 3.48 1.69 3.66 2.39 4.58 9.66 3.21 4.24 10.3 3.99 5.91 1.94 10.6 6.6 6.57 5.41Strontium µg/L Total 4.73 4.9 8.2 2.33 12.5 11.1 4.45 15.3 11.2 7.38 5.83 2.83 12 8.85 10.2 9.35Thallium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 1.97 <1 <1 <1 <1 2.13 <1 <1Tin µg/L Total <1 <1 1.99 <1 <1 <1 <1 1.35 <1 <1 1.26 <1 <1 2.84 1.96 2.13Titanium µg/L Dissolved <1 <1 <1 <1 <1 1.22 <1 <1 1.22 <1 <1 <1 <1 1.15 1.07 <1Titanium µg/L Dissolved <1 <1 <1 <1 <1 1.22 <1 <1 1.22 <1 <1 <1 <1 1.15 1.07 <1Titanium µg/L Total 3.64 8.79 63.2 5.96 20.3 22 14.2 75.4 8.96 11.8 11.5 14.6 4.96 30.6 45.9 43.5Vanadium µg/L Dissolved <1 1.37 <1 <1 <1 <1 <1 <1 1.47 1.42 <1 <1 <1 <1 <1 <1Vanadium µg/L Total 1.28 2.46 3.71 <1 1.63 2.19 <1 2.4 1.56 2.7 1.36 <1 <1 2.03 2.11 1.39Zinc µg/L Dissolved 39.2 37.7 63.3 64.4 169 96.4 41.7 109 715 64.9 32.5 112 757 390 633 535Zinc µg/L Total 81.9 80.1 125 60.6 241 105 63.9 566 1,000 214 50.3 198 1,240 548 899 1,080

Other ConstituentsOil and Grease mg/L N/A <1 1.2 1.6 58 <1 1 <1 <1 <1 1 2 1.2 1 1.2 <1 1.7Perchlorate µg/L N/A <2 <2 <2 14 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <2 <2 <10 <10 <10 <10 -- -- <2 <10 <10 <10 <10 <10 -- --Glyphosate µg/L N/A <6 <6 <6 <6 -- -- -- -- <6 <6 <6 <6 -- -- -- --1,4-Dioxane µg/L N/A <2 <2 <2 <2 -- -- -- -- <2 <2 <2 <2 -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.02 <0.02 <0.02 <0.02 <0.5 <0.5 <0.5 <0.5 <0.02 <0.02 <0.02 <0.02 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <1 <1 <1 <1 0.52 <0.5 <0.5 <0.5 <1 <1 <1 <1Benzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Benzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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March 2008 TABLE C-6

STORM WATER ANALYTICAL RESULTS − IMAX

Page 38 of 151

Sample Number / Date Sampled2

I-SW-01 I-SW-02

Constituent Units1 Fraction 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05

Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3 Trichloropropane (1,2,3 TCP) µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 <1 <1 <1 1.1 1.5 1.2 <1 <1 <1 <1 <1 <1 1.7 1.12-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <24 Methyl 2 pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Acetone µg/L N/A 15 4.3 3.8 4.2 2.5 11 17 12 13 3.8 5.1 2.7 2.6 13 15 11Acrylonitrile µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.88 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- <2 <2 <2 <2 -- -- -- -- <2 <2 <2 <2Ethanol µg/L N/A -- -- -- -- <100 <100 <100 <100 -- -- -- -- <100 <100 <100 <100Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- <2 <2 <2 <2 -- -- -- -- <2 <2 <2 <2

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Sample Number / Date Sampled2

I-SW-01 I-SW-02

Constituent Units1 Fraction 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05

Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.56 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec Butylbenzene µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5Styrene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- <2 <2 <2 <2 -- -- -- -- <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- <10 <10 <10 <10 -- -- -- -- <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,4,5-Trichlorophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,4,6-Trichlorophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dichlorophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dimethylphenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,4-Dinitrophenol µg/L N/A <50 <50 <50 <50 <50 <50 -- -- <50 <50 <50 <50 <50 <50 -- --2 4 Di it t l /L N/A <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <102,4-Dinitrotoluene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2,6-Dinitrotoluene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Chloronaphthalene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Chlorophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Methylnaphthalene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Methylphenol (o-Cresol) µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Nitroaniline µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --2-Nitrophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --3,3'-Dichlorobenzidine µg/L N/A <25 <25 <25 <25 <25 <25 -- -- <25 <25 <25 <25 <25 <25 -- --3-Nitroaniline µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4,6-Dinitro-2-Methylphenol µg/L N/A <50 <50 <50 <50 <50 <50 -- -- <50 <50 <50 <50 <50 <50 -- --4-Bromophenyl-Phenyl Ether µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4-Chloro-3-Methylphenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4-Chloroaniline µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4-Methylphenol (p-Cresol) µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4-Nitroaniline µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --4 Ni h l / N/A 10 10 10 10 10 10 10 10 10 10 10 104-Nitrophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Acenaphthene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Acenaphthylene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Aniline µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Anthracene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Azobenzene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --

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Sample Number / Date Sampled2

I-SW-01 I-SW-02

Constituent Units1 Fraction 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05 11/08/02 12/16/02 02/12/03 03/15/03 02/02/04 02/25/04 12/28/04 02/18/05

Benzidine µg/L N/A <50 <50 <50 <50 <50 <50 -- -- <50 <50 <50 <50 <50 <50 -- --Benzo (a) Anthracene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (a) Pyrene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (b) Fluoranthene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (g,h,i) Perylene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Benzo (k) Fluoranthene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Benzoic acid µg/L N/A <50 <50 <50 <50 <50 <50 -- -- <50 <50 <50 <50 <50 <50 -- --Benzyl alcohol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethoxy) Methane µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2-Chloroethyl) Ether µg/L N/A <25 <25 <25 <25 <25 <25 -- -- <25 <25 <25 <25 <25 <25 -- --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Bis(2 Chloroisopropyl) Ether µg/L N/A 10 10 10 10 10 10 10 10 10 10 10 10Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Butyl Benzyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Chrysene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Dibenz (a,h) Anthracene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Dibenzofuran µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Diethyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Dimethyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Di-n-Butyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Di-n-Octyl Phthalate µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Fluoranthene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Fluorene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Hexachlorobenzene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Hexachlorocyclopentadiene µg/L N/A <25 <25 <25 <25 <25 <25 -- -- <25 <25 <25 <25 <25 <25 -- --Hexachloroethane µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Isophorone µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Nitrobenzene µg/L N/A <25 <25 <25 <25 <25 <25 -- -- <25 <25 <25 <25 <25 <25 -- --Nitrobenzene µg/L N/A <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25N-Nitroso-di-n-propylamine µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --N-Nitrosodiphenylamino µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Pentachlorophenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Phenanthrene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Phenol µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Pyrene µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --Pyridine µg/L N/A <10 <10 <10 <10 <10 <10 -- -- <10 <10 <10 <10 <10 <10 -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A 800 160 1,300 1,700 -- -- -- -- 500 6,400 2,000 1,700 -- -- -- --Total Coliforms MPN/100 mL N/A <1.1 <1.1 500 <1.1 -- -- -- -- <1.1 700 13,000 <1.1 -- -- -- --Fecal Coliform MPN/100 mL N/A <1.1 <1.1 20 <1.1 -- -- -- -- <1.1 <1.1 260 40 -- -- -- --E. coli MPN/100 mL N/A <1.1 <1.1 20 <1.1 -- -- -- -- <1.1 <1.1 120 <1.1 -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

I-LS-01 I-LS-02

Constituent Units1 Fraction 03/20/02 01/03/03 02/27/03 03/18/03 02/04/04 02/27/04 10/21/04 12/29/04 02/23/05 01/03/06 02/28/06 02/23/07 03/20/02 11/10/02 12/23/02 03/18/03 02/26/04

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bromide mg/L N/A 0.13 0.72 -- 2 <0.2 <0.1 2.4 1.7 0.59 2.5 <0.1 0.85 0.13 <0.1 <0.1 <0.1 <0.1Calcium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chloride mg/L N/A -- 120 -- 100 110 120 100 110 53 130 140 90 -- 9.5 15 2.7 2.2Chemical Oxygen Demand mg/L N/A <5 -- -- -- -- 23 58 28 -- 64 26 190 6 36 -- -- 21Fluoride mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --H d ( C CO ) /L T t lHardness (as CaCO3) mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrate (as N) mg/L N/A 7.7 310 -- 280 300 300 310 320 120 230 240 50 8.2 3.4 2.6 1.2 0.77Nitrite (as N) mg/L N/A <0.2 <0.1 -- <0.1 <0.2 <0.1 <0.1 <0.2 <0.1 <0.1 <0.1 <0.1 <0.5 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 0.46 -- -- -- -- <0.5 -- <0.5 -- -- <1 1.4 <0.2 -- -- -- <0.5Carbon, Total Organic mg/L N/A 1.7 -- -- -- -- 10 7.3 7.6 -- 29 8.9 4.6 1.9 14 -- -- 4.9Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrogen, Organic mg/L N/A 0.404 -- -- -- -- <0.5 -- <0.5 -- -- <1 1.4 <0.2 1.3 -- -- <0.5Ammonia-Nitrogen mg/L Total 0.056 -- -- -- -- <0.2 -- <0.2 -- -- <0.4 <0.2 0.063 0.46 <0.2 -- <0.2pH pH units N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Total -- -- -- 0.18 -- 14 0.26 0.34 -- 0.25 0.38 4.8 -- 0.1 -- 0.054 2.6Potassium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sulfate mg/L N/A -- 650 -- 460 500 490 440 470 140 450 480 240 -- 130 200 39 39T t l Di l d S lid /L N/A 710 3 000 2 400 3 000 2 800 2 900 2 400 2220 1040 700 330 610 130Total Dissolved Solids mg/L N/A 710 3,000 -- 2,400 3,000 2,800 2,900 2,400 -- 2220 -- 1040 700 330 610 -- 130Total Suspended Solids mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/A 271 -- -- -- -- -- -- -- -- -- -- -- 269 -- -- -- --

Metals3

Aluminum µg/L Dissolved -- <50 -- <50 -- <50 <25 <25 <25 <25 <25 <25 -- <50 <50 <50 <50Aluminum µg/L Total -- <50 <50 <50 <50 455 <25 <25 <25 <25 <25 <25 -- 398 168 124 455Antimony µg/L Dissolved -- <1 -- 2.41 -- <1 1.03 <1 <1 <1 <1 1.01 -- 2.02 <1 2.72 <1Antimony µg/L Total -- 1.32 2.49 <1 <1 <1 <1 <1 <1 1.06 <1 1.3 -- 2.87 1.62 1.76 <1Arsenic µg/L Dissolved 2 1.65 -- 3.06 -- 1.62 6.78 6.57 6.17 6.57 8.26 5.27 2.2 22.1 6.76 20.3 12.5Arsenic µg/L Total 7.4 4.87 4.01 4.12 2.31 1.51 8.47 5.61 6.8 6.35 18.2 5.36 9.9 28.6 9.74 23 13.8Barium µg/L Dissolved -- 132 -- 97.5 -- 132 122 132 96.4 205 139 93 -- 58.7 18.7 11 31.7Barium µg/L Total -- 160 81.3 95.3 128 132 143 143 106 220 129 96.6 -- 32.3 20.9 11.9 41.3Beryllium µg/L Dissolved -- <1 -- <1 -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Beryllium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Boron µg/L Dissolved -- 99.4 -- 125 -- 110 118 136 53.2 162 108 160 -- 30 32.6 <20 <50Boron µg/L Total -- 142 144 129 139 109 118 135 59.1 152 109 166 -- 30.2 45.8 21 <50Cadmium µg/L Dissolved -- <0.5 -- 0.524 -- 0.372 0.283 0.4 <0.2 0.437 0.245 0.223 -- <0.5 <0.5 <0.5 <0.2Cadmium µg/L Total <0.5 <0.5 0.591 0.626 0.397 0.388 0.392 0.409 0.218 0.477 0.252 0.219 <0.5 <0.5 <0.5 <0.5 <0.2µgChromium µg/L Dissolved 34 1.16 -- 3.86 -- 4.45 5.16 9.05 3.03 <1 3.33 2.1 33 23.5 41.6 8.71 5.66Chromium µg/L Total 64 3.9 4.23 2.77 7.16 5.14 4.73 10 3.59 1.73 3.29 3.09 83 36.5 80.7 11.1 8.59Chromium, Hexavalent µg/L Dissolved 35.2 2 -- 3.6 -- -- 7.2 8.7 3.3 2.5 5.1 4.1 35.1 28 74 8.4 --Cobalt µg/L Dissolved -- <1 -- 1 -- <1 <1 <1 <1 <1 <1 1.17 -- <1 <1 1.34 <1Cobalt µg/L Total -- <1 4.15 <1 1.19 <1 <1 <1 <1 <1 <1 1.25 -- <1 <1 <1 <1Copper µg/L Dissolved <2 9.85 -- 10.1 -- 6.65 3.18 5.02 3.55 38.7 14.1 22.1 <2 4.48 2.36 2.24 2.81

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March 2008 TABLE C-7

LYSIMETER ANALYTICAL RESULTS − IMAX

Page 42 of 151

Sample Number / Date Sampled2

I-LS-01 I-LS-02

Constituent Units1 Fraction 03/20/02 01/03/03 02/27/03 03/18/03 02/04/04 02/27/04 10/21/04 12/29/04 02/23/05 01/03/06 02/28/06 02/23/07 03/20/02 11/10/02 12/23/02 03/18/03 02/26/04

Copper µg/L Total 22 13.4 23.1 11 25.5 7.95 6.91 6.04 3.65 41.2 13.9 23.1 34 9.3 4.4 3.01 10.4Iron µg/L Dissolved -- -- -- -- -- <100 <100 760 126 870 310 381 -- -- -- -- <100Iron µg/L Total -- -- -- -- 156 132 <100 796 172 985 521 445 -- -- -- -- 1,290Lead µg/L Dissolved <0.5 <0.5 -- 0.866 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total 6.3 1.17 4.12 1.48 <0.5 1.14 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 9.4 1.49 0.723 0.737 3.29Manganese µg/L Dissolved -- 1.32 -- <1 -- <1 <1 <1 1.34 <1 1.05 1.23 -- 18.4 12.7 20.9 18.1Manganese µg/L Total -- 2.22 4.66 <1 1.07 2.1 <1 <1 1.32 <1 1.09 1.6 -- 31 26.9 26.3 29.8Mercury µg/L Dissolved -- -- -- -- -- -- -- -- -- <0.1 <0.1 -- -- -- -- -- <0.1Mercury µg/L Total <0.2 -- -- -- -- -- -- -- -- <0.1 <0.1 -- <0.2 -- -- -- <0.1Molybdenum µg/L Dissolved -- 1.35 -- 3.13 -- 3.32 3.63 4.62 1.53 6.53 4.08 14.1 -- 6.91 11.5 2.9 1.84Molybdenum µg/L Total -- 1.74 2.39 2.87 3.17 3.62 3.83 4.82 1.83 5.57 3.91 15.1 -- 8.3 18.5 2.52 1.89Nickel µg/L Dissolved 5.2 6.74 -- 32 -- 12 9.3 17 5.5 18 8.7 12 5.6 3.17 1.3 1.64 4Nickel µg/L Total 22 10 1 21 8 24 9 35 14 7 9 8 12 6 4 18 11 12 32 4 39 2 4 1 19 6 6Nickel µg/L Total 22 10.1 21.8 24.9 35 14.7 9.8 12 6.4 18 11 12 32 4.39 2.4 1.19 6.6Selenium µg/L Dissolved -- 5.32 -- <5 -- <1 10.9 <1 3.08 12 <1 1.7 -- <5 <5 <5 <1Selenium µg/L Total -- 20.9 <5 <5 2.43 <1 10 <1 3.97 13.1 <1 2.72 -- <5 <5 <5 <1Silver µg/L Dissolved -- <1 -- <1 -- <1 2.49 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Silver µg/L Total -- <1 <1 <1 <1 <1 2.41 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Strontium µg/L Dissolved -- 1,390 -- 2,060 -- 1,990 1,500 1,810 703 1660 1010 629 -- 131 74.9 54.1 73.9Strontium µg/L Total -- 1,630 1,340 2,200 1,960 2,060 1,710 2,010 780 1780 937 661 -- 158 120 52.2 79.2Thallium µg/L Dissolved -- <1 -- <1 -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Thallium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1Tin µg/L Dissolved -- 1.06 -- 1.14 -- <1 <1 <1 <1 <1 2.95 <1 -- 1.29 <1 1.67 2.96Tin µg/L Total -- 3.66 1.29 <1 1.34 <1 <1 <1 <1 <1 3.1 <1 -- 2.85 1.72 4.76 6.1Titanium µg/L Dissolved -- 1.42 -- 3.11 -- 6.18 4.79 7.39 8.96 4.86 5.5 4.99 -- 1.06 <1 <1 1.03Titanium µg/L Total -- 3.57 10 2.87 4.58 6.8 4.88 8.42 8.91 5.38 5.2 7.18 -- 9.9 4.53 4.75 17.6Vanadium µg/L Dissolved -- 4.28 -- 4.64 -- 3.46 3.48 4.8 4.93 4.56 3.25 7.53 -- 1.84 <1 <1 <1Vanadium µg/L Total -- 5.18 4.45 4.34 6.62 3.62 4.45 5.41 5.64 4.69 3.01 7.24 -- 3.67 2.42 1.43 1.76Zinc µg/L Dissolved 25 130 -- 129 -- 80.9 39.3 64 104 81.4 68.2 62.5 21 4,650 4,080 1,720 546Zinc µg/L Total 70 181 209 124 116 107 77.9 62.8 105 79.2 66.1 71 120 6,400 7,050 1,930 747

Other ConstituentsOil and Grease mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Perchlorate µg/L N/A <4 -- -- -- -- -- -- -- -- 110 89 23 <4 -- -- -- --N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.01 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.01 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- <0.5 <0.5 <1 <1 <1 <1 <1 <1 <0.5 <0.5 <0.5 -- 0.54 <0.5 <1 <1Benzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,1 Trichloroethane µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.51,1,2,2-Tetrachloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

I-LS-01 I-LS-02

Constituent Units1 Fraction 03/20/02 01/03/03 02/27/03 03/18/03 02/04/04 02/27/04 10/21/04 12/29/04 02/23/05 01/03/06 02/28/06 02/23/07 03/20/02 11/10/02 12/23/02 03/18/03 02/26/04

1,2,3-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.51 4 Dichlorobenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,4-Dichlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A -- <1 <1 <1 <1 <1 <1 <1 <1 <2 <2 <2 -- <1 1 <1 <12-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 -- <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A -- <2 <2 <2 <2 <2 <2 <2 <2 <5 <5 <5 -- <2 <2 <2 <2Acetone µg/L N/A -- 5.7 <2 4.3 <2 <2 <2 3.7 <2 <10 <10 <10 -- 13 7 <2 <2Acrylonitrile µg/L N/A -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2Allyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 <0.5 <0.5 <0.5 -- <0.5 <0.5 1 <0.5Carbon Tetrachloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1 2-Dichloroethene µg/L N/A -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5cis-1,2-Dichloroethene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 <2 <2 -- -- -- -- <2Ethanol µg/L N/A -- -- -- -- <100 <100 <100 <100 <100 <50 <50 <50 -- -- -- -- <100Ethyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 <2 <2 -- -- -- -- <2Hexachloro-1,3-Butadiene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 -- <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.1 <2 <2 <2 <0.5 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5n Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- <2 <2 <2 <2 <2 <2 <2 <2 -- -- -- -- <2

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Sample Number / Date Sampled2

I-LS-01 I-LS-02

Constituent Units1 Fraction 03/20/02 01/03/03 02/27/03 03/18/03 02/04/04 02/27/04 10/21/04 12/29/04 02/23/05 01/03/06 02/28/06 02/23/07 03/20/02 11/10/02 12/23/02 03/18/03 02/26/04

Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- <10 <10 13 <10 <10 <10 <10 <10 -- -- -- -- <10tert-Butylbenzene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- <1 <1 <1 <1 <1 <1 <1 <1 <5 <5 <5 -- <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --y p µg2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --B t l B l Phth l t /L N/AButyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Sample Number / Date Sampled2

I-LS-01 I-LS-02

Constituent Units1 Fraction 03/20/02 01/03/03 02/27/03 03/18/03 02/04/04 02/27/04 10/21/04 12/29/04 02/23/05 01/03/06 02/28/06 02/23/07 03/20/02 11/10/02 12/23/02 03/18/03 02/26/04

Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluorene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pentachlorophenol µg/L N/APentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- -- -- 48,000 -- -- -- -- -- -- -- -- -- 5,000,000 -- 76,000 --Total Coliforms MPN/100 mL N/A 8 -- -- <1.1 -- -- -- -- -- -- -- -- 13 <1.1 -- <1.1 --Fecal Coliform MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- -- <1.1 -- <1.1 --E. coli MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- -- <1.1 -- <1.1 --E. coli + Fecal Coliform MPN/100 mL N/A <2 -- -- -- -- -- -- -- -- <2 <2 -- <2 -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/AH d ( C CO ) /L T t l

I-LS-03

10/21/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

-- -- -- -- -- ---- -- -- -- -- --

0.16 <0.1 <0.1 <0.1 <0.1 <0.1-- -- -- -- -- ---- -- -- -- -- --94 20 <1 27 19 4120 13 5.1 <5 <5 150-- -- -- -- -- --

Hardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/AT t l Di l d S lid /L N/A

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --1 0.48 0.41 <0.1 <0.1 0.26

<0.1 <0.1 <0.1 <0.1 <0.1 <0.1<1 <0.5 <0.5 0.7 <1 <0.53 2.4 1.7 3.5 1.3 1.1-- -- -- -- -- --<1 <0.5 <0.5 0.7 <1 <0.5

<0.1 <0.2 <0.2 <0.2 <0.2 <0.2-- -- -- -- -- ---- -- -- -- -- --

0.73 0.44 0.58 0.42 0.44 2.4-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

170 81 23 83 36 100750 450 180 474 276 328Total Dissolved Solids mg/L N/A

Total Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L DissolvedCadmium µg/L Total

750 450 180 474 276 328-- -- -- -- -- ---- -- -- -- -- --

<25 <25 <25 <25 <25 <25<25 <25 <25 <25 440 <25<1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1

4.77 3.17 4.49 1.68 <0.5 1.635.39 3.15 4.25 1.08 <0.5 0.882140 57.4 13.8 87.7 56.6 84.5141 57.3 13.8 99 61.4 88<1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1

80.4 140 <50 83.4 70.8 7685.2 152 <50 83.7 79.3 78.9<0.2 <0.2 <0.2 <0.2 <0.2 <0.2<0.2 <0.2 <0.2 <0.2 <0.2 <0.2µg

Chromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L Dissolved

<1 1.38 1.31 <1 <1 <1<1 1.36 1.4 <1 <1 <1

0.55 0.57 1 0.32 0.35 0.38<1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1<1 1.32 <1 <1 1.2 <1

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Constituent Units1 FractionCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L Total

I-LS-03

10/21/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

<1 1.26 <1 1.78 <1 1.23<100 <100 <100 145 <100 141<100 101 <100 224 <100 223<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.55.36 1.02 <1 1.09 1.39 1.315.11 <1 1.03 2.23 4.63 1.67

-- -- <0.1 <0.1 <0.1 ---- -- <0.1 <0.1 <0.1 --

3.88 3.26 5.7 1.09 <1 <14.13 3.3 5.64 1.33 <1 <14.5 <2 <2 3.8 <2 2.94 1 <2 <2 3 7 2 2 3 3Nickel µg/L Total

Selenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

Other Constituents

4.1 <2 <2 3.7 2.2 3.31.62 <1 <1 <1 <1 <11.59 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1

3.58 <1 <1 <1 <1 <1617 322 94.3 282 208 319633 321 94.2 436 243 330<1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1<1 <1 1.12 <1 <1 <1

4.75 7.95 4.14 3.6 2.81 2.834.71 7.82 5.18 4.8 3.19 3.588.22 7.66 8.27 5.29 2.46 3.858.91 7.44 7.88 4.93 3.11 3.659.07 8.82 6.89 23.1 23.1 35.28.5 14.2 12.3 37.5 28.8 46.8

Oil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A

Volatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A

-- -- -- -- -- ---- -- -- <2 <2 1.6-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

<0.5 <0.5 <0.5 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.527 17 16 <0.5 <0.5 <0.537 33 34 <0.5 1.6 <0.5

170 93 89 <0.5 1.2 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1 Trichloroethane µg/L N/A

1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A

0.5 0.5 0.5 0.5 0.5 0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1 4 Dichlorobenzene µg/L N/A

I-LS-03

10/21/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5

2 1.2 2.1 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.50.59 <0.5 0.6 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 51,4-Dichlorobenzene µg/L N/A

2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1 2-Dichloroethene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <5 <5 <5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <5 <5 <5<2 2.1 <2 <10 <10 <10<2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.524 19 1.4 1.6 3.5 3.7

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.50.77 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5cis-1,2-Dichloroethene µg/L N/A

cis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/AMethylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2

<100 <100 <100 <50 <50 <50<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <5 <5 <5<0.5 <0.5 1.2 <2 <2 <2<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5n Butylbenzene µg/L N/A

n-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2

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Constituent Units1 FractionTert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/A

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A

I-LS-03

10/21/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

<10 <10 <10 <10 <10 <10<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <5 <5 <5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --y p µg

2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AB t l B l Phth l t /L N/A

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

Butyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/A

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

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Constituent Units1 FractionDi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/A

I-LS-03

10/21/04 12/28/04 02/18/05 01/03/06 02/28/06 02/23/07

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

Pentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/A

Biological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AE. coli + Fecal Coliform MPN/100 mL N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmh2. -- indicates the constituent was not analyzed for. Analytes not detected are indic3. In cases in which the filtered concentrations exceeded the total, the differences a

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

-- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- ---- -- -- -- -- --

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

I-MW-01Constituent Units1 Fraction 11/09/01 01/03/02 03/20/02 10/07/02 10/06/03 06/07/04 10/13/04 02/23/05 10/06/05 06/20/06 10/18/06 10/31/01 03/25/02 10/07/02 11/15/02 02/19/03 10/06/03

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 530 536 261 490 510 510 520 570 520 530 500 312.7 316 340 340 340 370Bicarbonate (as CaCO3) mg/L N/A 647 654 318 490 510 510 520 570 350 530 500 381 385 340 340 340 370Bromide mg/L N/A -- 0.24 0.15 0.19 0.27 0.27 0.25 0.18 0.21 0.25 0.12 -- 0.33 0.28 <0.1 0.25 0.26Calcium mg/L Total 116 120 78 119 124 128 126 150 134 119 111 88.2 96 98.5 94.9 96.1 103Carbonate (as CaCO3) mg/L N/A <2 0.848 1.3 <1 <1 <1 <1 <1 <1 <1 <1 <2 0.397 <1 <1 <1 <1Chloride mg/L N/A 25.73 23 60 27 26 25 22 30 24 19 17 46.58 50 46 39 36 48Chemical Oxygen Demand mg/L N/A <10 <5 7 5.1 <10 <5 <5 7.6 44 <5 <5 131.6 <5 5.1 <5 15 <10Fluoride mg/L N/A 0.56 0.59 0.38 0.61 0.73 0.5 0.58 0.57 0.29 0.52 0.64 0.55 0.67 0.65 0.68 0.79 0.68Hardness (as CaCO3) mg/L Total 550 517 330 490 540 530 510 620 550 480 470 410 416 380 420 390 430

d id ( C CO ) / N/A 2 0 003 0 01 1 1 1 1 1 1 1 1 2 0 003 0 2 1 1 1Hydroxide (as CaCO3) mg/L N/A <2 0.003 0.01 <1 <1 <1 <1 <1 <1 <1 <1 <2 0.003 <0.2 <1 <1 <1Magnesium mg/L Total 63.2 53 33 54.9 56 59.8 54.6 67.1 57.2 54.3 48.6 46.2 43 46.8 43 43.7 45.8MBAS (Surfactants) mg/L N/A -- <0.05 0.054 <0.1 0.19 <0.1 <0.1 <0.1 <0.1 <0.1 0.13 <0.05 0.079 <0.1 <0.1 <0.1 0.11Nitrate (as N) mg/L N/A 11.34 14 3.2 10 14 15 11 16 11 6 4.3 24.365 20 20 15 11 19Nitrite (as N) mg/L N/A <0.03 <0.5 <0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.03 <0.5 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total -- 0.7 1 -- <0.1 <0.1 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.2 -- -- -- <0.1Carbon, Total Organic mg/L N/A 1.8 0.6 2.9 2 2.7 2.7 8.1 2.5 2.4 2.2 2.1 1.68 0.9 1.7 1.6 1.5 1.8Carbon, Dissolved Organic mg/L N/A -- -- -- 3 2.5 4.3 3.8 8.1 3.2 2.6 2.5 -- -- 2.4 2.7 2.6 2.1Nitrogen, Organic mg/L N/A <0.1 0.7 0.663 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.1 <0.2 <0.5 <0.5 <0.5 <0.5Ammonia-Nitrogen mg/L Total <0.1 <0.05 0.337 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.05 <0.1 <0.1 <0.1 <0.1pH pH units N/A 7.48 7.3 7.8 6.99 8.91 6.93 6.58 6.73 6.62 6.47 6.72 8.02 7.2 7.02 7.03 7.3 6.95Phosphorus mg/L Dissolved -- -- -- 0.18 0.17 0.18 0.042 0.18 0.13 0.33 0.19 -- -- 0.29 0.29 0.29 0.29Phosphorus mg/L Total -- -- -- 0.26 0.21 0.19 0.65 0.59 0.51 0.7 0.23 -- -- 0.31 0.34 0.29 0.3Potassium mg/L Total 4.02 1.5 4 1.14 0.87 0.958 0.821 0.783 0.87 0.948 0.608 3.1 1.3 1.06 0.95 1.06 0.98Sodium mg/L Total 94.8 79 78 75.6 92.8 81.5 79.7 88.0 86.7 74.2 76.6 116 120 118 115 120 130Specific Conductance µmhos/cm N/A 1,070 1,120 917 1,100 1,100 1,200 1,300 1,400 1200 990 1100 1,340 1,110 1,200 1,100 1,200 1,100Sulfate mg/L N/A 85.68 81 150 85 97 95 88 110 90 76 63 157.72 150 170 130 130 150Total Dissolved Solids mg/L N/A 718 750 630 770 760 760 750 840 740 695 650 882 760 750 760 690 770T t l S d d S lid /L N/A 130 30 93 7 1 56 100 13 11 76 12 19 1667 10 1 9 540 2 8 1 9Total Suspended Solids mg/L N/A 130 30 93 7.1 56 100 13 11 76 12 19 1667 10 1.9 540 2.8 1.9Turbidity NTU N/A 85.8 23 258 9.7 56 28 6.1 16 42 19 7 454 21 0.97 640 1.5 2.2

Metals3

Aluminum µg/L Dissolved -- <0.025 -- <50 <50 <50 <25 <25 <25 <25 <25 -- -- <50 <50 <50 <50Aluminum µg/L Total -- 8.8 -- 189 3,680 1,140 296 287 1230 308 501 -- -- <50 <50 <50 138Antimony µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Antimony µg/L Total -- <1 -- 1.33 <1 <1 1.17 <1 <1 <1 <1 -- -- <1 1.26 <1 <1Arsenic µg/L Dissolved -- 1.2 1.4 1.35 1.09 <0.5 0.758 <0.5 1.03 1.17 1.04 <5 2 <1 1.14 <1 1.19Arsenic µg/L Total <5 3.5 4.3 1.46 1.86 1.31 0.649 0.753 1.8 1.23 1.07 5.15 <2 1.06 1.29 <1 0.933Barium µg/L Dissolved -- 37 -- 46.9 58.6 67 60.6 79.3 81 62.3 62.3 -- -- 54 52.4 55.7 55.4Barium µg/L Total -- 47 -- 55.5 92.8 82.9 69.9 87.4 98.1 63.8 69 -- -- 57.8 57.2 53.6 57.9Beryllium µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <5 <1Beryllium µg/L Total -- <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <5 <1Boron µg/L Dissolved -- 190 -- 210 209 200 169 168 213 202 190 202 -- 142 147 178 196Boron µg/L Total <100 200 150 210 225 206 170 176 227 235 190 282 200 160 163 172 191Cadmium µg/L Dissolved -- -- -- <0.5 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 -- -- <0.5 <0.5 <0.5 <0.2Cadmium µg/L Total <1 <0.5 <0.5 0.751 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <1 <0.5 <0.5 <0.5 <0.5 <0.2Chromium µg/L Dissolved 24 16 11 7.88 3.2 23.5 22.4 21.9 12.5 14.3 12 23.5 3 2.09 4.68 4.17 3.45µgChromium µg/L Total 27.4 32 24 23.8 33.3 28.5 23.3 24.3 22 14.9 21.9 29.4 8.1 5.07 6.7 4.77 6.83Chromium, Hexavalent µg/L Dissolved 17 19.8 11.9 5.6 <0.2 21 24 24 16 14 13 <10 2 1 4.2 3.6 0.77Cobalt µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Cobalt µg/L Total -- -- -- <1 2.36 1.25 <1 <1 1.09 <1 <1 -- -- <1 <1 <1 <1Copper µg/L Dissolved 5.22 <2 2 4.45 <1 <1 <1 <1 <1 <1 <1 38.5 <2 1.73 3.88 1.6 <1Copper µg/L Total 20.8 5.1 11 3.79 6.77 3.38 <1 1.99 2.86 <1 1.16 47.3 2.7 1.69 5.27 1.49 1.32

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Sample Number / Date Sampled2

I-MW-01Constituent Units1 Fraction 11/09/01 01/03/02 03/20/02 10/07/02 10/06/03 06/07/04 10/13/04 02/23/05 10/06/05 06/20/06 10/18/06 10/31/01 03/25/02 10/07/02 11/15/02 02/19/03 10/06/03

Iron µg/L Dissolved -- <0.1 -- -- <100 <100 <100 <100 <100 <100 -- -- -- -- -- --Iron µg/L Total -- 1 -- -- <100 2,520 445 539 1850 375 791 -- -- -- -- -- <100Lead µg/L Dissolved -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 -- <0.5 <0.5 <0.5 <0.5Lead µg/L Total <5 1.5 3 <0.5 1.76 1.14 <0.5 <0.5 1.25 <0.5 <0.5 11.2 <0.5 <0.5 0.98 <0.5 <0.5Manganese µg/L Dissolved -- 70 -- 9.94 22.4 21.5 4.31 1.09 10.9 10.2 34.7 -- -- 5.34 3.19 3.22 5.9Manganese µg/L Total -- 73 -- 16.5 87.1 57.5 8.21 9.89 38.8 15.8 49.3 -- -- 5.41 5.03 3.55 11.6Mercury µg/L Dissolved -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- -- <0.1 -- <0.1 <0.1Mercury µg/L Total <1 <0.2 <0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <1 <0.2 <0.1 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved -- -- -- 11.6 13.3 12.9 11.8 13.2 12.8 13.1 14.4 -- -- 12.5 10.7 12.3 13.2Molybdenum µg/L Total -- -- -- 13.2 14.3 13.6 13.2 14 12 12.9 14.8 -- -- 13.3 13.1 12 13.4Nickel µg/L Dissolved <5 <5 <5 1.49 6.2 3.5 3.9 3.8 4.9 3 3.4 10.6 -- 1.61 2.32 2.64 4.9Nickel µg/L Total 9.49 9.6 12 2.15 12 6.4 4.6 4.6 8.5 3.2 7.2 23.9 <5 1.72 2.69 2.58 5.4Selenium µg/L Dissolved -- -- -- <5 5.87 3.87 2.75 3.54 2.32 1.39 1.62 -- -- <5 <5 <5 2.71

l i lSelenium µg/L Total -- <10 -- <5 7.46 3.19 2.56 3.95 2.05 1.25 1.68 -- -- <5 <5 <5 4Silver µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Silver µg/L Total -- <0.5 -- <1 <1 <1 4.03 <1 <1 <1 <1 -- -- <1 <1 <1 <1Strontium µg/L Dissolved -- -- -- 555 728 711 623 813 677 625 622 -- -- 447 426 417 554Strontium µg/L Total -- -- -- 633 779 727 652 845 716 612 644 -- -- 503 492 403 554Thallium µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Thallium µg/L Total -- <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Tin µg/L Dissolved -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Tin µg/L Total -- -- -- <1 <1 <1 <1 <1 <1 <1 <1 -- -- <1 <1 <1 <1Titanium µg/L Dissolved -- -- -- <1 1.65 3.4 2.25 3.25 3.29 3.1 2.25 -- -- <1 <1 1.3 1.88Titanium µg/L Total -- -- -- 9.51 181 84.4 16.3 22.8 64 16.2 28.3 -- -- 1.38 2.42 2.29 7.54Vanadium µg/L Dissolved -- -- -- 2.4 3.23 1.64 1.4 1.31 3.54 2.78 4.27 -- -- 2.69 2.9 3.04 3.94Vanadium µg/L Total -- -- -- 3.54 17 7.58 1.95 2.47 7.85 3.45 5.87 -- -- 3.26 3.51 2.89 3.35Zinc µg/L Dissolved -- 27 38 75.3 26.7 <5 <5 <5 <5 11.3 15.8 400 16 33.3 27.9 12.5 19.5Zinc µg/L Total <50 20 73 80.1 45.9 11.2 5.83 18.6 11.3 8.55 24.3 400 15 38.1 26.4 12.9 18.2

Other ConstituentsOil and Grease mg/L N/A <1 <3 <3 <1 <1 <1 1 <1 -- <1 <1 <1 <3 <1 <1 1.7 <1Perchlorate µg/L N/A <4 4.4 <4 4.1 3.4 6.9 <2 8.2 5.6 2.2 2.4 9.9 8.2 15 <2 -- 11Perchlorate µg/L N/A 4 4.4 4 4.1 3.4 6.9 2 8.2 5.6 2.2 2.4 9.9 8.2 15 2 11N-Nitrosodimethylamine (NDMA) ng/L N/A <3,000 <2 3.7 <2 <10 <10 -- -- -- -- -- <3,000 24 <2 <2 <10 <10Glyphosate µg/L N/A -- -- -- <6 -- -- -- -- -- -- -- -- -- <6 -- <6 --1,4-Dioxane µg/L N/A -- -- -- 11 -- -- -- -- -- -- -- -- -- 33 72 61 --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.01 <0.01 <0.01 <0.01 <0.5 <0.5 <0.5 <0.5 <2 -- <2 <0.01 <0.01 <0.01 <0.02 <0.02 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A -- -- -- <1 <0.5 <1 <1 <1 <0.5 <0.5 <0.5 -- -- 1.3 1.1 0.73 1.1Benzene µg/L N/A -- -- -- 2.4 3.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.1 <0.5 2.6 1.1Toluene µg/L N/A <0.5 2.4 <0.5 7.5 1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 4.6 <0.5 16 0.55Ethylbenzene µg/L N/A -- -- -- 1.4 2.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.2 <0.5 9.3 1.3o-Xylene µg/L N/A -- -- -- 10 5.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 6.9 <0.5 19 3.3p/m-Xylene µg/L N/A -- -- -- 7.6 6.7 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 6.5 <0.5 33 4.1Trichloroethylene (TCE) µg/L N/A 2.2 3.9 <0.5 6.5 3.4 5.4 4.3 16 10 10 6.4 <0.5 47 39 44 42 39Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 54 0.73 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 38 <0.5 3.2 <0.51,1,1,2-Tetrachloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51 1 2-Trichloro-1 2 2-Trifluoroethane µg/L N/A -- -- -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- -- <0 5 <0 5 <0 5 <0 51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

I-MW-01Constituent Units1 Fraction 11/09/01 01/03/02 03/20/02 10/07/02 10/06/03 06/07/04 10/13/04 02/23/05 10/06/05 06/20/06 10/18/06 10/31/01 03/25/02 10/07/02 11/15/02 02/19/03 10/06/03

1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A -- -- -- <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A -- -- -- 1.4 1.9 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.3 <0.5 6.9 1.31,2-Dibromoethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A -- -- -- 1.3 0.81 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- 1.1 <0.5 3 0.561,3-Dichlorobenzene µg/L N/A -- -- -- <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5

( h l h l k ) /2-Butanone (Methylethyl ketone) µg/L N/A -- -- -- <1 <2 <1 <1 <1 <2 <2 <2 -- -- <1 <1 <1 <22-Chlorotoluene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A -- -- -- <0.5 <5 <0.5 <0.5 <0.5 <5 <5 <5 -- -- <0.5 <0.5 <0.5 <54-Chlorotoluene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A -- -- -- <2 <5 <2 <2 <2 <5 <5 <5 -- -- <2 <2 <2 <5Acetone µg/L N/A -- -- -- <2 <10 <2 <2 2.7 <10 <10 <10 -- -- <2 2.5 <2 <10Acrylonitrile µg/L N/A -- -- -- <2 <2 <2 <2 <2 <2 <2 <2 -- -- <2 <2 <2 <2Allyl Chloride µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A 1 <0.5 0.7 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A 0.6 <0.5 6.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.2 <0.5 0.56 0.59 <0.5cis-1,2-Dichloroethene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Dib hl th /L N/A 1 5 <0 5 4 4 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Dibromochloromethane µg/L N/A 1.5 <0.5 4.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 6.4 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- --Ethanol µg/L N/A -- -- -- -- -- <100 <100 <100 <50 <50 <50 -- -- -- -- -- --Ethyl Methacrylate µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- --Hexachloro-1,3-Butadiene µg/L N/A -- -- -- <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <0.5 <0.5Iodomethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A -- -- -- <0.5 <5 <0.5 <0.5 <0.5 <5 <5 <5 -- -- <0.5 <0.5 <0.5 <5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <2Naphthalene µg/L N/A -- -- -- <10 2.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <10 <0.5 <10 1.6n-Butylbenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 0.75 <0.5p Isopropyltoluene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5p-Isopropyltoluene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A -- -- -- -- -- <2 <2 <2 <2 <2 <2 -- -- -- -- -- --Tert-Butyl Alcohol (TBA) µg/L N/A -- -- -- -- -- <10 <10 <10 <10 <10 <10 -- -- -- -- -- --

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Sample Number / Date Sampled2

I-MW-01Constituent Units1 Fraction 11/09/01 01/03/02 03/20/02 10/07/02 10/06/03 06/07/04 10/13/04 02/23/05 10/06/05 06/20/06 10/18/06 10/31/01 03/25/02 10/07/02 11/15/02 02/19/03 10/06/03

tert-Butylbenzene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A -- -- -- <1 <5 <1 <1 <1 <5 <5 <5 -- -- <1 <1 <1 <5trans-1,3-Dichloropropene µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A -- -- -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4,5-Trichlorophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4,6-Trichlorophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4-Dichlorophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4-Dimethylphenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4-Dinitrophenol µg/L N/A -- -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <502,4-Dinitrotoluene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,4-Dinitrotoluene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102,6-Dinitrotoluene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Chloronaphthalene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Chlorophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Methylnaphthalene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Methylphenol (o-Cresol) µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Nitroaniline µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <102-Nitrophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <103,3'-Dichlorobenzidine µg/L N/A -- -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <253-Nitroaniline µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <504-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Chloro-3-Methylphenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Chloroaniline µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Methylphenol (p-Cresol) µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Nitroaniline µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <104-Nitrophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Acenaphthene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Acenaphthene µg/L N/A 10 10 10 10 10 10 10Acenaphthylene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Aniline µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Anthracene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Azobenzene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzidine µg/L N/A -- -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50Benzo (a) Anthracene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzo (a) Pyrene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzo (b) Fluoranthene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzo (g,h,i) Perylene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzo (k) Fluoranthene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Benzoic acid µg/L N/A -- -- -- <50 <50 <50 -- -- -- -- -- -- -- <50 <50 <50 <50Benzyl alcohol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Bis(2-Ethylhexyl) Phthalate µg/L N/A <3 <4 -- <10 13 <10 -- -- -- -- -- 202.3 -- <10 <10 <10 10Butyl Benzyl Phthalate µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Chrysene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10y µgDibenz (a,h) Anthracene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Dibenzofuran µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Diethyl Phthalate µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Dimethyl Phthalate µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Di-n-Butyl Phthalate µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Di-n-Octyl Phthalate µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10

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Sample Number / Date Sampled2

I-MW-01Constituent Units1 Fraction 11/09/01 01/03/02 03/20/02 10/07/02 10/06/03 06/07/04 10/13/04 02/23/05 10/06/05 06/20/06 10/18/06 10/31/01 03/25/02 10/07/02 11/15/02 02/19/03 10/06/03

Fluoranthene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Fluorene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Hexachlorobenzene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Hexachlorocyclopentadiene µg/L N/A -- -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25Hexachloroethane µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Isophorone µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Nitrobenzene µg/L N/A -- -- -- <25 <25 <25 -- -- -- -- -- -- -- <25 <25 <25 <25N-Nitroso-di-n-propylamine µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10N-Nitrosodiphenylamine µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Pentachlorophenol µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Phenanthrene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Phenol µg/L N/A -- <5 <5 <10 <10 <10 -- -- -- -- -- -- 18 <10 <10 <10 <10

/Pyrene µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10Pyridine µg/L N/A -- -- -- <10 <10 <10 -- -- -- -- -- -- -- <10 <10 <10 <10

Biological ParametersHeterotrophic Plate Count CFU/mL N/A >5,700 540 >5,700 36,000 -- -- -- -- -- -- -- >5,700 -- 33,000 72,000 2,200 --Total Coliforms MPN/100 mL N/A 800 <2 <2 <1.1 -- -- -- -- -- -- -- 11 110 <1 <1.1 <1.1 --Fecal Coliform MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- -- <1.1 <1.1 <1.1 --E. coli MPN/100 mL N/A -- -- -- <1.1 -- -- -- -- -- -- -- -- -- <1 <1.1 <1.1 --E. coli + Fecal Coliform MPN/100 mL N/A <2 <2 <2 -- -- -- -- -- -- -- -- <2 <2 -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/AHardness (as CaCO3) mg/L Total

d id ( C CO ) / N/A

I-MW-0202/06/04 03/01/04 06/07/04 10/13/04 10/22/04 12/30/04 02/23/05 10/06/05 01/05/06 03/06/06 06/20/06 10/18/06 02/26/07 06/14/07

360 370 370 370 340 340 320 340 360 540 340 380 388 398360 370 370 370 340 340 320 340 360 540 340 380 388 3980.29 0.12 0.27 0.33 0.29 0.18 <0.1 0.27 0.24 0.21 0.23 0.32 0.42 0.34104 88.8 93.8 101 94.2 90.2 63.3 84.2 91.1 131.0 77.7 108.0 106.0 113.0<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <145 32 43 45 40 38 29 34 41 27 36 44 40 49<5 15 13 28 <5 23 7.6 13 15 <5 <5 <5 <5 <5

0.65 0.6 0.56 0.6 0.64 0.66 0.62 0.28 0.62 0.79 0.57 0.64 0.75 0.73420 380 410 460 400 390 290 350 380 510 330 470 510 510

1 1 1 1 1 1 1 1 1 1 1 1 1 1Hydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/ATotal Dissolved Solids mg/L N/AT t l S d d S lid /L N/A

<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <146.2 41 45.4 46.1 43.8 42.3 28.8 38.3 42.4 55.8 37.2 49.3 48.0 50.80.15 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.27 <0.1 <0.116 9.6 16 22 19 15 7.2 12 16 9.3 11 22 20 25

<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.10.42 <0.5 <0.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.56 <0.5 <0.5 <0.5 0.5610 1.8 2.2 3 1.7 2.1 1.6 1.8 1.4 2.2 1.7 1.8 3.3 2.38.6 2.6 3.2 2.5 1.3 2.4 3.1 2.4 2.3 3.2 1.8 2.6 4.8 1.2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.56 <0.5 <0.5 <0.5 <0.5<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.146.97 6.83 6.94 6.6 6.88 6.69 6.86 6.64 6.74 6.47 6.68 6.7 6.63 6.660.29 0.3 0.28 0.32 0.56 0.3 0.26 0.38 0.36 0.3 0.4 0.25 0.37 0.290.33 0.31 0.35 0.49 0.69 0.31 0.7 0.55 0.58 0.8 0.92 0.28 1.1 0.491.14 0.963 0.945 1.03 1.13 1.11 0.667 0.892 0.897 0.847 0.927 0.841 0.994 1.13114 109 111 112 102 109 88 104 108 81 92 115 117 120.0

1,200 1,000 1,200 1,300 1,200 1100 880 1000 1000 1100 910 1200 1100 1300150 110 140 160 140 140 99 110 140 92 96 150 150 170690 670 730 790 770 710 500 630 677 903 613 780 750 87314 41 6 1 4 <1 1 1 8 <1 <1 15 1 2 7 1 2 1 4Total Suspended Solids mg/L N/A

Turbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L DissolvedCadmium µg/L TotalChromium µg/L Dissolved

14 41 6 1.4 <1 1 1.8 <1 <1 15 1 2.7 1.2 1.410 1.9 1.8 0.5 1.8 1.8 1.6 0.72 1.7 12 1.5 0.67 2.7 0.61

<50 <50 <50 <25 <25 <25 <25 <25 <0.025 <25 <25 <25 <25 <25122 495 <50 <25 <25 <25 <25 <25 <0.025 187 <25 <25 81.5 <25<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

<0.5 1.67 <0.5 0.961 0.828 1.33 0.601 0.899 1.69 0.7 1.15 1.03 1.21 0.587<0.5 1.96 <0.5 1.41 0.971 1.53 0.631 1.04 2.17 1.21 1.14 1.1 1.04 0.82662.5 55.4 61.8 59.5 69.1 53.2 40.8 60 49.7 74.4 45.4 73.7 66.5 72.965.9 59.8 62.6 63.8 73.2 54.3 45.5 62 54.8 77.6 49 72.8 71.1 78<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1168 160 170 155 170 201 158 191 170 192 149 164 181 237172 164 177 186 170 247 154 195 191 206 166 156 187 224<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.25.1 6.4 5.14 4.16 4.25 5.33 4.58 3.58 <1 14.1 2.97 2.02 2.96 4.03µg

Chromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L DissolvedCopper µg/L Total

6.73 7.47 4.9 4.35 4.34 5.57 5.21 3.94 <1 16.2 3.43 1.93 4.74 4.993 4.6 4.4 4 3.9 4.1 3.9 3.6 3.8 18 3.2 3.6 3.5 3.6

<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 1.02 <1 <1 <1 <1 <1 <1 <1 <1<1 2.83 <1 1.78 <1 <1 <1 1.02 <1 35 <1 <1 <1 <1

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Constituent Units1 FractionIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L Dissolved

l i l

I-MW-0202/06/04 03/01/04 06/07/04 10/13/04 10/22/04 12/30/04 02/23/05 10/06/05 01/05/06 03/06/06 06/20/06 10/18/06 02/26/07 06/14/07

<100 104 <100 <100 <100 <100 <100 <100 241 219 <100 <100 133 281366 493 <100 <100 <100 108 <100 <100 319 427 <100 <100 268 314<0.5 0.816 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 2.01 0.596 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52.72 1.8 1.56 1.64 5.38 5.38 <1 1.25 1.27 2.38 2.32 5.36 3.59 3.15.87 11.4 2.64 1.96 6.54 5.62 2.21 1.69 2.13 7.51 3.27 4.91 6.03 4.25<0.1 <0.1 <0.1 <0.1 0.154 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.1 <0.1 <0.1 <0.1 0.181 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.113.8 13.6 13 11.9 12.3 13.4 15 12.3 13.7 13.5 12.2 13.5 10.3 11.214.2 14.2 13 12.4 12.5 13.6 15.9 13.2 15.7 14 12.9 13.2 11.1 11.64.4 2.42 3.1 3.7 3.8 3.1 <2 3.5 3.3 2.8 2.1 3.4 2 4.55 3.01 3.2 3.7 4.1 2.8 2.2 3.5 3.5 73 2.2 3.2 2.8 4

<1 4.57 <1 <1 1.85 2.02 1.02 <1 1.08 1.98 <1 2.18 2.26 <1Selenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/A

<1 4.32 <1 <1 2.25 2.43 1.84 <1 1.11 2.89 <1 1.78 2.68 1.24<1 <1 <1 <1 1.06 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 1.79 <1 <1 <1 <1 <1 <1 <1 <1 <1514 473 522 503 516 478 352 435 410 627 390 614 512 589527 498 510 539 534 487 381 452 478 680 407 599 540 593<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

3.45 3.72 3.43 2.2 2.73 3.19 3 3.35 2.03 2.31 2.93 2.47 2.79 5.299.58 34.7 4.6 2.94 4.57 4.32 5.32 4.02 3.35 9.21 4.67 3.45 5.88 5.842.98 3.21 2.47 2.48 2.41 2.75 1.65 4.14 3.53 1.77 3.23 4.44 3.73 5.693.12 4.36 2.53 2.63 2.64 3.19 2.41 4.33 3.98 2.41 3.31 5 4.22 7.199.17 <5 <5 <5 <5 11 15 6.53 6.61 <5 10.9 26.2 <5 9.188.42 <5 <5 <5 <5 11.6 22.5 7.89 9.97 <5 11 188 26.8 29.9

<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1<2 7.5 10 5.1 9.9 8.3 <2 5.9 7.3 4.9 4.9 13 11 14Perchlorate µg/L N/A

N-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A

Volatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1 1 2-Trichloro-1 2 2-Trifluoroethane µg/L N/A

2 7.5 10 5.1 9.9 8.3 2 5.9 7.3 4.9 4.9 13 11 14<10 <10 <10 -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <2 <2 <2 -- <2 <2 <2

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <4 <1 <1 <1 <0.5 <0.5 <0.5 <0.5 0.56 <0.5 0.5

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.569 53 56 79 71 88 27 39 61 11 44 70 78 79

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <2 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A

1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A

( h l h l k ) /

I-MW-0202/06/04 03/01/04 06/07/04 10/13/04 10/22/04 12/30/04 02/23/05 10/06/05 01/05/06 03/06/06 06/20/06 10/18/06 02/26/07 06/14/07

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADib hl th /L N/A

<1 <1 <1 <4 <1 <1 <1 <2 <2 <2 <2 <2 <2 <2<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <5 <5 <5 <5 <5 <5 <5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <8 <2 <2 <2 <5 <5 <5 <5 <5 <5 <5<2 <2 <2 <8 <2 <2 3.1 <10 <10 <10 <10 <10 <10 <10<2 <2 <2 <8 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 0.65 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <2 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Dibromochloromethane µg/L N/A

Dibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/AMethylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap Isopropyltoluene µg/L N/A

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <8 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<100 <100 <100 <400 <100 <100 <100 <50 <50 <50 <50 <50 <50 <50<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <8 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <5 <5 <5 <5 <5 <5 <5<0.5 <0.5 <0.5 2.9 <0.5 <0.5 <0.5 <2 <2 <2 <2 <2 <2 <2<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <2 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5p-Isopropyltoluene µg/L N/A

sec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/A

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <8 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<10 <10 <10 <40 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10

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Constituent Units1 Fractiontert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/A

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A

I-MW-0202/06/04 03/01/04 06/07/04 10/13/04 10/22/04 12/30/04 02/23/05 10/06/05 01/05/06 03/06/06 06/20/06 10/18/06 02/26/07 06/14/07

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <4 <1 <1 <1 <5 <5 <5 <5 <5 <5 <5

<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<50 <50 <50 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A

2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/A

<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<25 <25 <25 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<50 <50 <50 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A

Acenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/A

10 10 10<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<50 <50 <50 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<50 <50 <50 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<25 <25 <25 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --y µg

Dibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/A

<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --

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Constituent Units1 FractionFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/A

/

I-MW-0202/06/04 03/01/04 06/07/04 10/13/04 10/22/04 12/30/04 02/23/05 10/06/05 01/05/06 03/06/06 06/20/06 10/18/06 02/26/07 06/14/07

<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<25 <25 <25 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<25 <25 <25 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --

Pyrene µg/L N/APyridine µg/L N/A

Biological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AE. coli + Fecal Coliform MPN/100 mL N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmh2. -- indicates the constituent was not analyzed for. Analytes not detected are indic3. In cases in which the filtered concentrations exceeded the total, the differences a

<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --<10 <10 <10 -- -- -- -- -- -- -- -- -- -- --

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 73 230 60 76 210 -- 76 -- 10 99 56 76 530Bicarbonate (as CaCO3) mg/L N/A 73 110 40 76 <1 -- 76 -- 10 99 56 76 <1Bromide mg/L N/A 0.2 0.23 0.24 0.3 0.66 -- 0.3 -- 0.22 0.45 0.51 0.35 1.7Calcium mg/L Total 72 85.5 235 112 229 -- 112 -- 88.7 174 175 129 190Carbonate (as CaCO3) mg/L N/A <1 120 20 <1 100 -- <1 -- <1 <1 <1 <1 100Chloride mg/L N/A 50 35 46 66 100 -- 66 -- 50 70 55 72 65Chemical Oxygen Demand mg/L N/A 570 650 570 1,700 3,400 -- 1,700 -- 420 780 470 1,500 2,100Fluoride mg/L N/A 0.47 0.5 0.17 0.37 0.27 -- 0.37 -- 0.44 0.54 0.28 0.37 0.38Hardness (as CaCO3) mg/L Total 200 330 620 310 540 -- 310 -- 320 520 500 380 640Hydroxide (as CaCO3) mg/L N/A <1 <1 <1 <1 110 -- <1 -- <1 <1 <1 <1 430Magnesium mg/L Total 4.37 7 6.09 3.2 0.938 -- 3.2 -- 5.26 17 6.45 4.93 0.268MBAS (Surfactants) mg/L N/A 1.3 1.3 0.48 1.2 1.7 -- 1.2 -- 1.4 1.7 0.86 1.4 1.5Nitrate (as N) mg/L N/A 2.7 2.7 1.6 4.1 4.2 -- 4.1 -- 3.6 3.7 3.2 4.2 3.4Nitrite (as N) mg/L N/A 0.12 2.3 0.24 0.22 <0.1 -- 0.22 -- 0.17 2.8 0.32 0.24 0.22Total Kjeldahl Nitrogen mg/L Total 7.3 6.4 6.6 8 11 -- 8 -- 9.1 8.3 9.5 9.5 9.4Carbon, Total Organic mg/L N/A 120 110 140 470 140 -- 470 -- 110 200 120 390 470Carbon, Dissolved Organic mg/L N/A 110 96 130 550 130 -- 550 -- 97 180 99 410 440Nitrogen, Organic mg/L N/A 6.5 5.1 5.4 6.7 9.1 -- 6.7 -- 8.2 7.2 7 7.8 7.6Ammonia-Nitrogen mg/L Total 0.84 1.3 1.2 1.3 1.9 -- 1.3 -- 0.91 1.1 2.5 1.7 1.8pH pH units N/A 8.01 8.8 8.93 8.87 11.15 -- 8.87 -- 5.63 7.14 7.68 8.99 11.6Phosphorus mg/L Dissolved 0.15 0.13 0.55 0.63 0.25 -- 0.63 -- 0.056 0.23 0.53 0.62 0.3Phosphorus mg/L Total 0.46 0.4 0.8 0.67 1.8 -- 0.67 -- 0.22 0.28 0.72 0.65 1.9P i /L T t l 25 9 25 3 19 9 25 2 24 2 25 2 22 8 33 6 21 3 27 19 5Potassium mg/L Total 25.9 25.3 19.9 25.2 24.2 -- 25.2 -- 22.8 33.6 21.3 27 19.5Sodium mg/L Total 72.2 88.1 52.3 73.2 165 -- 73.2 -- 60.2 137 65.2 78.1 301Specific Conductance µmhos/cm N/A 760 930 1,300 1,000 2,000 -- 1,000 -- 950 1,500 1,100 1,100 3,200Sulfate mg/L N/A 200 310 520 240 500 -- 240 -- 360 570 430 290 430Total Dissolved Solids mg/L N/A 520 700 1,100 720 1,400 -- 720 -- 670 1,200 920 890 1,400Total Suspended Solids mg/L N/A 61 440 320 210 1,200 -- 210 -- 170 240 100 120 1,200Turbidity NTU N/A 77 430 110 200 440 -- 200 -- 190 390 85 150 450

Metals3

Aluminum µg/L Dissolved <50 <50 76.5 116 248 -- 116 -- <50 <50 <25 113 379Aluminum µg/L Total 434 8,360 2,380 1,830 5,930 -- 1,830 -- 868 3,410 956 1,520 5,620Antimony µg/L Dissolved 12.8 16.7 12.2 14.7 29.2 -- 14.7 -- 7.26 16.4 17.2 15.3 20.9Antimony µg/L Total 16 42.2 26.2 19.1 42.5 -- 19.1 -- 18.5 34.4 24.9 17.7 39Arsenic µg/L Dissolved <0.5 1.22 2.96 1.77 2.03 -- 1.77 -- <0.5 <0.5 2.66 1.52 2.94Arsenic µg/L Total 1.72 11.9 6.9 4.41 9.35 -- 4.41 -- 5.4 6.18 5.5 4.16 10.3Barium µg/L Dissolved 23 57.1 29.1 24.6 41.4 -- 24.6 -- 40.1 79.3 54.1 28.6 37.6Barium µg/L Total 46.2 324 122 125 353 -- 125 -- 78.6 199 83.3 109 391Beryllium µg/L Dissolved <1 <1 <1 <1 <1 -- <1 -- <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 <5 <1 <1 -- <1 -- <1 <1 <1 <1 <1Boron µg/L Dissolved 1,630 986 465 913 807 -- 913 -- 1,640 911 861 965 687Boron µg/L Total 1,660 1,070 590 877 888 -- 877 -- 1,760 884 786 922 778Cadmium µg/L Dissolved 2.48 0.737 3.26 3.36 0.627 -- 3.36 -- 14.1 5.17 11.8 3.39 0.285

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STORM WATER ANALYTICAL RESULTS − METAL RECYCLER

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Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

Cadmium µg/L Total 9.1 17.5 15.1 10 24.1 -- 10 -- 19.1 12.5 24.1 11 46.4Chromium µg/L Dissolved 16.7 12.7 8.95 15.6 75.5 -- 15.6 -- 3.53 2.99 4.19 14.3 48.3Chromium µg/L Total 56.9 76.1 22.7 28.2 144 -- 28.2 -- 59.8 36.7 21.5 25.2 111Chromium, Hexavalent µg/L Dissolved 12 11 6.3 11 74 -- 11 -- 0.32 <0.2 0.72 8.9 52Cobalt µg/L Dissolved 2.68 1.33 2.7 12.6 4.8 -- 12.6 -- 11.2 8.29 6.64 11.9 2.87Cobalt µg/L Total 4.23 11.7 5.97 18.2 14.7 -- 18.2 -- 14.4 11.6 8.7 16.1 11.5Copper µg/L Dissolved 116 87.2 59.7 158 97.3 -- 158 -- 58.4 47 58.3 153 87.4Copper µg/L Total 192 792 148 238 293 -- 238 -- 223 330 124 219 303Iron µg/L Dissolved 357 351 261 626 190 -- 626 -- 27,400 142 263 646 238Iron µg/L Total 6,560 34,500 4,960 8,960 18,000 -- 8,960 -- 70,900 31,500 6,410 7,620 20,900Lead µg/L Dissolved 11.8 27.9 47.1 25.5 120 -- 25.5 -- 6.16 3.69 16.6 26.7 185Lead µg/L Total 292 3,020 834 511 1,430 -- 511 -- 486 1,560 526 460 1,500Manganese µg/L Dissolved 140 54.8 72.7 32.3 20.3 -- 32.3 -- 1,010 711 285 76 17.3Manganese µg/L Total 189 593 172 151 296 -- 151 -- 1,180 827 325 179 289Mercury µg/L Dissolved 0.219 0.235 0.175 <0.1 <0.1 -- <0.1 -- 0.18 0.279 0.237 <0.1 <0.1Mercury µg/L Total 1.48 8.19 1.97 0.994 6.81 -- 0.994 -- 3.48 3.92 1.79 1 3.9Molybdenum µg/L Dissolved 53.7 101 50.6 58.2 84.3 -- 58.2 -- 3.16 116 432 55.8 73.7Molybdenum µg/L Total 56.6 110 52.3 57.3 78.5 -- 57.3 -- 41.6 130 398 54.9 70.2Nickel µg/L Dissolved 420 47 38 47 32 -- 47 -- 230 68 51 54 21Nickel µg/L Total 500 120 61 65 94 -- 65 -- 270 90 63 66 85Selenium µg/L Dissolved <1 10.8 5.14 5.77 7.36 -- 5.77 -- 2.76 15.7 6.87 6.18 7.02Selenium µg/L Total <1 13.7 6.52 5.15 7.12 -- 5.15 -- 6.95 14.2 6.33 5.39 7.31Silver µg/L Dissolved <1 <1 <1 <1 <1 -- <1 -- <1 <1 <1 <1 <1Silver µg/L Total <1 1.66 <5 2.87 5.43 -- 2.87 -- <1 1.2 2.28 1.08 6.14Strontium µg/L Dissolved 307 284 528 587 1,240 -- 587 -- 383 556 531 627 879Strontium µg/L Total 327 484 589 613 1,430 -- 613 -- 419 556 507 644 1,050Th lli /L Di l d <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Dissolved <1 <1 <1 <1 <1 -- <1 -- <1 <1 <1 <1 <1Thallium µg/L Total <1 <1 <5 <1 <1 -- <1 -- <1 <1 <1 <1 <1Tin µg/L Dissolved <1 <1 1.42 1.54 3.54 -- 1.54 -- <1 <1 <1 1.29 2.29Tin µg/L Total 4.44 30 16.2 13.5 20.5 -- 13.5 -- 4.9 23.5 8.09 10.5 21Titanium µg/L Dissolved 2.5 3.44 4.4 7.69 6.17 -- 7.69 -- 2.13 4.06 1.76 8.05 3.7Titanium µg/L Total 32.7 492 135 108 345 -- 108 -- 57.3 223 52.8 92.7 352Vanadium µg/L Dissolved <1 1.86 2.5 2.62 7.67 -- 2.62 -- <1 <1 <1 3.03 7.52Vanadium µg/L Total 4.42 35.6 8.75 8.79 28.3 -- 8.79 -- 4.65 16.8 3.94 7.83 26.7Zinc µg/L Dissolved 244 33 230 69.3 16.9 -- 69.3 -- 1,550 696 991 145 26.6Zinc µg/L Total 1,090 2,110 2,110 957 3,220 -- 957 -- 2,790 1,410 2,240 1,170 2,690

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STORM WATER ANALYTICAL RESULTS − METAL RECYCLER

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Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

Other ConstituentsOil and Grease mg/L N/A 49 84 49 29 390 -- 29 -- 27 59 28 17 170Perchlorate µg/L N/A <2 25 15 50 120 -- 50 -- <2 32 29 170 170N-Nitrosodimethylamine (NDMA) ng/L N/A <2 -- -- -- -- -- -- <2 -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A <2 -- -- -- -- -- -- <2 -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5M h l B l E h (MTBE) / N/A 1 1 1 3 1 1 20 1 1 1 1 1 1 1 1 7Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 1.3 <1 <1 <20 1.1 <1 <1 <1 <1 <1 1.7Benzene µg/L N/A <0.5 <0.5 0.53 0.83 <0.5 <10 0.74 0.62 <0.5 <0.5 <0.5 <0.5 2.3Toluene µg/L N/A <0.5 <0.5 5.8 3.9 1.2 21 5.9 6.2 <0.5 0.98 2.1 1.6 25Ethylbenzene µg/L N/A <0.5 <0.5 2 <0.5 <0.5 23 1.1 1.6 <0.5 <0.5 0.97 <0.5 7.1o-Xylene µg/L N/A <0.5 <0.5 3.8 0.59 <0.5 13 2.4 2.8 <0.5 <0.5 1.9 <0.5 11p/m-Xylene µg/L N/A <0.5 <0.5 8.6 1.3 0.71 100 5.2 6.8 0.6 <0.5 4.2 0.84 28Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 2 3 Trichlorobenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <10 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 4.3 0.51 <0.5 <10 1.7 2.3 <0.5 0.56 2.6 <0.5 101,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 1.1 <0.5 <0.5 <10 <0.5 0.64 <0.5 <0.5 0.67 <0.5 2.81,3-Dichlorobenzene µg/L N/A <10 <50 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <10 <10 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <10 <10 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A 5.7 5.2 6.3 6.7 14 <20 4.8 3.1 7.2 12 5.4 6.3 322-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.12-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.14-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A 4 <2 <2 <2 <2 <40 <2 <2 2.3 2.4 <2 <2 21Acetone µg/L N/A 28 32 20 50 79 88 32 90 37 97 19 31 190Acrylonitrile µg/L N/A <2 <2 <2 <2 <2 <40 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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STORM WATER ANALYTICAL RESULTS − METAL RECYCLER

Page 64 of 151

Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 0.55 4.1 <0.5 <10 9.1 10 <0.5 <0.5 <0.5 2.2 3.8Diethyl Ether µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 1.1 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 <2 <2 <2 <40 <2 <2 <2 <2 <2 <2 <2Ethanol µg/L N/A 160 190 200 780 1,200 4,100 640 350 170 22,000 120 590 2,500Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <2 <2 <2 <2 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 <2 <2 <2 <40 <2 <2 <0.5 <10 <0.5 <0.5 <2Hexachloro-1,3-Butadiene µg/L N/A <10 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 3.9 <0.5 <10 3.1 <0.5 <0.5 <0.5 <0.5 2.3 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 0.52 <0.5 <0.5 15 1.7 <0.5 <0.5 <0.5 <0.5 <0.5 0.55Naphthalene µg/L N/A 0.76 0.79 1.7 0.66 <0.5 <10 1.1 1.3 0.79 1.2 1.9 0.51 8.6

B t lb /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <10 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.1p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 <0.5 1.3 <0.5 <10 7.2 <0.5 <0.5 <0.5 <0.5 0.95 1.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 <2 <2 <2 <40 <2 <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 <10 <10 15 <200 <10 <10 <10 <10 <10 <10 22tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <1 <1 <1 <20 <1 <1 <1 3.6 1.9 <1 11trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A 1.6 <0.5 3.4 2 4.2 13 4.7 11 <0.5 <0.5 1.9 1.3 28Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2,4,5-Trichlorophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2,4,6-Trichlorophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2,4-Dichlorophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2,4-Dimethylphenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2,4-Dinitrophenol µg/L N/A <50 <250 -- -- -- -- -- -- <50 <50 -- -- --2,4-Dinitrotoluene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --

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Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

2,6-Dinitrotoluene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Chloronaphthalene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Chlorophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Methylnaphthalene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Methylphenol (o-Cresol) µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Nitroaniline µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --2-Nitrophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --3,3'-Dichlorobenzidine µg/L N/A <25 <130 -- -- -- -- -- -- <25 <25 -- -- --3-Nitroaniline µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A <50 <250 -- -- -- -- -- -- <50 <50 -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4-Chloro-3-Methylphenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4-Chloroaniline µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4-Methylphenol (p-Cresol) µg/L N/A 11 <50 -- -- -- -- -- -- 24 <10 -- -- --4-Nitroaniline µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --4-Nitrophenol µg/L N/A 11 <50 -- -- -- -- -- -- 19 <10 -- -- --Acenaphthene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Acenaphthylene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Aniline µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Anthracene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Azobenzene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Benzidine µg/L N/A <50 <250 -- -- -- -- -- -- <50 <50 -- -- --Benzo (a) Anthracene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Benzo (a) Pyrene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Benzo (b) Fluoranthene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --B ( h i) P l /L N/A <10 <50 <10 <10Benzo (g,h,i) Perylene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Benzo (k) Fluoranthene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Benzoic acid µg/L N/A <50 770 -- -- -- -- -- -- 560 <50 -- -- --Benzyl alcohol µg/L N/A <10 <50 -- -- -- -- -- -- <10 40 -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Bis(2-Chloroethyl) Ether µg/L N/A <25 <130 -- -- -- -- -- -- <25 <25 -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A 72 <50 -- -- -- -- -- -- 26 23 -- -- --Butyl Benzyl Phthalate µg/L N/A 15 <50 -- -- -- -- -- -- <10 11 -- -- --Chrysene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Dibenz (a,h) Anthracene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Dibenzofuran µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Diethyl Phthalate µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Dimethyl Phthalate µg/L N/A 11 <50 -- -- -- -- -- -- <10 <10 -- -- --Di-n-Butyl Phthalate µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Di-n-Octyl Phthalate µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Fluoranthene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Fluoranthene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Fluorene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Hexachlorobenzene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Hexachlorocyclopentadiene µg/L N/A <25 <130 -- -- -- -- -- -- <25 <25 -- -- --Hexachloroethane µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --

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Sample Number / Date Sampled2

M-SW-01 M-SW-01A M-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/26/04 12/28/04 02/11/05 10/26/04 12/28/04 02/11/05 02/02/04 02/18/04 10/26/04 12/27/04 02/11/05

Isophorone µg/L N/A 31 <50 -- -- -- -- -- -- <10 <10 -- -- --Nitrobenzene µg/L N/A <25 <130 -- -- -- -- -- -- <25 <25 -- -- --N-Nitroso-di-n-propylamine µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --N-Nitrosodiphenylamino µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Pentachlorophenol µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Phenanthrene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Phenol µg/L N/A 19 <50 -- -- -- -- -- -- 62 <10 -- -- --Pyrene µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --Pyridine µg/L N/A <10 <50 -- -- -- -- -- -- <10 <10 -- -- --

Biological ParametersBiological ParametersHeterotrophic Plate Count CFU/mL N/A >3,000 -- -- -- -- -- -- -- >3,000 -- -- -- --Total Coliforms MPN/100 mL N/A 2,400 -- -- -- -- -- -- -- 270 -- -- -- --Fecal Coliform MPN/100 mL N/A 230 -- -- -- -- -- -- -- 40 -- -- -- --E. coli MPN/100 mL N/A 310 -- -- -- -- -- -- -- 10 -- -- -- --

Field ParameterspH pH units N/A -- -- 6.15 9.93 -- -- -- -- -- -- 8.29 9.53 --Temperature degrees Celsius N/A -- -- 17.0 11.9 -- -- -- -- -- -- 17.0 11.8 --Turbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

M-LS-01 M-LS-02

Constituent Units1 Fraction 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/04/04

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bromide mg/L N/A 3.6 2.9 -- 0.34 0.62 0.74 6.9 0.93 0.83 0.35 0.43 -- 0.25 0.8 0.53 3.3 0.77 1.4Calcium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chloride mg/L N/A 110 110 -- 28 68 110 41 34 38 57 65 -- 35 90 76 99 66 110Chemical Oxygen Demand mg/L N/A 18 28 -- 18 13 54 20 5 28 21 26 -- 18 46 33 28 13 33Fluoride mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hardness (as CaCO3) mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

/Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrate (as N) mg/L N/A 11 16 -- 2.8 5.4 1.9 2.9 4.9 6.9 2.8 2.7 -- 5 1 5.6 2.3 16 3.8Nitrite (as N) mg/L N/A 1.5 <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 2.7 1.4 -- 0.7 0.56 1.1 <0.5 <0.5 0.7 1.1 0.98 -- <0.5 1.4 0.84 0.84 <0.5 1.3Carbon, Total Organic mg/L N/A 17 9.6 -- 4.7 6.2 14 5.2 3.1 3.5 17 11 -- 4.9 14 7.3 5.7 4.7 23Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrogen, Organic mg/L N/A 0.6 0.98 -- 0.7 0.56 1.1 <0.5 <0.5 0.7 0.82 0.7 -- <0.5 1.4 0.84 0.84 <0.5 1.3Ammonia-Nitrogen mg/L Total 2.1 0.42 -- <0.1 <0.1 <0.2 <0.1 <0.13 <0.15 0.28 0.28 -- <0.1 <0.1 <0.2 <0.1 <0.15 <0.2pH pH units N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Total 12 14 -- 0.081 0.068 0.08 0.41 0.53 0.57 14 16 -- 0.091 0.1 0.79 0.59 0.19 15Potassium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sulfate mg/L N/A 750 780 -- 220 310 610 230 200 200 280 350 -- 190 500 370 530 270 340Total Dissolved Solids mg/L N/A 570 1,700 -- 780 920 1,300 660 583 673 950 930 -- 630 1,300 1,000 1,100 733 1,200Total Suspended Solids mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/ATurbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Metals3

Aluminum µg/L Dissolved <50 <50 -- <25 <25 <25 <25 <25 <25 <50 <50 -- <25 <25 <25 <25 <25 <50Aluminum µg/L Total <50 <50 -- <25 <25 <25 <25 <25 <25 <50 <50 -- <25 <25 <25 <25 <25 <50Antimony µg/L Dissolved 1.09 1.03 -- <1 <1 <1 <1 <1 <1 2.78 2.41 -- 1.16 1.32 <1 2.07 1.38 2.7Antimony µg/L Total <1 1.21 -- <1 <1 <1 1.05 <1 <1 2.86 2.32 -- 1.15 1.65 <1 1.69 1.62 3.08Arsenic µg/L Dissolved 5.14 1.39 -- 2.15 1.38 <0.5 2.31 2.09 1.56 3.1 2.59 -- 1.14 1.2 <0.5 1.76 0.621 13.9Arsenic µg/L Total 4.02 1.75 -- 2.17 1.38 <0.5 2.31 2.64 2.02 2.77 2.98 -- 0.992 1.76 1.09 1.19 1.06 13.5Barium µg/L Dissolved 86.4 54.8 -- 101 78.1 83.7 79.9 95.9 80.6 56.3 70.8 -- 70.7 88.8 69.7 38.6 83.2 72Barium µg/L Total 93.2 55.2 -- 105 82.9 78.3 81.5 97.7 80.2 63.2 72.3 -- 71.4 98.4 71.3 67.2 81.6 76.2Beryllium µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Boron µg/L Dissolved 8,170 8,210 -- 2,330 1,550 1,610 1,030 638 674 1,220 1,410 -- 1,080 1,440 1,740 1,040 760 4,490Boron µg/L Total 8,180 8,310 -- 2,340 1,610 1,720 1,030 629 701 1,240 1,370 -- 1,010 1,520 1,920 1,140 716 4,970Cadmium µg/L Dissolved 0.386 0.354 -- 0.294 0.457 0.761 0.36 0.351 0.343 <0.2 <0.2 -- 0.526 0.637 0.579 <0.2 <0.2 <0.2Cadmium µg/L Total 0.429 0.369 -- 0.327 0.779 0.797 0.378 0.414 0.333 0.204 <0.2 -- 0.554 0.732 0.588 0.487 0.271 <0.2Chromium µg/L Dissolved 1.15 1.76 1.85 <1 1.58 1.85 1.53 3.11 1.15 1.34 1.31 2.04 7.88 <1 4.04 1.73 14.8 1.35Chromium µg/L Total 1.97 1.89 -- 1.3 2.14 2.74 1.82 9.51 <1 2.27 1.03 -- 48.7 5.68 4.41 5.88 28 2.7Chromium, Hexavalent µg/L Dissolved -- -- <0.2 1.5 1.9 0.21 0.75 3 2.3 -- -- <0.2 4.2 <0.2 2.8 <0.2 2.8 --C b l Di l d 58 5 88 4 74 9 130 3 1 222 131 173 1 1 4 12 3 12 220 1 36 2 06 1Cobalt µg/L Dissolved 58.5 88.4 -- 74.9 130 3.1 222 131 173 <1 <1 -- 4.12 3.12 220 1.36 2.06 <1Cobalt µg/L Total 64.5 92.6 -- 75.1 136 3.29 222 152 166 <1 <1 -- 4.03 3.34 258 3.11 2.36 <1Copper µg/L Dissolved 10.2 7.01 -- 3.01 4.49 17.4 5.36 4.47 3.94 4.14 4.54 -- 6.93 4.88 6.99 3.33 2.7 2.93Copper µg/L Total 9.98 7.2 -- 3.58 5.57 27.2 5.89 6.07 4.26 4.17 8.24 -- 13.1 6.42 9.15 14.6 5.51 3.08Iron µg/L Dissolved <100 <100 -- <100 <100 391 <100 213 179 <100 <100 -- <100 101 219 <100 282 241Iron µg/L Total 159 141 -- <100 142 405 <100 392 229 110 <100 -- 678 2,420 313 205 613 273

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Sample Number / Date Sampled2

M-LS-01 M-LS-02

Constituent Units1 Fraction 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/04/04

Lead µg/L Dissolved <0.5 6.82 -- 1.15 <0.5 0.679 <0.5 <0.5 0.788 <0.5 0.632 -- <0.5 <0.5 <0.5 <0.5 <0.5 1.62Lead µg/L Total 1.77 6.9 -- 3.92 4.2 1.76 1.33 9.06 2.7 0.872 2.45 -- 3.9 2.97 2.37 4.23 2.38 0.785Manganese µg/L Dissolved 4,360 2,810 -- 60.9 45.9 2,940 50.1 19.2 10.3 446 772 -- 929 1,370 81.9 125 38.9 255Manganese µg/L Total 4,300 2,880 -- 63.4 52 3,200 50.7 25.6 10.1 476 639 -- 900 1,480 96 985 94.9 265Mercury µg/L Dissolved -- <0.25 -- -- -- -- <0.1 <0.1 <0.1 -- <0.25 -- -- -- -- <0.1 <0.1 --Mercury µg/L Total -- <0.25 -- -- -- -- <0.1 <0.1 <0.1 -- <0.25 -- -- -- -- <0.1 <0.1 --Molybdenum µg/L Dissolved 93.5 65.4 -- 21.2 13 112 8.05 10.2 8.98 24.9 21.9 -- 171 163 12.4 20 38 47.8Molybdenum µg/L Total 96.3 68.6 -- 21.3 13.2 111 7.99 11.6 8.97 27.1 20.8 -- 167 168 12.9 58.5 43.6 49.2Nickel µg/L Dissolved 110 65 -- 42 37 140 54 84 35 16 27 -- 1,700 150 57 96 220 18Nickel µg/L Total 110 97 -- 40 39 150 49 79 34 17 45 -- 1,600 160 66 190 350 21Selenium µg/L Dissolved 2.66 5.09 -- 1.7 1.7 <1 1.77 3.56 <1 4.49 5.11 -- 3.4 1.43 <1 <1 3.53 6.71Selenium µg/L Total 2.3 6.18 -- <1 1.77 2.21 1.98 5.79 <1 4.45 5.21 -- 2.82 1.78 2.08 2.68 5.41 6.56Silver µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- 1.44 <1 <1 <1 <1 <1Silver µg/L Total <1 <1 -- <1 1.2 3.77 <1 1.14 <1 <1 <1 -- 8.31 1.31 1.76 4.07 1.86 <1Strontium µg/L Dissolved 1,580 1,490 -- 586 796 1,290 669 666 604 404 448 -- 439 1,220 857 582 846 594Strontium µg/L Total 1,570 1,550 -- 585 811 1,250 672 713 568 438 435 -- 425 1,260 886 1,190 840 565Thallium µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Thallium µg/L Total <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Total 1.47 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved 5.79 12.7 -- 3.52 3.49 5.05 7.23 2.83 2.69 5.09 6.51 -- 3.05 3.66 5.15 6.67 2.68 6.31Titanium µg/L Total 8.5 13 -- 4.24 4.66 6.63 8.09 5.46 3.4 6.98 7.6 -- 4.4 4.35 8.83 9.03 2.83 8.75Vanadium µg/L Dissolved 8.41 4.97 -- 2.56 1.49 <1 1.7 2.91 1.1 6.42 6.41 -- <1 <1 2.02 1.45 1.88 11.8Vanadium µg/L Total 8.83 5.09 -- 2.53 1.54 <1 1.85 3.13 1.28 6.71 6.39 -- <1 <1 2.23 1.17 1.99 12.6Zinc µg/L Dissolved 35.7 76.8 -- 83.6 101 91.9 88.1 78.5 69.3 24.9 22.9 -- 59.9 20.6 165 34.4 47.3 19.5Zinc µg/L Total 64 78.2 -- 83.2 141 110 95.3 94.4 71 18.5 28.1 -- 80.2 27.9 195 119 65.5 12.2

Other ConstituentsOil and Grease mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Perchlorate µg/L N/A -- -- 19 13 61 21 140 13 12 -- -- 16 20 15 54 48 14 --N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --, µg1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <2 <0.5

Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 -- 22 23 33 30 8.5 1.8 <1 <1 -- 9.8 25 26 7.9 14 <1Benzene µg/L N/A <0.5 <0.5 -- 0.64 0.65 0.57 <0.5 <0.5 <0.5 <0.5 <0.5 -- 1.1 0.65 2.3 0.53 1.2 <0.5Toluene µg/L N/A <0.5 <0.5 -- 13 6.2 4.4 2.6 0.69 <0.5 <0.5 <0.5 -- 5.7 4.7 5.8 4.3 3.9 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 -- 4.3 1.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- 0.7 <0.5 <1 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 <0.5 -- 8.1 3.4 0.82 <0.5 <0.5 <0.5 <0.5 <0.5 -- 1.5 0.9 <1 0.66 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 -- 19 3.5 0.95 0.57 <0.5 0.69 <0.5 <0.5 -- 2.7 1.3 1.2 1.4 0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 0.9 -- 0.92 0.76 0.7 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 0.841,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.55 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,1 Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 -- 4 0.76 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- 1.5 <0.5 <1 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5

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March 2008 TABLE C-10

LYSIMETER ANALYTICAL RESULTS − METAL RECYCLER

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Sample Number / Date Sampled2

M-LS-01 M-LS-02

Constituent Units1 Fraction 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/04/04

1,2-Dichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 -- 1.3 0.54 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 -- <1 <1 <1 <1 <2 <2 1.6 3.9 -- <1 <1 11 <1 3.7 <12-Chlorotoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <5 <0.54-Chlorotoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 -- <2 <2 <2 <2 <5 <5 <2 <2 -- <2 <2 <4 <2 <5 <2Acetone µg/L N/A 4.4 <2 -- 2.7 <2 2.5 <2 <10 <10 14 <2 -- 3.7 4 34 3.4 <10 37Acrylonitrile µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <4 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A 0.68 6.9 -- 6 3.3 <0.5 5.1 0.76 <0.5 2.1 1.1 -- 1.2 <0.5 3.5 0.69 1.2 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- 0.62 1.5 1.7 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <4 <2 <2 <2Ethanol /L N/A <100 <100 <100 <100 <100 <100 <50 <50 <100 <100 <100 <100 3 200 <100 <50 <100Ethanol µg/L N/A <100 <100 -- <100 <100 <100 <100 <50 <50 <100 <100 -- <100 <100 3,200 <100 <50 <100Ethyl Methacrylate µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <4 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <0.5 <0.5 -- <0.5 <0.5 1.1 <0.5 <2 <0.5Naphthalene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 -- 0.69 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <4 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 -- <10 <10 11 <10 <10 <10 <10 <10 -- 12 17 <20 <10 14 <10tert-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 -- <1 <1 <1 <1 <5 <5 <1 <1 -- <1 <1 <2 <1 <5 <1Tetrahydrofuran µg/L N/A <1 <1 -- <1 <1 <1 <1 <5 <5 <1 <1 -- <1 <1 <2 <1 <5 <1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 -- 0.67 <0.5 0.69 1 0.84 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 1.8 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <1 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Page 112: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

March 2008 TABLE C-10

LYSIMETER ANALYTICAL RESULTS − METAL RECYCLER

Page 70 of 151

Sample Number / Date Sampled2

M-LS-01 M-LS-02

Constituent Units1 Fraction 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/04/04

2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (g h i) Perylene µg/L N/ABenzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluorene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Sample Number / Date Sampled2

M-LS-01 M-LS-02

Constituent Units1 Fraction 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 10/27/04 12/08/04 12/28/04 02/14/05 01/02/06 02/04/04

Pentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/A 140,000 -- -- -- -- -- -- -- -- 7,600 -- -- -- -- -- -- -- 120,000Total Coliforms MPN/100 mL N/A 20 -- -- -- -- -- -- -- -- <20 -- -- -- -- -- -- -- <20Fecal Coliform MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- <20 -- -- -- -- -- -- -- <20E. coli MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- <20 -- -- -- -- -- -- -- <20

Field ParameterspH pH units N/A -- -- -- -- -- 8.05 -- -- -- -- -- -- -- -- 7.71 -- -- --T N/A 19 5 15 7Temperature degrees Celsius N/A -- -- -- -- -- 19.5 -- -- -- -- -- -- -- -- 15.7 -- -- --Turbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- 1,290 -- -- -- -- -- -- -- -- 1,650 -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/AHardness (as CaCO3) mg/L Total

/

M-LS-03 M-LS-04

02/20/04 04/03/04 02/15/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 02/16/05 01/02/06 02/28/06

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

0.94 -- 14 0.88 0.7 0.45 0.61 -- 2.9 1.2 0.49-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --60 -- 76 120 140 79 53 -- 36 120 91-- -- 79 31 23 240 -- -- 84 67 64-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

Hydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

3.8 -- <0.1 11 4.1 12 5.7 -- 12 24 6.1<0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 -- 0.79 <0.1 <0.11.1 -- 0.98 1.1 0.98 2.5 2.1 -- 2.1 1.5 1.414 -- 18 7.8 10 -- 84 -- 20 19 19-- -- -- -- -- -- -- -- -- -- --

1.1 -- 0.98 1.1 0.98 2.5 2.1 -- 1.4 1.5 1.4<0.4 -- <0.1 <0.13 <0.2 <0.2 <0.2 -- 0.7 <0.13 <0.23

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- 0.53 0.23 0.23 17 -- -- 0.59 0.21 <0.03-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

340 -- 400 520 550 220 350 -- 260 660 4401,200 -- 1,100 1100 -- -- 1,100 -- 820 1330 --

-- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L DissolvedCadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedC b l Di l d

-- -- -- -- -- -- -- -- -- -- --

<50 -- <25 <25 <25 <50 <50 -- <25 <25 <25<50 -- <25 <25 <25 <50 <50 -- <25 <25 <252.27 -- 3.78 1.48 1.58 2.75 2.99 -- 2.88 2.52 3.052.22 -- 4.74 <1 1.64 2.67 2.98 -- 2.81 2.51 3.0313.2 -- 3.32 1.55 0.979 4.22 5.67 -- 2.88 2.05 1.1912.7 -- 8.52 2.38 <0.5 3.93 5.44 -- 2.77 3.6 1.5775.5 -- 92.6 54.2 58.2 113 120 -- 126 88.5 74.176.7 -- 117 59.5 59.2 117 121 -- 124 91.7 75.8<1 -- <1 <1 <1 <1 <1 -- <1 <1 <1<1 -- <1 <1 <1 <1 <1 -- <1 <1 <1

5,480 -- 1,500 718 995 2,160 2,310 -- 894 1010 12305,320 -- 1,540 954 1130 2,470 2,260 -- 831 1000 1280<0.2 -- <0.2 0.859 1.05 <0.2 <0.2 -- 0.271 0.207 <0.2<0.2 -- <0.2 0.695 1.02 <0.2 0.21 -- 0.269 0.209 0.204<1 2.67 2.35 4.31 21.4 3.45 11 17 8.29 10.3 2.51<1 -- 3.54 18.9 22.7 4.36 11.7 -- 38.9 12 2.72-- 0.6 <0.2 8 26 -- -- 14 6 6.7 3.51 7 32 2 35 1 91 1 05 1 2 46 1 1Cobalt µg/L Dissolved

Cobalt µg/L TotalCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L Total

<1 -- 7.32 2.35 1.91 1.05 <1 -- 2.46 <1 <1<1 -- 7.82 2.15 2.07 1.01 1.03 -- 2.5 1.03 <1

6.54 -- 4.32 11.6 14.7 12.3 16.5 -- 7.36 14.4 9.546.69 -- 4.94 10.4 15 12.6 17.3 -- 8.74 14.1 9.28<100 -- 194 362 328 <100 <100 -- <100 608 313102 -- 11,800 962 469 154 100 -- 153 639 392

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Constituent Units1 FractionLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L Dissolved

M-LS-03 M-LS-04

02/20/04 04/03/04 02/15/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 02/16/05 01/02/06 02/28/06

<0.5 -- <0.5 <0.5 0.504 0.95 <0.5 -- <0.5 <0.5 0.632<0.5 -- 0.534 0.58 0.868 0.529 0.61 -- <0.5 <0.5 1.72178 -- 6,520 160 153 127 238 -- 1330 7.17 31.5185 -- 6,840 250 150 117 257 -- 1330 7.82 31.9

<0.25 -- <0.25 <0.1 <0.1 -- <0.25 -- <0.1 <0.1 <0.1<0.25 -- <0.25 <0.1 <0.1 -- <0.25 -- <0.1 <0.1 <0.136.9 -- 73.1 35.5 17.8 50 47 -- 55 12.4 8.1436.3 -- 75.3 16.5 18.9 50.6 49.7 -- 55.6 12.6 8.5420 -- 160 57 77 64 62 -- 290 42 2719 -- 170 120 80 65 65 -- 290 45 27

7.79 -- <1 3.69 1.42 6.17 12.3 -- 5.01 7.6 1.328.51 -- <1 6.71 1.42 6.41 11.8 -- 5.03 8.29 1.02<1 -- 1.29 <1 1.78 <1 <1 -- 3.91 4.31 <1

Silver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A

<1 -- 10.2 20.1 2.38 1.35 <1 -- 7.73 4.7 <1585 -- 1,170 1150 1320 731 748 -- 588 1250 763590 -- 1,220 1480 1290 689 784 -- 575 1240 754<1 -- <1 <1 <1 <1 <1 -- <1 <1 <1<1 -- <1 <1 <1 <1 <1 -- <1 <1 <1<1 -- <1 <1 <1 <1 <1 -- <1 <1 1.83<1 -- <1 <1 <1 <1 <1 -- <1 <1 <17.6 -- 11 3.15 2.84 6.45 14.1 -- 11.8 2.94 2.78

7.38 -- 11.1 3.68 3.13 7.67 15.4 -- 11.6 3.32 2.997.51 -- <1 3.71 1.03 8.27 8.24 -- 3.29 <1 1.057.41 -- <1 3.47 1.03 8.62 8.47 -- 2.77 2.92 1.4720 -- 26.3 106 78.7 27.2 21.2 -- 24.6 46 43.9

12.4 -- 27.2 92.5 87.6 11.4 45 -- 26.2 43.4 57

-- -- -- -- -- -- -- -- -- -- ---- 33 <2 39 20 -- -- 18 10 85 14-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --, µg

1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A

Volatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A

<0.5 -- <0.5 <2 <2 <0.5 <0.5 -- <0.5 <2 <2

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<1 -- 10 38 3.6 <1 <1 -- 2.9 <0.5 <0.5

<0.5 -- 0.7 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 3 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 0.93 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 2.9 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 3.7 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51.1 -- 0.51 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1 Dichloropropene µg/L N/A

1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 0.83 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/A

M-LS-03 M-LS-04

02/20/04 04/03/04 02/15/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 02/16/05 01/02/06 02/28/06

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<1 -- 1.3 <2 <2 <1 <1 -- <1 <2 <2

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <5 <5 <0.5 <0.5 -- <0.5 <5 <5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<2 -- 10 <5 <5 <2 <2 -- <2 <5 <5

Acetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol /L N/A

<2 -- 14 <10 <10 16 <2 -- 5.1 <10 <10<2 -- <2 <2 <2 <2 <2 -- <2 <2 <2

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5

2 -- 0.56 <0.5 <0.5 <0.5 0.57 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<2 -- <2 <2 <2 <2 <2 -- <2 <2 <2

<100 <100 <50 <50 <100 <100 <100 <50 <50Ethanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/AMethylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/A

<100 -- <100 <50 <50 <100 <100 -- <100 <50 <50<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<2 -- <2 <2 <2 <2 <2 -- <2 <2 <2

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <5 <5 <0.5 <0.5 -- <0.5 <5 <5<0.5 -- 0.54 <2 <2 <0.5 <0.5 -- 1.3 <2 <2<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<2 -- <2 <2 <2 <2 <2 -- <2 <2 <224 -- <10 <10 <10 <10 <10 -- <10 <10 <10

<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<1 -- 3.6 <5 <5 <1 <1 -- <1 <5 <5Tetrahydrofuran µg/L N/A

trans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/A

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A

<1 -- 3.6 <5 <5 <1 <1 -- <1 <5 <5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5<0.5 -- 1.4 <0.5 <0.5 <0.5 <0.5 -- 0.7 <0.5 <0.5<0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5

-- -- -- -- -- -- -- -- -- -- --

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Constituent Units1 Fraction2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A

M-LS-03 M-LS-04

02/20/04 04/03/04 02/15/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 02/16/05 01/02/06 02/28/06

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g h i) Perylene µg/L N/A

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

Benzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/A

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A

Hexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/A

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

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Constituent Units1 FractionPentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/A

Biological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/A

Field ParameterspH pH units N/AT N/A

M-LS-03 M-LS-04

02/20/04 04/03/04 02/15/05 01/02/06 02/28/06 02/04/04 02/20/04 04/03/04 02/16/05 01/02/06 02/28/06

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

-- -- -- -- -- 9,600 -- -- -- -- ---- -- -- -- -- <20 -- -- -- -- ---- -- -- -- -- <20 -- -- -- -- ---- -- -- -- -- <20 -- -- -- -- --

-- -- -- -- -- -- -- -- -- -- --Temperature degrees Celsius N/ATurbidity NTU N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmh2. -- indicates the constituent was not analyzed for. Analytes not detected are indica3. In cases in which the filtered concentrations exceeded the total, the differences ar

-- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- --

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 58 -- 290 290 280 290 290 290 280 290 280 308 276Bicarbonate (as CaCO3) mg/L N/A 58 -- 290 290 280 290 290 290 280 290 280 308 276Bromide mg/L N/A 0.42 -- 0.29 0.33 0.33 0.31 0.26 0.72 0.28 0.29 0.37 0.37 0.32Calcium mg/L Total -- 176 156 165 179 179 174 175 171 175 167 155 152Carbonate (as CaCO3) mg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Chloride mg/L N/A 70 -- 72 80 74 82 79 86 85 92 84 86 95Chemical Oxygen Demand mg/L N/A 57 -- <5 7.7 <10 <5 20 7.6 10 <5 <5 10 <5Fluoride mg/L N/A 0.61 -- 0.31 0.29 0.34 0.39 0.31 0.39 <0.1 0.31 0.31 0.45 0.45Hardness (as CaCO3) mg/L Total 660 -- 540 570 620 610 610 600 560 570 520 540 550Hydroxide (as CaCO3) mg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Magnesium mg/L Total -- 48.9 40.8 42.9 41.8 43.3 42.6 44.3 41.6 42.2 37.1 35.3 36.2MBAS (Surfactants) mg/L N/A <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Nitrate (as N) mg/L N/A 0.12 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Nitrite (as N) mg/L N/A <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 1.1 -- 0.35 <0.1 <0.5 <0.5 <0.5 <0.5 <0.5 0.7 <0.5 0.56 0.56Carbon, Total Organic mg/L N/A 2 -- 5.8 1.3 2.6 1.4 1.3 1.4 1.5 1.5 1.3 2.1 2.1Carbon, Dissolved Organic mg/L N/A 1.9 -- 7.2 3.4 2.5 3.6 2.3 3.3 2.1 1.9 1.8 3.7 3.9Nitrogen, Organic mg/L N/A 1.1 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.7 <0.5 0.56 <0.5Ammonia-Nitrogen mg/L Total <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.28pH pH units N/A 7.58 -- 7.04 6.81 7.32 6.88 6.79 6.97 6.83 6.79 6.85 6.91 6.76Phosphorus mg/L Dissolved <0.03 -- 0.037 0.041 0.078 0.44 0.12 0.045 0.045 0.09 0.039 <0.03 <0.03Phosphorus mg/L Total 17 -- 0.037 0.075 0.37 0.45 0.43 0.57 0.22 0.39 0.58 0.044 0.33P i /L T t l 7 53 6 36 6 12 6 28 6 33 6 63 6 51 6 46 6 4 6 25 6 28 6 17Potassium mg/L Total -- 7.53 6.36 6.12 6.28 6.33 6.63 6.51 6.46 6.4 6.25 6.28 6.17Sodium mg/L Total -- 92.1 88 87.6 93.7 96.3 96 97 92.9 95.8 82.1 80.1 79.9Specific Conductance µmhos/cm N/A 1,500 -- 1,200 1,400 1,500 1,400 1,300 1,300 1300 1200 1100 1200 1200Sulfate mg/L N/A 430 -- 270 340 410 370 350 400 300 360 290 280 310Total Dissolved Solids mg/L N/A 1,000 -- 840 910 1,100 910 940 950 1000 963 853 867 847Total Suspended Solids mg/L N/A -- <1 10 20 <1 17 15 2.5 7.8 4.2 <1 2.5 <1Turbidity NTU N/A -- 2.3 2.2 11 8.6 16 8.8 1.1 6.5 4.1 1.2 5.2 0.98

Metals3

Aluminum µg/L Dissolved -- <50 <50 <50 <25 <25 <25 <25 <25 <0.025 <25 <25 <25Aluminum µg/L Total -- <50 92.4 238 <25 330 77.1 <25 103 67 <25 <25 <25Antimony µg/L Dissolved -- 1.19 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Antimony µg/L Total -- 1.6 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Arsenic µg/L Dissolved -- 5.14 0.765 5.65 5.65 1.36 1.5 1.81 0.566 1.59 1.43 1.24 1.21Arsenic µg/L Total -- 8.39 1.83 6.47 7.02 2.34 2.47 2.06 1.07 1.91 1.39 1.96 1.72Barium µg/L Dissolved -- 64.2 95.6 116 82.1 68.9 67.7 72.1 91.5 81.5 71.1 108 112Barium µg/L Total -- 70.2 100 128 86 78.5 73.5 77.5 98.6 91.9 80.8 109 117Beryllium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Boron µg/L Dissolved -- 250 221 250 298 291 248 219 271 287 222 200 280Boron µg/L Total -- 277 214 255 326 310 272 228 283 276 228 215 292Cadmium µg/L Dissolved -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

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Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

Cadmium µg/L Total -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2Chromium µg/L Dissolved -- 2.41 <1 2.78 <1 1.35 <1 <1 <1 <1 <1 <1 <1Chromium µg/L Total -- 1.82 4.09 3.7 <1 11.8 <1 <1 1.59 <1 <1 <1 <1Chromium, Hexavalent µg/L Dissolved <0.2 -- 0.23 0.22 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 --Cobalt µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Cobalt µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Copper µg/L Dissolved -- <1 1.01 1.41 <1 <1 1.11 <1 1.24 <1 <1 <1 <1Copper µg/L Total -- 1.12 1.49 2.28 1.05 3.46 1.51 <1 2.02 1.26 1.01 <1 <1Iron µg/L Dissolved -- <100 112 <100 <100 564 547 215 423 625 <100 580 623Iron µg/L Total -- 244 435 870 593 1,660 1,140 979 1140 1110 338 1010 991Lead µg/L Dissolved -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total -- <0.5 <0.5 <0.5 <0.5 1.16 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Manganese µg/L Dissolved -- 96.8 65.7 46.6 32.8 31.2 29.7 30 22.9 16.4 26.6 31.9 32.5Manganese µg/L Total -- 108 69.8 54.5 35.2 36.8 32.3 32.4 25.8 18.1 27.1 32.6 35Mercury µg/L Dissolved <0.1 -- 0.131 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Mercury µg/L Total -- <0.1 0.103 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved -- 10.8 7.15 8.04 5.78 6.18 5.97 5.98 6.42 6.93 6.89 7.27 6.62Molybdenum µg/L Total -- 11.7 7.45 8.28 5.93 7.37 6.67 6.49 6.85 7.03 7.11 7.57 6.7Nickel µg/L Dissolved -- 4.5 7.5 6.8 5.1 4.9 4 3.8 6.5 6.2 3.6 2.4 4Nickel µg/L Total -- 5.4 7.4 6.9 4.8 14 4.9 4.1 7.4 6.3 3.5 2.9 4.5Selenium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Selenium µg/L Total -- <1 1.04 <1 3.08 <1 <1 <1 <1 <1 1.48 <1 <1Silver µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total -- <1 <1 <1 1.5 <1 <1 <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved -- 1,150 1,150 1,140 1,120 1,090 1,070 1,200 1100 1050 978 997 1000Strontium µg/L Total -- 1,190 1,190 1,200 1,150 1,140 1,140 1,260 1140 1110 1050 1010 1060Th lli /L Di l d <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Total -- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved -- 1.73 2.41 2.38 1.83 3.29 2.06 2.39 2.64 1.36 1.79 1.54 3.95Titanium µg/L Total -- 2.75 6.73 31.2 3.36 32.3 8.05 4.23 11.8 8.31 2.37 3.66 5.28Vanadium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 1.09 1.33 <1 <1 2.02Vanadium µg/L Total -- <1 <1 <1 <1 <1 1.51 1.08 1.38 1.92 <1 <1 3.41Zinc µg/L Dissolved -- <5 14 6.72 <5 6.77 <5 5.25 <5 5.2 7.03 <5 10.2Zinc µg/L Total -- <5 17.3 14.9 6.55 14.8 <5 10.9 8.35 26.6 6.02 10.4 39.3

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Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

Other ConstituentsOil and Grease mg/L N/A 2.4 -- <1 <1 <1 <1 <1 <1 -- <1 <1 1.3 <1Perchlorate µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <0.1 <0.1N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.02 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <2 -- <2 <2

Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5M h l B l E h (MTBE) / N/A 1 1 1 1 1 1 1 0 5 0 5 0 5 0 5 0 5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <0.5 <0.5 <0.5 <0.5 <0.5Benzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 2 3 Trichlorobenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,2,3-Trichlorobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <10 -- <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- -- -- -- --1,2-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <10 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <10 -- <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <2 <2 <2 <2 <22-Chlorotoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <5 <52-Hexanone µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <5 <54-Chlorotoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <5 <5 <5 <5 <5Acetone µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <10 <10 <10 <10 <10Acrylonitrile µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

Bromobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A 1.7 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Ethanol µg/L N/A <100 -- <100 <100 <100 <100 <100 <100 <50 <50 <50 <50 <50Ethyl Methacrylate µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 -- <0.5 <10 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 0.62 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <5 <5Methylene Chloride µg/L N/A <0.5 -- <0.5 <0.5 0.67 0.64 0.54 <0.5 <2 <2 <2 <2 <2Naphthalene µg/L N/A <10 -- <10 <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

B t lb /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5n-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 -- <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <5 <5 <5 <5 <5trans-1,3-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A <50 -- <50 <50 <50 -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --

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Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

2,6-Dinitrotoluene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A <25 -- <25 <25 <25 -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A <50 -- <50 <50 <50 -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Chloroaniline µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Acenaphthene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Aniline µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Anthracene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Azobenzene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Benzidine µg/L N/A <50 -- <50 <50 <50 -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --B ( h i) P l /L N/A <10 <10 <10 <10Benzo (g,h,i) Perylene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Benzoic acid µg/L N/A <50 -- <50 <50 <50 -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A <25 -- <25 <25 <25 -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Butyl Benzyl Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Chrysene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Fluoranthene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Fluoranthene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Fluorene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A <25 -- <25 <25 <25 -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --

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Sample Number / Date Sampled2

M-MW-01

Constituent Units1 Fraction 11/06/03 12/04/03 02/13/04 06/08/04 10/14/04 12/15/04 01/04/05 03/05/05 10/06/05 01/05/06 06/16/06 02/28/07 06/14/07

Isophorone µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A <25 -- <25 <25 <25 -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Pentachlorophenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Phenanthrene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Phenol µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Pyrene µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --Pyridine µg/L N/A <10 -- <10 <10 <10 -- -- -- -- -- -- -- --

Biological ParametersBiological ParametersHeterotrophic Plate Count CFU/mL N/A 170,000 -- -- -- -- -- -- -- -- -- -- -- --Total Coliforms MPN/100 mL N/A <2 -- -- -- -- -- -- -- -- -- -- -- --Fecal Coliform MPN/100 mL N/A <2 -- -- -- -- -- -- -- -- -- -- -- --E. coli MPN/100 mL N/A <2 -- -- -- -- -- -- -- -- -- -- -- --

Field ParameterspH pH units N/A -- -- -- -- 6.96 6.98 -- -- -- -- -- -- --Temperature degrees Celsius N/A -- -- -- -- 21.3 21.4 -- -- -- -- -- -- --Turbidity NTU N/A -- -- -- -- 2 1.6 -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- 1,440 1,410 -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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STORM WATER ANALYTICAL RESULTS − SUN VALLEY

Page 83 of 151

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 34 30 24 42 22 36 41 52 36 28 -- 44 55 34Bicarbonate (as CaCO3) mg/L N/A 34 30 24 42 22 36 41 52 36 28 -- 44 55 34Bromide mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.2 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1Calcium mg/L Total 16.4 11.2 9.41 18.7 9.29 34.2 27.1 59.4 39 10.6 -- 52.4 38.2 20Carbonate (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Chloride mg/L N/A <1 <1 <1 2.7 <1 11 11 21 18 <1 -- 14 11 8Chemical Oxygen Demand mg/L N/A 170 77 51 71 13 270 320 730 320 48 -- 340 350 270Fluoride mg/L N/A 0.11 <0.1 <0.1 0.14 <0.1 0.13 <0.1 0.22 0.12 <0.1 -- 0.14 <0.1 <0.1Hardness (as CaCO3) mg/L Total 46 36 50 68 38 90 84 300 130 44 -- 130 130 80Hydroxide (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Magnesium mg/L Total 1.81 0.572 0.464 1.23 0.338 1.56 1.31 3.43 2.22 0.358 -- 2.22 1.65 1.09MBAS (Surfactants) mg/L N/A 0.31 0.42 0.25 0.36 0.24 4.1 4 2.4 1.5 0.32 -- 3.9 3.3 1.4Nitrate (as N) mg/L N/A 0.23 0.27 0.16 0.62 <0.1 0.54 0.57 0.18 0.63 <0.1 -- 0.67 1.8 0.15Nitrite (as N) mg/L N/A 0.12 <0.1 <0.1 <0.1 <0.1 <0.2 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 3.6 2.4 1.1 1.5 0.7 4.1 5.3 11 6 1.4 -- 6.4 6.7 4.1Carbon, Total Organic mg/L N/A 13 11 5.9 11 5.5 90 82 98 92 7 -- 130 96 21Carbon, Dissolved Organic mg/L N/A 11 9.3 6 10 5.8 90 85 100 67 7 -- 100 92 16Nitrogen, Organic mg/L N/A 3.5 1.7 1.1 1.2 0.5 3.9 4.5 9.5 4.8 1.1 -- 5.8 5.9 3.8Ammonia-Nitrogen mg/L Total 0.14 0.7 <0.1 0.35 0.21 0.21 0.84 1.8 1.2 0.28 -- 0.56 0.84 0.28pH pH units N/A 7.85 7.23 5.9 6.91 6.6 8.31 7.82 6.34 6.26 6.89 -- 8.36 7.81 6.37Phosphorus mg/L Dissolved 0.21 0.077 0.45 0.41 0.089 0.61 0.35 0.68 0.55 0.12 -- 0.43 0.32 0.3Phosphorus mg/L Total 0.27 0.25 0.56 0.58 0.14 0.65 0.68 0.8 0.73 0.41 -- 0.56 0.54 0.47Potassium mg/L Total 1.88 1.07 0.69 1.38 <0.5 6.5 5.23 12 9.26 <0.5 -- 9.82 6.5 4.29Sodium mg/L Total 1.44 0.636 0.946 2.96 0.658 12 10.8 25.6 20.9 0.571 -- 18.3 12.6 8.34gSpecific Conductance µmhos/cm N/A 69 77 63 130 57 370 250 480 340 58 -- 430 330 180Sulfate mg/L N/A 5.6 5.5 5 9.9 2.3 110 47 94 66 2.9 -- 140 69 28Total Dissolved Solids mg/L N/A 44 52 62 94 52 310 210 420 260 48 -- 340 270 140Total Suspended Solids mg/L N/A 290 98 30 95 9.5 41 120 930 80 250 -- 68 270 180Turbidity NTU N/A 50 37 35 20 5.7 43 130 210 62 53 -- 31 220 68

Metals3

Aluminum µg/L Dissolved <50 <50 <25 <25 <25 51.1 93 97.3 65.2 <25 -- <50 109 61.7Aluminum µg/L Total 2,530 1,390 885 911 84.5 514 1,510 3,660 845 744 -- 406 3,460 1,340Antimony µg/L Dissolved <1 <1 <1 <1 <1 <1 1.06 2.1 <1 <1 -- 1.12 1.84 1.14Antimony µg/L Total 1.59 <1 1.68 <1 <1 1.48 3.71 3.51 <1 1.18 -- 1.5 4.49 1.55Arsenic µg/L Dissolved <0.5 <0.5 <0.5 1.05 <0.5 1.08 11.6 3.87 4.81 <0.5 -- 1.1 9.93 1.31Arsenic µg/L Total 1.65 <0.5 <0.5 1.45 <0.5 1.65 13.9 4.88 5.33 0.809 -- 2.49 13 1.71Barium µg/L Dissolved 8.7 11.4 5.47 14.1 10.6 8.57 12.1 21.3 9.13 10.8 -- 9.91 17.2 8.26Barium µg/L Total 99.1 48.6 33.2 40.3 13.4 27.1 46.7 141 30.8 41.6 -- 21.9 119 46.2Beryllium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Beryllium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Boron µg/L Dissolved 52 2 <50 <50 121 128 104 88 4 229 246 169 139 104 71 1Boron µg/L Dissolved 52.2 <50 <50 121 128 104 88.4 229 246 169 -- 139 104 71.1Boron µg/L Total 64.7 <50 <50 128 154 147 90.2 224 243 195 -- 161 111 84.9Cadmium µg/L Dissolved <0.2 0.244 <0.2 <0.2 <0.2 0.764 <0.2 0.493 0.245 <0.2 -- 0.372 0.233 0.215Cadmium µg/L Total 1.41 0.973 0.425 0.463 <0.2 0.515 0.626 1.93 0.474 0.517 -- 0.623 1.37 0.664

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March 2008 TABLE C-12

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Page 84 of 151

Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

Chromium µg/L Dissolved 1.17 1.04 1.19 1.46 <1 2.78 2.84 4.3 3.33 <1 -- 3.72 3.16 2.47Chromium µg/L Total 7.21 4.12 3.37 3.87 <1 5.42 6.15 12.2 5.61 2.82 -- 4.73 11.6 4.83Chromium, Hexavalent µg/L Dissolved 0.47 0.29 0.26 0.48 <0.2 0.98 0.67 <0.2 0.63 0.24 -- 1.3 0.8 0.37Cobalt µg/L Dissolved <1 <1 <1 <1 <1 <1 1.06 2.12 1.02 <1 -- 1.25 1.28 <1Cobalt µg/L Total 2.51 1.2 <1 1.03 <1 1.63 2.02 4.49 1.54 <1 -- 1.64 3.65 1.59Copper µg/L Dissolved 11.5 10.7 6.82 13.5 6.54 15.6 18.2 43.7 23.8 7.35 -- 23.3 19.6 21.7Copper µg/L Total 42.2 22.5 14.8 23.6 8.63 28 28.3 83.5 32.7 19.3 -- 35.9 49.5 34.5Iron µg/L Dissolved 137 106 <100 <100 <100 249 216 298 219 <100 -- 249 222 147Iron µg/L Total 4,000 1,840 1,140 1,350 103 1,200 2,090 5,500 1,510 1,150 -- 706 5,070 2,010Lead µg/L Dissolved 0.574 0.603 0.561 <0.5 <0.5 6.09 5.14 5.36 3.12 <0.5 -- 6.2 7.85 2.54Lead µg/L Total 63.6 32 21.2 17.5 3.66 33.3 47.3 108 19.4 25.6 -- 23 154 38.4Manganese µg/L Dissolved 8.56 11.3 1.33 5.73 4.25 18.1 24.8 73.2 26.7 5.36 -- 17 36 26.8Manganese µg/L Total 106 48.8 30.2 41.2 8.77 41.6 62.3 176 51.1 40.8 -- 32.8 142 61.3Mercury µg/L Dissolved <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.168 <0.1 <0.1 <0.1 -- <0.1 0.192 <0.1Mercury µg/L Total 0.177 0.181 <0.1 <0.1 <0.1 0.19 0.422 0.929 0.126 <0.1 -- 0.185 1.08 0.244Molybdenum µg/L Dissolved <1 <1 <1 1.15 <1 4.1 4.94 5.59 4.51 <1 -- 5.91 5.49 1.87Molybdenum µg/L Total <1 <1 <1 1.41 <1 6.13 6.07 5.37 4.85 <1 -- 6.26 6.88 1.91Nickel µg/L Dissolved 2.3 <2 <2 <2 <2 6.4 5.5 10 4.9 <2 -- 8.2 6.6 3.7Nickel µg/L Total 8.7 4.6 3.1 3.5 <2 9.8 8.2 17 6 3.9 -- 9.3 14 5.7Selenium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 1.44 <1 -- <1 <1 <1Selenium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 1.76 <1 -- <1 <1 <1Silver µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Silver µg/L Total <1 <1 1.25 <1 <1 <1 <1 1.09 <1 <1 -- <1 1.17 <1Strontium µg/L Dissolved 39 41.4 33.2 62.8 34.5 77.4 82 149 83.3 38 -- 107 117 56.9Strontium µg/L Total 68.2 53.3 40.5 75.2 35.9 133 98.9 160 91 49.6 -- 118 143 64.6Thallium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Thallium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Tin µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1µgTin µg/L Total 1.33 1.3 1.32 1.19 <1 2.13 3.26 3.44 2.22 1.1 -- 1.26 4.62 1.9Titanium µg/L Dissolved 1.94 1.79 1.79 2.43 <1 3.84 6.86 11.3 5.46 <1 -- 5.03 12.9 4.94Titanium µg/L Total 174 107 64.6 70.6 5.45 43.3 139 276 71.9 46.5 -- 31.9 271 107Vanadium µg/L Dissolved 3.95 3.72 2.46 4.62 1.17 3.93 4.44 4.63 4.56 1.45 -- 5.42 5.3 2Vanadium µg/L Total 10.5 7.09 4.53 7.05 1.37 7.65 8.91 13.8 7.15 3.58 -- 7.04 15.3 5.04Zinc µg/L Dissolved 23.4 31.2 28.2 39 74 63.8 79.2 174 64.2 38.5 -- 108 102 75.2Zinc µg/L Total 284 110 123 118 98.4 99 157 387 102 166 -- 103 301 149Other ConstituentsOil and Grease mg/L N/A 5.7 2.4 1.9 1.8 <1 8.7 26 48 9 2.2 -- 17 49 18Perchlorate µg/L N/A <2 <2 <2 <2 <2 <2 6.1 <2 <2 <2 -- <2 6.5 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <2 -- -- -- -- <2 -- -- -- -- -- <2 -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A <2 -- -- -- -- <2 -- -- -- -- -- <2 -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.02 <0.5 <0.5 <0.5 <0.5 <0.02 <1 <0.5 <0.5 <0.5 <0.5 <0.02 <0.5 <0.5Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 <1 <1 <1 <1 <2 <1 <1 <1 <1 <1 <1 <1Methyl t Butyl Ether (MTBE) µg/L N/A <1 <1 <1 <1 <1 <1 <2 <1 <1 <1 <1 <1 <1 <1Benzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 0.59 <0.5 <0.5 11 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

o-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <0.5 <50 <0.5 <0.5 <0.5 <0.5 <10 <10 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <0.5 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <0.5 <50 4.7 <0.5 <0.5 <0.5 <0.5 <0.5 1.32,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 3.7 <1 1.5 1.6 1.7 6.1 3.5 3.2 2.5 2.7 2 12 12-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5µg2-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 7.2 <2 <2 <2 <2 <2 64 <2Acetone µg/L N/A 4 40 13 16 21 16 70 29 25 36 24 12 130 15Acrylonitrile µg/L N/A <2 <2 <2 <2 <2 <2 <4 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5µgDibromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 0.94 <0.5 <0.5 <0.5 <0.5 <0.5

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March 2008 TABLE C-12

STORM WATER ANALYTICAL RESULTS − SUN VALLEY

Page 86 of 151

Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

Diisopropyl Ether (DIPE) µg/L N/A <2 <2 <2 <2 <2 <2 <4 <2 <2 <2 <2 <2 <2 <2Ethanol µg/L N/A <100 290 <100 170 130 130 390 1,900 420 310 370 250 840 570Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 <2 <2 <2 <2 <4 <2 <2 <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5 0.56 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.3 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A <10 <10 <0.5 <0.5 <0.5 <10 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 <2 <2 <2 <2 <4 <2 <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 <10 <10 <10 <10 <20 <10 <10 <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <1 <1 <1 <1 <2 <1 <1 <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2,4,5-Trichlorophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2,4,6-Trichlorophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --, , p µg2,4-Dichlorophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2,4-Dimethylphenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2,4-Dinitrophenol µg/L N/A <50 <50 -- -- -- <50 <250 -- -- -- -- <50 <50 --2,4-Dinitrotoluene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2,6-Dinitrotoluene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2-Chloronaphthalene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2-Chlorophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2-Methylnaphthalene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2-Methylphenol (o-Cresol) µg/L N/A <10 <10 -- -- -- 12 <50 -- -- -- -- 19 <10 --2-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --2-Nitrophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --3,3'-Dichlorobenzidine µg/L N/A <25 <25 -- -- -- <25 <130 -- -- -- -- <25 <25 --3-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4,6-Dinitro-2-Methylphenol µg/L N/A <50 <50 -- -- -- <50 <250 -- -- -- -- <50 <50 --4-Bromophenyl-Phenyl Ether µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4-Chloro-3-Methylphenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4-Chloroaniline µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4 Chloroaniline µg/L N/A 10 10 10 50 10 104-Chlorophenyl-Phenyl Ether µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4-Methylphenol (p-Cresol) µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --4-Nitrophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --

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Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

Acenaphthene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Acenaphthylene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Aniline µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Anthracene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Azobenzene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzidine µg/L N/A <50 <50 -- -- -- <50 <250 -- -- -- -- <50 <50 --Benzo (a) Anthracene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzo (a) Pyrene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzo (b) Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzo (g,h,i) Perylene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzo (k) Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Benzoic acid µg/L N/A <50 <50 -- -- -- <50 <250 -- -- -- -- 280 150 --Benzyl alcohol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 12 --Bis(2-Chloroethoxy) Methane µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Bis(2-Chloroethyl) Ether µg/L N/A <25 <25 -- -- -- <25 <130 -- -- -- -- <25 <25 --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- 13 32 --Butyl Benzyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 10 --Chrysene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Dibenz (a,h) Anthracene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Dibenzofuran µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Diethyl Phthalate µg/L N/A <10 <10 -- -- -- 12 <50 -- -- -- -- 21 18 --Dimethyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Di-n-Butyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 16 --Di-n-Octyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Fluorene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Hexachlorobenzene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --µgHexachlorocyclopentadiene µg/L N/A <25 <25 -- -- -- <25 <130 -- -- -- -- <25 <25 --Hexachloroethane µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Isophorone µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Nitrobenzene µg/L N/A <25 <25 -- -- -- <25 <130 -- -- -- -- <25 <25 --N-Nitroso-di-n-propylamine µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --N-Nitrosodiphenylamino µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Pentachlorophenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Phenanthrene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Phenol µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Pyrene µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Pyridine µg/L N/A <10 <10 -- -- -- <10 <50 -- -- -- -- <10 <10 --Biological ParametersHeterotrophic Plate Count CFU/mL N/A >3,000 -- -- -- -- >3,000 -- -- -- -- -- >3,000 -- --Total Coliforms MPN/100 mL N/A 2,300 -- -- -- -- >160,000 -- -- -- -- -- >160,000 -- --Fecal Coliform MPN/100 mL N/A 2,300 -- -- -- -- 90,000 -- -- -- -- -- 160,000 -- --E. coli MPN/100 mL N/A 5,040 -- -- -- -- 73,800 -- -- -- -- -- 18,500 -- --E. coli MPN/100 mL N/A 5,040 73,800 18,500Field ParameterspH pH units N/A -- -- 8.45 7.04 -- -- 7.74 8.05 -- -- 8.19Temperature (degrees Celsius) degrees Celsius N/A -- -- 15.4 10.2 -- -- 15.8 10.2 -- -- 15.6

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Sample Number / Date Sampled2

S-SW-01 S-SW-02 S-SW-02A S-SW-03

Constituent Units1Fraction 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 02/02/04 02/18/04 10/19/04 12/27/04 02/11/05 12/27/04 02/02/04 02/18/04 10/19/04

Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/A

12/27/04 02/11/05

40 7840 78

<0.1 <0.119 76.2<1 <13.5 1871 900

Fluoride mg/L N/AHardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L Total

0.11 <0.162 290<1 <1

1.22 3.610.32 2.50.68 <0.1<0.1 <0.11.5 1314 15013 1301.2 12

0.35 1.26.65 6.760.24 0.330.3 0.75

1.65 10.73.69 21.3g

Specific Conductance µmhos/cm N/ASulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L Dissolved

130 47011 12076 46031 78024 380

<25 198535 6,570<1 15.4<1 17.81.1 3.69

1.44 5.9113.1 3627.8 225<1 <1<1 <1124 233Boron µg/L Dissolved

Boron µg/L TotalCadmium µg/L DissolvedCadmium µg/L Total

124 233125 1,760<0.2 0.6140.238 2.74

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Constituent Units1Fraction

Chromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L Total

12/27/04 02/11/051.54 3.882.64 21.20.43 0.7<1 2.65<1 7.09

13.5 11.319.2 86.2<100 1,200831 10,100<0.5 58.210.6 956

Manganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L Dissolved

8.17 13126.6 329<0.1 <0.1<0.1 1.271.2 5.71

1.39 7.5<2 102.6 24

1.12 <11.01 <1<1 <1<1 1.48

61.4 21067.5 257<1 <11 <1

<1 <1µgTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L TotalOther ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/A

<1 3.892.18 15.840.7 4144.57 3.46.23 2343.6 35083.2 669

2 54<2 <2-- ---- ---- --

<0.5 <0.5

<0.5 <0.5<1 <1Methyl t Butyl Ether (MTBE) µg/L N/A

Benzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/A

<1 <1<0.5 <0.5<0.5 <0.5<0.5 <0.5

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Constituent Units1Fraction

o-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A

12/27/04 02/11/05<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5

1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A

<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.51.4 3

<0.5 <0.5µg2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/A

<0.5 <0.5<0.5 <0.5<2 <212 42<2 <2

<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5µg

Dibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/A

<0.5 <0.5<0.5 <0.5<0.5 <0.50.78 <0.5

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Constituent Units1Fraction

Diisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/AMethylene Chloride µg/L N/ANaphthalene µg/L N/A

12/27/04 02/11/05<2 <2

<100 550<0.5 <0.5<2 <2

<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5

n-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A

<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<0.5 <0.5<2 <2

<10 <10<0.5 <0.5<1 <1

<0.5 <0.5<0.5 <0.5<0.5 <0.5

-- ---- ---- --, , p µg

2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A

-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --4 Chloroaniline µg/L N/A

4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/A

-- ---- ---- ---- --

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Constituent Units1Fraction

Acenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/A

12/27/04 02/11/05-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --

Benzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/A

-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --µg

Hexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamino µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/A

-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --

-- ---- ---- ---- --E. coli MPN/100 mL N/A

Field ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/A

8.0910.1

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STORM WATER ANALYTICAL RESULTS − SUN VALLEY

Page 94 of 151

Constituent Units1Fraction

Specific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µm2. -- indicates the constituent was not analyzed for. Analytes not detected are indic3. In cases in which the filtered concentrations exceeded the total, the differences a

12/27/04 02/11/05--

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S-LS-01 S-LS-02

Constituent Units1Fraction 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/29/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/19/04 12/08/04 12/29/04

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bromide mg/L N/A 0.14 0.11 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.19 0.12 -- 0.13 0.14 <0.1Calcium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chloride mg/L N/A 28 26 -- 13 11 10 14 13 25 27 38 29 -- 17 16 16Chemical Oxygen Demand mg/L N/A 13 21 -- 53 <5 10 <5 <5 33 32 <5 -- -- 20 <5 13Fluoride mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --uo de g/ N/Hardness (as CaCO3) mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrate (as N) mg/L N/A 15 11 -- 3.1 2.8 3.1 2.2 12 0.98 5.5 1 3.3 -- 17 11 10Nitrite (as N) mg/L N/A <0.1 <0.1 -- <0.1 0.24 <0.1 <0.1 <0.1 0.45 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 0.7 1.4 -- 1.1 0.7 <0.5 <0.5 <0.5 0.98 0.98 0.28 0.84 -- <1 <0.5 <0.5Carbon, Total Organic mg/L N/A 15 3.2 -- 9.4 5 3.7 3.8 2.4 10 6.6 14 -- -- 3.1 2.1 2Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrogen, Organic mg/L N/A <0.5 1.4 -- 1.1 0.7 <0.5 <0.5 <0.5 <0.5 0.98 <0.5 0.84 -- <1 <0.5 <0.5Ammonia-Nitrogen mg/L Total 0.56 <0.2 -- <0.1 <0.1 <0.2 <0.1 <0.2 0.64 <0.14 <0.2 <0.2 -- <0.1 <0.1 <0.2pH pH units N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Total 14 13 -- <0.03 0.6 1.4 0.78 0.53 0.17 0.16 11 -- -- 0.43 0.2 0.6Potassium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sulfate mg/L N/A 280 230 -- 150 91 83 130 120 64 150 280 350 -- 180 160 160Total Dissolved Solids mg/L N/A 920 850 -- 690 510 500 340 470 538 516 1,000 1,100 -- 930 730 720Total Suspended Solids mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Metals3

Aluminum µg/L Dissolved <50 <50 -- <25 <25 <25 <25 <25 <25 <25 <50 <50 -- <25 <25 <25Aluminum µg/L Total <50 <50 -- <25 <25 <25 <25 <25 <25 <25 <50 50.3 -- <25 <25 <25Antimony µg/L Dissolved 2.66 1.53 -- 2.87 2.43 <1 1.59 1.61 <1 <1 <1 <1 -- 3.61 2.41 <1Antimony µg/L Total 1.68 2.02 -- 2.69 2.01 <1 1.87 1.53 <1 1.15 <1 1.04 -- 3.47 2.76 <1Arsenic µg/L Dissolved 15.7 8.08 -- 8.17 5.11 4.63 5.05 1.08 1.39 1.72 9.35 11.4 -- 10.5 4.82 4.85Arsenic µg/L Total 13.3 8.75 -- 7.88 4.38 4.46 4.47 0.941 5.38 1.85 7.95 13.4 -- 10.1 4.58 5.14Barium µg/L Dissolved 120 145 -- 95.8 67.7 59.9 76.4 116 116 244 246 224 -- 117 125 128Barium µg/L Total 159 147 -- 97.5 66.6 60.1 72.1 124 186 278 236 210 -- 112 133 130Beryllium µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Beryllium µg/L Total <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Boron µg/L Dissolved 119 74.5 -- 70.1 85.5 93.5 62.2 136 141 165 96.9 99.5 -- <50 51 62.3

lBoron µg/L Total 72 91.8 -- 68.2 77.8 92.4 56.3 132 169 183 77.8 125 -- <50 52.9 60.5Cadmium µg/L Dissolved 0.272 0.267 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.303 0.501 -- <0.2 <0.2 <0.2Cadmium µg/L Total 0.208 0.365 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.296 0.318 -- <0.2 <0.2 <0.2Chromium µg/L Dissolved 1.37 1.35 2.48 1.91 1.29 1.18 7.18 15.9 2.28 2.15 1.31 1 1.73 20.9 12.1 14.6Chromium µg/L Total 2.14 1.98 -- 2.95 1.41 1.38 7.79 15.3 3.57 184 2.03 3.77 -- 18.3 12.8 14.7Chromium, Hexavalent µg/L Dissolved -- -- 0.47 0.63 1 0.43 6.2 15 <0.2 0.39 -- -- <0.2 31 20 11

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S-LS-01 S-LS-02

Constituent Units1Fraction 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/29/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/19/04 12/08/04 12/29/04

Cobalt µg/L Dissolved <1 1.04 -- 1.39 <1 <1 <1 <1 1.22 1.96 <1 <1 -- <1 <1 <1Cobalt µg/L Total <1 1.22 -- 1.39 <1 <1 <1 <1 1.51 2.51 <1 <1 -- <1 <1 <1Copper µg/L Dissolved 1.78 2.9 -- 7.06 3.64 6.6 8.76 5 2 2.67 3.16 2.6 -- <1 1.44 4.95Copper µg/L Total 2.52 3.92 -- 7.68 3.86 6.61 9.04 5.84 2.01 13.8 3.39 3.96 -- 1.03 1.55 5.52Iron µg/L Dissolved 137 121 -- <100 <100 <100 <100 <100 104 148 128 111 -- <100 <100 153Iron µg/L Total 130 166 -- 269 <100 120 <100 152 2520 965 119 290 -- <100 <100 185Lead µg/L Dissolved <0.5 <0.5 -- <0.5 <0.5 <0.5 0.592 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Lead µg/L Total 5.46 <0.5 -- 1.36 0.551 0.623 1.08 0.934 1.07 1.13 <0.5 0.847 -- <0.5 0.506 <0.5Manganese µg/L Dissolved 225 475 -- 518 70.4 60.7 62.7 31.2 622 85.8 401 136 -- 5.01 5.53 22.2Manganese µg/L Total 29.3 578 -- 506 74.7 60.4 61.4 32.3 773 170 377 119 -- 4.89 6.21 22.9Mercury µg/L Dissolved -- <0.1 -- -- -- -- -- <0.1 <0.1 -- <0.1 -- -- -- --Mercury µg/L Total -- <0.1 -- -- -- -- -- <0.1 <0.1 -- <0.1 -- -- -- --Mercury µg/L Total 0.1 0.1 0.1 0.1Molybdenum µg/L Dissolved 116 92.9 -- 58.4 28.7 24.1 22.4 20.1 24.6 18.2 111 143 -- 27 14.4 14.3Molybdenum µg/L Total 79.9 96.3 -- 55.8 28.6 23.9 21.6 20.8 30.8 20.1 107 137 -- 25.7 15.3 14.3Nickel µg/L Dissolved 13 38 -- 44 49 64 66 58 72 250 24 20 -- 11 5.6 39Nickel µg/L Total 7.5 45 -- 44 53 64 64 58 88 290 22 16 -- 11 5.9 41Selenium µg/L Dissolved 6.49 5.32 -- 2.62 1.41 <1 1.15 <1 1.84 <1 1.13 4.67 -- 3.79 3.52 2.76Selenium µg/L Total 3.11 6.89 -- 2.26 1.27 <1 1.14 <1 1.88 1.06 <1 10.4 -- 3.6 3.48 2.67Silver µg/L Dissolved <1 <1 -- 19.7 1.91 5.65 6.77 <1 <1 <1 <1 <1 -- <1 <1 7.14Silver µg/L Total <1 <1 -- 90.7 3.15 7.92 12.1 8.48 2.97 4.8 <1 <1 -- 2.29 1.64 10.6Strontium µg/L Dissolved 457 489 -- 232 184 160 190 189 255 330 1,050 1,100 -- 371 411 417Strontium µg/L Total 555 539 -- 225 176 156 183 194 303 348 1,000 1,010 -- 362 430 424Thallium µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Thallium µg/L Total <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1Tin µg/L Dissolved <1 <1 -- <1 <1 <1 <1 <1 6.94 <1 <1 <1 -- <1 <1 <1Tin µg/L Total <1 <1 -- <1 <1 <1 <1 <1 48.9 <1 <1 <1 -- <1 <1 <1Titanium µg/L Dissolved 11.8 6.84 -- 5.49 5.56 9.31 9.94 3.01 3.48 4.13 8.99 8.36 -- 4.57 5.2 9.33Titanium µg/L Total 13.4 9.56 -- 6.39 5.44 10.4 12.5 3.92 5.37 6.09 9.86 10.7 -- 4.88 6.06 10.9Vanadium µg/L Dissolved 6.34 6.08 -- 5.6 5.31 9.12 9.57 1.8 <1 2.98 5.55 6.02 -- 6.58 3.42 7.01Vanadium µg/L Dissolved 6.34 6.08 5.6 5.31 9.12 9.57 1.8 <1 2.98 5.55 6.02 6.58 3.42 7.01Vanadium µg/L Total 7.69 6.54 -- 5.6 4.67 9.29 8.62 2.04 3.01 3.47 4.85 4.94 -- 5.62 3.41 7.49Zinc µg/L Dissolved 12.2 17.7 -- <5 5.02 9.09 13 26.7 12 20.2 18.5 24.9 -- 9.4 27.6 31.3Zinc µg/L Total 14.1 19.8 -- <5 <5 9.29 12.1 32.8 15.7 46.2 21.8 61.3 -- 12 23.7 31.8Other ConstituentsOil and Grease mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Perchlorate µg/L N/A -- -- <2 <2 <2 <2 <2 <2 <2 5.2 -- -- <2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5 -- <0.5 <0.5 <0.5Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 -- <1 <1 <1 <1 <0.5 <0.5 <0.5 7.3 6.4 -- <1 <1 <1Benzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5o Xylene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5o-Xylene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A 8.8 8.4 -- 18 9.1 15 5.4 7.4 4.2 2 11 17 -- 13 3.3 17

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S-LS-01 S-LS-02

Constituent Units1Fraction 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/29/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/19/04 12/08/04 12/29/04

1,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A 1.4 1 -- 1.6 0.56 0.84 0.57 0.58 0.77 <0.5 2.1 2 -- 1.8 0.56 1.81,1-Dichloroethylene µg/L N/A 2.4 2.5 -- 3.7 1.8 2.5 0.97 1.1 0.62 <0.5 2.4 4.4 -- 2.5 0.76 4.21,1-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2 Dichlorobenzene µg/L N/A 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 -- <1 <1 <1 <1 <2 <2 <2 <1 <1 -- <1 <1 1.22-Chlorotoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 -- <2 <2 <2 <2 <5 <5 <5 <2 <2 -- <2 <2 <2Acetone µg/L N/A <2 <2 -- 7.3 <2 <2 3.1 <10 <10 <10 29 30 -- 13 12 20Acrylonitrile µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Carbon disulfide µg/L N/A 54 12 -- <0.5 2.3 2.8 3.3 0.68 <0.5 <0.5 2.3 10 -- 3.4 7.1 6.4Carbon Tetrachloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 0.62 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2Ethanol µg/L N/A <100 <100 -- <100 <100 <100 <100 <50 <50 <50 <100 <100 -- <100 <100 <100Ethyl Methacrylate µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Ethyl Methacrylate µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <0.5

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Constituent Units1Fraction 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/29/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/19/04 12/08/04 12/29/04

Methylene Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5 -- <0.5 <0.5 <0.5Naphthalene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 -- 24 <10 21 15 <10 <10 <10 <10 <10 -- <10 <10 23tert-Butylbenzene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 -- <1 <1 <1 <1 <5 <5 <5 <1 <1 -- <1 <1 <1Tetrahydrofuran µg/L N/A 1 1 1 1 1 1 5 5 5 1 1 1 1 1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Constituent Units1Fraction 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/29/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/19/04 12/08/04 12/29/04

Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di n Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluorene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Biological ParametersBiological ParametersHeterotrophic Plate Count CFU/mL N/A 34,000 -- -- -- -- -- -- -- -- -- 120,000 -- -- -- -- --Total Coliforms MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- -- <20 -- -- -- -- --Fecal Coliform MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- -- <20 -- -- -- -- --E. coli MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- -- <20 -- -- -- -- --Field ParameterspH pH units N/A -- -- -- 7.98 -- 7.85 -- -- -- -- -- -- -- 7.63 7.30 7.42Temperature (degrees Celsius) degrees Celsius N/A -- -- -- 22.6 -- 17.2 -- -- -- -- -- -- -- 21.4 19.8 17.0Specific Conductance µmhos/cm N/A -- -- -- 920 -- 623 -- -- -- -- -- -- -- 1,593 1,121 930

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

S-LS-03

02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

<0.1 <0.1 <0.1 <0.1 0.15 <0.1 -- 0.14 <0.1 <0.1 <0.1 0.12 <0.1 <0.1 0.32 0.23-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --13 9.4 9.1 15 28 23 -- 30 14 13 12 12 <10 23 35 21<5 <5 <5 11 <250 <5 -- 35 <5 13 <5 <5 <5 180 -- <5-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --uo de g/ N/

Hardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

1.7 1.3 4.5 15 15 17 -- 12 2.3 2.3 1.9 4 13 22 11 36<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.5 <0.5 <0.5 <0.5 0.42 0.7 -- 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- 0.562.5 2.2 1.6 3.6 7.6 3 -- 3 1.9 1.7 1.6 1.5 1.3 2.6 -- 3.2-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

<0.5 <0.5 <0.5 <1 <0.5 0.7 -- 1.1 <0.5 <0.5 <0.5 <0.5 <0.5 <1 -- <0.5<0.1 <0.13 <0.16 <0.4 <0.2 <0.2 -- <0.1 <0.1 <0.2 <0.1 <0.13 <0.13 <0.5 -- 0.28

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- <0.03 0.6 -- -- -- -- -- -- -- 1.4 0.78 0.53 -- --

0.67 0.37 0.28 0.95 0.49 14 -- <0.03 0.14 0.69 0.46 0.33 0.25 4.6 -- 14-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A

Sulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L Dissolved

l

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --59 83 77 130 230 290 -- 190 79 75 48 68 60 81 160 390

2,200 610 650 626 940 1,000 -- 700 420 440 350 356 438 474 740 1,300-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

<25 <25 <25 <25 <50 <50 -- <25 <25 <25 <25 <25 <25 <25 <50 <50<25 <25 <25 <25 <50 <50 -- <25 <25 <25 <25 <25 <25 <25 <50 <504.39 1.54 1.6 <1 1.08 <1 -- 1.15 <1 <1 <1 <1 <1 <1 1.21 1.124.31 1.72 1.65 1.27 2.31 1.21 -- 1.27 1.3 <1 <1 <1 <1 <1 1.12 1.611.2 2.25 1.7 2.38 4.71 5.16 -- <0.5 <0.5 <0.5 0.701 <0.5 0.831 1.45 6.97 5.6411.3 2.77 1.93 2.21 5.56 6.65 -- <0.5 <0.5 0.798 0.563 <0.5 0.717 1.5 6.33 7.7988.6 184 251 336 196 207 -- 190 117 113 113 167 170 214 216 25088 209 251 348 207 228 -- 194 126 112 106 179 169 230 218 284<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1

<50 85.7 68.8 74.6 131 113 -- 112 104 120 64.1 107 96.1 103 92.8 86Boron µg/L TotalCadmium µg/L DissolvedCadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L Dissolved

<50 97.3 74.3 79.4 126 155 -- 113 109 117 73.6 116 101 109 84.9 118<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.23 0.215<0.2 <0.2 <0.2 <0.2 <0.2 0.218 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.215 0.29325.1 12.7 4.89 16.3 1.39 1.38 13.4 18.9 11 18.6 21.3 12 4.04 11.5 1.6 2.5227 15.2 5.33 18 2.17 1.56 -- 19.2 12.3 18.9 21.1 12.7 9.63 12.9 1.58 3.5320 13 23 20 -- -- 12 26 15 17 20 13 11 16 -- --

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Constituent Units1Fraction

Cobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L Total

Sample Number / Date Sampled2

S-LS-03

02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04

<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1

7.77 5.54 2.78 4.39 1.14 1.71 -- 3.87 4.02 6.54 7.07 8.2 2.78 3.76 41.5 3.678.23 6.97 2.93 5.65 2.35 2.92 -- 4.18 3.9 6.73 6.58 8.98 4.19 4.45 33.7 6.83<100 107 <100 148 <100 <100 -- <100 <100 <100 <100 142 132 160 <100 106<100 162 104 264 150 226 -- <100 <100 165 <100 162 127 222 <100 160<0.5 <0.5 <0.5 <0.5 0.608 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 1.68 <0.5<0.5 0.884 <0.5 4.48 1.51 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.771 1.48 <0.548.6 51.8 19.9 9.78 104 84.6 -- 6.32 8.24 17.2 33 10.9 3.91 3.79 496 97.950.1 59.6 21.1 11.5 75.4 85.8 -- 7.35 8.76 17.6 32.1 11.4 7.92 4.62 519 145

-- <0.1 <0.1 -- <0.1 -- -- -- -- -- <0.1 <0.1 -- <0.1-- <0.1 <0.1 -- <0.1 -- -- -- -- -- <0.1 <0.1 -- <0.1Mercury µg/L Total

Molybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L Dissolved

0.1 0.1 0.1 0.1 0.1 0.120.7 19.1 11.5 23.4 50.8 60.6 -- 32.9 14.7 15.2 10.4 9.72 5.98 10.5 20.7 71.821.3 20.3 11.8 25 51 64.6 -- 33.7 15.7 14.9 10.3 10.3 9.16 11.5 20.4 85.2150 47 19 25 11 9.1 -- 16 5.6 11 23 18 6.7 11 49 15150 49 20 27 11 12 -- 17 5.7 11 22 18 11 12 44 202.44 <1 <1 <1 3.24 6.3 -- 2.73 <1 <1 <1 <1 <1 <1 <1 10.82.53 <1 <1 1.33 4.74 10.1 -- 2.85 1.39 1.04 <1 <1 <1 <1 <1 18.25.87 3.2 3.05 <1 <1 <1 -- 2.58 <1 9.69 6.18 5.48 <1 3.75 <1 <18.94 9.97 3.09 1.79 <1 <1 -- 5.87 3.05 11.9 7.53 7.05 4.78 5.85 <1 <1278 317 350 440 964 848 -- 725 475 478 453 517 514 647 949 1,120285 361 363 452 965 999 -- 745 511 471 431 545 526 693 944 1,390<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 7.01 <1 <1 <111 3.43 4.52 6.41 8.91 5.48 -- 3.65 3.69 6.23 6.14 1.83 2.23 2.52 9.91 5.31

10.7 5.27 4.06 8.82 7.25 11.7 -- 4.02 4.15 7.6 6 2.03 2.38 3.96 10.4 10.511 3.51 3.19 4.59 11.9 12.5 -- 1.71 1.95 3.17 2.6 1.38 1.77 3.73 6.63 9.89Vanadium µg/L Dissolved

Vanadium µg/L TotalZinc µg/L DissolvedZinc µg/L TotalOther ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao Xylene µg/L N/A

11 3.51 3.19 4.59 11.9 12.5 1.71 1.95 3.17 2.6 1.38 1.77 3.73 6.63 9.8911.1 4.1 3.14 4.63 11.9 14.8 -- 1.68 <1 2.85 2.4 1.65 1.64 4.24 6.37 11.625.3 44.6 41 62.7 18.6 17 -- <5 7.63 14.9 12.5 17 11.5 20.2 49.7 27.324.3 43.8 42.7 128 18.8 59.8 -- 14.2 8.37 27 8.58 15.6 12.7 42.7 52.5 38.8

-- -- -- -- -- -- -- -- -- -- -- -- --<2 <2 <2 1.9 -- -- 5.3 7.2 <2 <2 <2 <2 <2 3.3 -- ---- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- --

<0.5 <2 <2 <2 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <0.5 <0.5 <0.5 <1 <1 -- <1 <1 <1 <1 <0.5 <0.5 <0.5 1.3 1.2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5o-Xylene µg/L N/A

p/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.58.5 4.1 2.2 3.3 5.2 12 -- 18 6.7 9.7 8 6.5 5.7 3.6 10 17

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Page 102 of 151

Constituent Units1Fraction

1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A

Sample Number / Date Sampled2

S-LS-03

02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51.8 <0.5 <0.5 <0.5 0.74 1.1 -- 1.4 <0.5 0.73 <0.5 0.5 <0.5 <0.5 1.2 1.32.2 <0.5 <0.5 <0.5 1.3 3.5 -- 4.1 2.1 2.7 2.5 1.2 0.79 0.59 2.3 4.4

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2 Dichlorobenzene µg/L N/A

1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/A

0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 0.97 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <2 <2 <2 <1 <1 -- <1 <1 <1 <1 <2 <2 <2 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <5 <5 <5 <2 <2 -- <2 <2 <2 <2 <5 <5 <5 <2 <26.4 <10 <10 <10 <2 <2 -- <2 2 4.4 <2 <10 <10 <10 5.5 <2<2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A

Bromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51.6 1 <0.5 <0.5 76 5.6 -- <0.5 0.89 0.78 0.8 <0.5 <0.5 <0.5 0.99 0.95

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2

<100 <50 <50 <50 <100 <100 -- <100 <100 <100 <100 <50 <50 <50 <100 <100<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl Methacrylate µg/L N/A

Ethyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <5 <5 <5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5

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March 2008 TABLE C-13

LYSIMETER ANALYTICAL RESULTS − SUN VALLEY

Page 103 of 151

Constituent Units1Fraction

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/A

Sample Number / Date Sampled2

S-LS-03

02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04

<0.5 <2 <2 <2 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2 <2 <2 <211 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10 <10 <10 <10 <10

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <5 <5 <5 <1 <1 -- <1 <1 <1 <1 <5 <5 <5 <1 <1Tetrahydrofuran µg/L N/A

trans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A

1 5 5 5 1 1 1 1 1 1 5 5 5 1 1<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A

2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A

Benzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Constituent Units1Fraction

Benzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/A

Sample Number / Date Sampled2

S-LS-03

02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di n Butyl Phthalate µg/L N/A

Di-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological Parameters

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µm2. -- indicates the constituent was not analyzed for. Analytes not detected are indic3. In cases in which the filtered concentrations exceeded the total, the differences a

-- -- -- -- 28,000 -- -- -- -- -- -- -- -- -- -- ---- -- -- -- <20 -- -- -- -- -- -- -- -- -- -- ---- -- -- -- <20 -- -- -- -- -- -- -- -- -- -- ---- -- -- -- <20 -- -- -- -- -- -- -- -- -- -- --

-- -- -- -- -- -- -- 7.49 7.49 7.18 -- -- -- -- -- ---- -- -- -- -- -- -- 18.5 18.0 13.5 -- -- -- -- -- ---- -- -- -- -- -- -- 980 662 366 -- -- -- -- -- --

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Constituent Units1Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

S-LS-04 S-LS-05

04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 12/08/04 12/28/04 02/12/05 01/04/06 02/28/06 02/23/07

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.29 <0.2 <0.1 <0.1 <0.1 0.11-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- 8.1 9.6 10 16 <10 <10 9.5 66 34 81 11 11 9.7-- 15 <5 15 <5 <5 <5 18 13 51 15 5.1 5 180-- -- -- -- -- -- -- -- -- -- -- -- -- --uo de g/ N/

Hardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- 5.3 0.69 0.43 1.4 8.5 21 3.6 <0.2 0.77 0.72 <0.1 <0.1 7.5-- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.2 <0.2 0.19 <0.1 <0.1 0.19-- <1 <0.5 <0.5 <0.5 <0.5 <0.5 1.3 6.7 0.98 <0.5 0.42 0.84-- 1.3 1.9 2 1.9 1.2 2.3 3.8 9.3 3.3 4.5 3.5 2.7 4.5-- -- -- -- -- -- -- -- -- -- -- -- -- ---- <1 <0.5 <0.5 <0.5 <0.5 <0.5 -- 0.98 6.7 0.98 <0.5 <0.5 0.84-- <0.1 <0.1 <0.2 <0.1 <0.13 <0.13 -- 0.28 <0.2 <0.1 <0.16 0.27 <0.2-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- 0.17 0.16 -- -- -- -- -- -- ---- <0.03 0.065 0.21 0.7 0.23 0.26 4.7 0.46 1.1 0.55 0.54 0.22 3.1-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A

Sulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L Dissolved

l

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- 120 52 60 50 76 82 66 3,000 1,800 270 71 79 75-- 410 410 430 310 524 538 382 4,500 2,900 810 740 630 590-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

-- <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25-- <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25-- 1.21 <1 <1 <1 <1 <1 <1 1.22 <1 3.3 <1 <1 1.22-- 1.33 <1 <1 <1 <1 <1 <1 1.27 <1 3.36 <1 <1 1.31-- 2.51 2.36 2.92 2.16 0.765 1.16 1.6 3.17 20.8 31.2 2.06 1.34 0.91-- 2.18 1.84 2.88 1.96 1.16 1.09 1.82 3.12 21 30.6 3.29 0.97 1.2-- 206 142 146 131 385 408 254 114 77.6 37.4 199 215 238-- 195 150 155 132 448 411 263 125 82.6 39.3 245 205 258-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1-- 122 118 139 70 95.8 94.6 99.3 88.7 90.5 65.4 97.5 89.5 105

Boron µg/L TotalCadmium µg/L DissolvedCadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L Dissolved

-- 120 122 150 76.6 90.9 90.7 108 91.2 94.9 68.3 153 91.1 117-- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.586 0.428 0.2 <0.2 <0.2 <0.2-- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.672 0.508 0.22 <0.2 <0.2 <0.2

4.45 3.73 3.48 6.81 1.62 2.24 5.14 7.32 <1 1.94 2.17 <1 <1 <1-- 3.73 4.33 7.43 2.36 3.59 4.79 7.56 2.86 3.67 4.01 9.94 1.19 2.873 4.6 4.7 5.5 1.3 3.4 6.3 11 <0.2 1 0.8 <0.2 <0.2 0.36

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Constituent Units1Fraction

Cobalt µg/L DissolvedCobalt µg/L TotalCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L Total

S-LS-04 S-LS-05

04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 12/08/04 12/28/04 02/12/05 01/04/06 02/28/06 02/23/07

-- <1 <1 <1 <1 <1 <1 <1 1.08 <1 <1 <1 <1 <1-- <1 <1 <1 <1 <1 <1 <1 1.14 <1 <1 1.33 <1 1.31-- 3.07 2.74 4.87 6.72 4.75 3.11 2.47 2.3 3.76 5.19 <1 <1 1.86-- 3.36 3.22 5.46 7.21 5.98 3 3.24 2.4 3.49 5.99 1.63 1.24 3.11-- <100 <100 109 <100 194 191 <100 <100 132 177 168 132 <100-- <100 <100 205 <100 270 197 169 105 268 399 2030 225 236-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.838 <0.5 <0.5 <0.5-- <0.5 <0.5 0.571 <0.5 0.82 <0.5 0.956 0.582 3.57 3.35 2.29 1.31 1.36-- 2.59 48.4 44.5 42.1 6.25 4.39 2.91 1,280 3 8.14 351 205 145-- 3.04 50.9 46.8 43.2 8.05 4.37 4.55 1,310 179 70.7 432 204 201-- -- -- -- -- <0.1 <0.1 -- -- -- <0.1 <0.1 <0.1 ---- -- -- -- -- <0.1 <0.1 -- -- -- <0.1 <0.1 <0.1 --Mercury µg/L Total

Molybdenum µg/L DissolvedMolybdenum µg/L TotalNickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L Dissolved

0.1 0.1 0.1 0.1 0.1-- 35.2 10.2 11.9 5.48 6.43 5.5 8.44 291 248 117 11.4 10.6 6.84-- 33.2 10.7 12.5 5.53 7.46 5.23 9.39 322 256 120 16.4 9.58 8.01-- 37 11 16 26 29 16 10 38 27 21 31 25 34-- 36 11 17 26 32 15 12 39 30 22 35 24 40-- 2.99 1.04 <1 <1 <1 <1 <1 1.38 7.01 2.84 <1 <1 1.06-- 2.51 <1 1.1 <1 <1 <1 <1 1.64 7.2 2.93 <1 <1 3.36-- 2.02 1.54 4.87 3.05 6.09 <1 2.09 <1 <1 1.74 <1 <1 <1-- 5.92 6.32 7.37 5.41 8.98 1.54 4.67 <1 <1 2.32 <1 <1 <1-- 665 417 434 386 666 747 445 2,110 722 387 468 496 505-- 633 436 459 397 774 729 501 2,370 752 394 645 491 545-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1-- <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 2.64 <1-- 4.19 4.42 7.71 5.7 2.18 2.58 3.19 5.12 9.64 11.6 3.71 3.43 3.43-- 4.23 4.53 10.8 6.05 3.19 2.41 3.55 6.04 12.6 14 4.49 3.41 4.8-- 2.35 1.46 3.29 2.98 <1 1.11 3.04 1.6 1.9 1.13 <1 <1 3.89Vanadium µg/L Dissolved

Vanadium µg/L TotalZinc µg/L DissolvedZinc µg/L TotalOther ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao Xylene µg/L N/A

2.35 1.46 3.29 2.98 <1 1.11 3.04 1.6 1.9 1.13 <1 <1 3.89-- 2.23 1.13 3.34 2.62 1.55 1.19 3.4 1.48 2.03 <1 <1 <1 4.52-- 18.7 21.2 28.7 21 49.9 42 39.3 9.65 28.6 7.37 17.3 21.4 17.9-- 17.7 20.2 39.6 22.5 89.3 39.4 35.5 10.2 38.2 16.2 34.4 23.6 95.2

-- -- -- -- -- -- -- -- -- -- -- -- -- --2.4 <2 <2 <2 <2 <2 4.2 2.1 <2 <2 <2 <2 <2 0.74-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <10 <0.5 <10 <2 <2 <2

-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <1 <1 <0.5 <1 <0.5 <0.5 <0.5 <20 <1 <20 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5

<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <10 <0 5 <10 <0 5 <0 5 <0 5o-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1,1,1,2-Tetrachloroethane µg/L N/A1,1,1-Trichloroethane µg/L N/A

-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- 14 8.3 4.9 3.7 3.7 3.3 3.4 <10 1.4 <10 1 1.6 1.6

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Constituent Units1Fraction

1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A

S-LS-04 S-LS-05

04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 12/08/04 12/28/04 02/12/05 01/04/06 02/28/06 02/23/07

-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- 1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- 3.3 2.6 1.3 1.3 <0.5 <0.5 <0.5 <10 <0.5 <10 0.61 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.51,2 Dichlorobenzene µg/L N/A

1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1,3,5-Trimethylbenzene µg/L N/A1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/A

0.5 0.5 0.5 0.5 0.5 0.5 0.5 10 0.5 10 0.5 0.5 0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <1 <1 <1 <1 <2 <2 <2 <20 85 670 <2 3.8 7.6-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <10 6.5 <10 11 <5 <5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <2 <2 <2 <2 <5 <5 <5 <40 <2 <40 <5 <5 <5-- 2.6 2.6 4.5 <2 <10 <10 <10 56 290 2200 35 51 160-- <2 <2 <2 <2 <2 <2 <2 <40 <2 <40 <2 <2 <2-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5Bromobenzene µg/L N/A

Bromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/AChloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- 0.61 1.1 0.57 2.2 0.74 <0.5 <0.5 <10 1.8 <10 0.77 0.68 1.6-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 2.1 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <2 <2 <2 <2 <2 <2 <2 <40 <2 <40 <2 <2 <2-- <100 <100 <100 <100 <50 <50 <50 <2,000 <100 <2,000 <50 <50 <50-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5Ethyl Methacrylate µg/L N/A

Ethyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <2 <2 <2 <2 <2 <2 <2 <40 <2 <40 <2 <2 <2-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <10 <0.5 <10 <5 <5 <5

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Constituent Units1Fraction

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/AStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/A

S-LS-04 S-LS-05

04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 12/08/04 12/28/04 02/12/05 01/04/06 02/28/06 02/23/07

-- <0.5 <0.5 <0.5 <0.5 <2 <2 <2 47 <0.5 22 <2 <2 <2-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <2 <2 <2 <2 <2 <2 <2 <40 <2 <40 <2 <2 <2-- <10 54 39 12 <10 <10 <10 <200 10 <200 <10 <10 <10-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <1 <1 <1 <1 <5 <5 <5 <20 <1 <20 <5 <5 <5Tetrahydrofuran µg/L N/A

trans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A

1 1 1 1 5 5 5 20 1 20 5 5 5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5-- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <10 <0.5 <0.5 <0.5

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A

2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A

Benzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/A

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

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Constituent Units1Fraction

Benzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/ABis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/ADibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/A

S-LS-04 S-LS-05

04/03/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 12/08/04 12/28/04 02/12/05 01/04/06 02/28/06 02/23/07

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --Di n Butyl Phthalate µg/L N/A

Di-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological Parameters

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

Biological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µm2. -- indicates the constituent was not analyzed for. Analytes not detected are indic3. In cases in which the filtered concentrations exceeded the total, the differences a

-- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- --

-- 7.73 7.47 8.23 -- -- -- -- -- 8.42 -- -- -- ---- 16.9 18.2 13.0 -- -- -- -- -- 17.0 -- -- -- ---- 787 630 501 -- -- -- -- -- 3,550 -- -- -- --

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

EV-10

Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 290 280 250Bicarbonate (as CaCO3) mg/L N/A 290 280 250Bromide mg/L N/A 0.12 0.12 0.17Calcium mg/L Total 82.3 93.4 87.9Carbonate (as CaCO3) mg/L N/A <1 <1 <1Chloride mg/L N/A 25 26 25Chemical Oxygen Demand mg/L N/A 5 5.1 <5Fluoride mg/L N/A 0.41 0.7 0.58Hardness (as CaCO3) mg/L Total 310 320 290Hydroxide (as CaCO3) mg/L N/A <1 <1 <1Magnesium mg/L Total 22.8 23.1 19.7MBAS (Surfactants) mg/L N/A <0.1 <0.1 <0.1Nitrate (as N) mg/L N/A 2.1 1.7 2Nitrite (as N) mg/L N/A <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 0.14 <0.5 <0.5Carbon, Total Organic mg/L N/A 1.2 1.3 1.2Carbon, Dissolved Organic mg/L N/A 3.4 3.4 2Nitrogen, Organic mg/L N/A <0.5 <0.5 <0.5Ammonia-Nitrogen mg/L Total <0.1 <0.1 <0.1pH pH units N/A 7.21 7.09 7.19Phosphorus mg/L Dissolved 0.051 0.045 0.16Phosphorus mg/L Total 0.11 0.44 0.46Phosphorus mg/L Total 0.11 0.44 0.46Potassium mg/L Total 4.86 4.88 5.08Sodium mg/L Total 34.9 33.2 36Specific Conductance µmhos/cm N/A 710 670 650Sulfate mg/L N/A 190 60 82Total Dissolved Solids mg/L N/A 430 420 400Total Suspended Solids mg/L N/A 14 1.5 <1Turbidity NTU N/A 63 23 9.7

Metals3

Aluminum µg/L Dissolved <50 <25 <25Aluminum µg/L Total <50 <25 <25Antimony µg/L Dissolved <1 <1 <1Antimony µg/L Total <1 <1 1.07Arsenic µg/L Dissolved <0.5 0.879 <0.5Arsenic µg/L Total <0.5 0.849 0.949Barium µg/L Dissolved 91 88.6 95.1Barium µg/L Total 105 96.9 108Beryllium µg/L Dissolved <1 <1 <1Beryllium µg/L Total <1 <1 <1Boron µg/L Dissolved 178 134 148Boron µg/L Total 188 131 147

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Sample Number / Date Sampled2

EV-10

Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

Cadmium µg/L Dissolved <0.2 <0.2 <0.2Cadmium µg/L Total <0.2 <0.2 <0.2Chromium µg/L Dissolved 1.17 <1 <1Chromium µg/L Total 1.78 <1 5.4Chromium, Hexavalent µg/L Dissolved 0.23 0.26 0.62Cobalt µg/L Dissolved <1 <1 <1Cobalt µg/L Total <1 <1 <1Copper µg/L Dissolved 1.03 1.13 2.67Copper µg/L Total 5.25 4 4.95Iron µg/L Dissolved <100 <100 180Iron µg/L Total 3,990 2,180 7830Lead µg/L Dissolved <0.5 <0.5 <0.5Lead µg/L Total 1.07 0.652 1.35Manganese µg/L Dissolved 10.5 5.47 8.84Manganese µg/L Total 14.9 9.17 40.4Mercury µg/L Dissolved <0.1 <0.1 <0.1Mercury µg/L Total <0.1 <0.1 <0.1Molybdenum µg/L Dissolved 5.77 6.12 6.54Molybdenum µg/L Total 6.07 6.29 6.42Nickel µg/L Dissolved 3.7 <2 3Nickel µg/L Total 3.2 <2 4.8Selenium µg/L Dissolved <1 <1 <1Selenium µg/L Total <1 <1 <1Silver µg/L Dissolved <1 <1 <1Silver µg/L Total <1 <1 <1Strontium µg/L Dissolved 772 742 817Strontium µg/L Dissolved 772 742 817Strontium µg/L Total 806 761 785Thallium µg/L Dissolved <1 <1 <1Thallium µg/L Total <1 <1 <1Tin µg/L Dissolved <1 <1 <1Tin µg/L Total <1 <1 10.3Titanium µg/L Dissolved 2.56 2.09 1.51Titanium µg/L Total 3.01 2.35 2.54Vanadium µg/L Dissolved <1 3.19 1.97Vanadium µg/L Total 2.54 3.87 5.69Zinc µg/L Dissolved 14.2 61.6 15.2Zinc µg/L Total 40.8 42.7 67.9Other ConstituentsOil and Grease mg/L N/A < 1 <1 --Perchlorate µg/L N/A < 2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <0.01 -- --Glyphosate µg/L N/A -- -- --1,4-Dioxane µg/L N/A -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 <0.5 <2Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

EV-10

Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 <0.5Benzene µg/L N/A <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A 1.2 1.2 8.4Tetrachloroethylene (PCE) µg/L N/A 4.1 4.9 2.61,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A 3.5 3.6 0.961,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 0.64 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.51,3,5 Trimethylbenzene µg/L N/A 0.5 0.5 0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 <22-Chlorotoluene µg/L N/A <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 <54-Chlorotoluene µg/L N/A <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 <5Acetone µg/L N/A <2 2.5 <10Acrylonitrile µg/L N/A <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

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Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A 5.1 5.8 4.1Diethyl Ether µg/L N/A <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 <2Ethanol µg/L N/A <100 <100 <50Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <5Methylene Chloride µg/L N/A 0.81 0.73 <2Naphthalene µg/L N/A <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 <10Tert Butyl Alcohol (TBA) µg/L N/A 10 10 10tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <5trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A 1.1 1.1 0.75Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 -- --2,4,5-Trichlorophenol µg/L N/A <10 -- --2,4,6-Trichlorophenol µg/L N/A <10 -- --2,4-Dichlorophenol µg/L N/A <10 -- --2,4-Dimethylphenol µg/L N/A <10 -- --2,4-Dinitrophenol µg/L N/A <50 -- --2,4-Dinitrotoluene µg/L N/A <10 -- --2,6-Dinitrotoluene µg/L N/A <10 -- --2-Chloronaphthalene µg/L N/A <10 -- --2-Chlorophenol µg/L N/A <10 -- --2-Methylnaphthalene µg/L N/A <10 -- --2-Methylphenol (o-Cresol) µg/L N/A <10 -- --2-Nitroaniline µg/L N/A <10 -- --2-Nitrophenol µg/L N/A <10 -- --

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Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

3,3'-Dichlorobenzidine µg/L N/A <25 -- --3-Nitroaniline µg/L N/A <10 -- --4,6-Dinitro-2-Methylphenol µg/L N/A <50 -- --4-Bromophenyl-Phenyl Ether µg/L N/A <10 -- --4-Chloro-3-Methylphenol µg/L N/A <10 -- --4-Chloroaniline µg/L N/A <10 -- --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 -- --4-Methylphenol (p-Cresol) µg/L N/A <10 -- --4-Nitroaniline µg/L N/A <10 -- --4-Nitrophenol µg/L N/A <10 -- --Acenaphthene µg/L N/A <10 -- --Acenaphthylene µg/L N/A <10 -- --Aniline µg/L N/A <10 -- --Anthracene µg/L N/A <10 -- --Azobenzene µg/L N/A <10 -- --Benzidine µg/L N/A <50 -- --Benzo (a) Anthracene µg/L N/A <10 -- --Benzo (a) Pyrene µg/L N/A <10 -- --Benzo (b) Fluoranthene µg/L N/A <10 -- --Benzo (g,h,i) Perylene µg/L N/A <10 -- --Benzo (k) Fluoranthene µg/L N/A <10 -- --Benzoic acid µg/L N/A <50 -- --Benzyl alcohol µg/L N/A <10 -- --Bis(2-Chloroethoxy) Methane µg/L N/A <10 -- --Bis(2-Chloroethyl) Ether µg/L N/A <25 -- --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 -- --Bis(2 Chloroisopropyl) Ether µg/L N/A 10Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 -- --Butyl Benzyl Phthalate µg/L N/A <10 -- --Chrysene µg/L N/A <10 -- --Dibenz (a,h) Anthracene µg/L N/A <10 -- --Dibenzofuran µg/L N/A <10 -- --Diethyl Phthalate µg/L N/A <10 -- --Dimethyl Phthalate µg/L N/A <10 -- --Di-n-Butyl Phthalate µg/L N/A <10 -- --Di-n-Octyl Phthalate µg/L N/A <10 -- --Fluoranthene µg/L N/A <10 -- --Fluorene µg/L N/A <10 -- --Hexachlorobenzene µg/L N/A <10 -- --Hexachlorocyclopentadiene µg/L N/A <25 -- --Hexachloroethane µg/L N/A <10 -- --Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 -- --Isophorone µg/L N/A <10 -- --Nitrobenzene µg/L N/A <25 -- --N-Nitroso-di-n-propylamine µg/L N/A <10 -- --N-Nitrosodiphenylamine µg/L N/A <10 -- --Pentachlorophenol µg/L N/A <10 -- --

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Constituent Units1Fraction 05/25/04 03/15/05 10/20/05

Phenanthrene µg/L N/A <10 -- --Phenol µg/L N/A <10 -- --Pyrene µg/L N/A <10 -- --Pyridine µg/L N/A <10 -- --Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- -- --Total Coliforms MPN/100 mL N/A -- -- --Fecal Coliform MPN/100 mL N/A -- -- --E. coli MPN/100 mL N/A -- -- --Field ParameterspH pH units N/A -- -- --Temperature (degrees Celsius) degrees Celsius N/A -- -- --Specific Conductance µmhos/cm N/A -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 12 11 12 26 24 45 33 30 34 40Bicarbonate (as CaCO3) mg/L N/A 12 11 12 26 24 45 33 30 34 40Bromide mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Calcium mg/L Total 2.38 3.49 2.99 12.6 5.21 5.58 6.05 11.1 19.2 7.78Carbonate (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Chloride mg/L N/A 1.6 3.4 5.4 26 7.3 9.4 8.5 22 31 5.2Ch i l O D d /L N/A 62 140 53 530 250 410 420 150 690 270Chemical Oxygen Demand mg/L N/A 62 140 53 530 250 410 420 150 690 270Fluoride mg/L N/A <0.1 <0.1 <0.1 0.17 <0.1 0.16 0.24 0.32 0.46 <0.1Hardness (as CaCO3) mg/L Total 10 14 30 64 38 22 72 80 96 58Hydroxide (as CaCO3) mg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Magnesium mg/L Total 0.534 0.737 0.89 5.99 1.3 2.79 2 4.31 7.8 2.33MBAS (Surfactants) mg/L N/A 0.24 0.77 0.3 1.1 0.55 0.11 0.69 0.28 0.77 0.37Nitrate (as N) mg/L N/A 0.22 0.34 0.26 0.95 0.11 0.41 0.89 0.91 1.9 <0.1Nitrite (as N) mg/L N/A <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 2.5 2.9 2.8 7.1 10 4.6 6 4.2 6.6 6.2Carbon, Total Organic mg/L N/A 14 26 10 180 47 160 150 16 180 65Carbon, Dissolved Organic mg/L N/A 12 26 13 160 43 150 150 17 160 50Nitrogen, Organic mg/L N/A 1.9 1.4 2.2 5.5 9.1 4 4.9 3.3 4.8 6Ammonia-Nitrogen mg/L Total 0.6 1.5 0.63 1.6 0.91 0.63 1.1 0.91 1.8 0.21pH pH units N/A 6.77 7.01 5.92 6.33 6.04 6.68 6.61 6.3 6.62 6.3Phosphorus mg/L Dissolved 0.26 0.22 0.39 1.4 0.69 0.5 0.47 0.72 1.2 0.71Phosphorus mg/L Total 0.29 0.52 0.64 1.9 0.73 0.51 5.9 0.75 2.1 1.3Potassium mg/L Total 2.96 3.77 5.67 21.2 8.8 31.3 24.1 6.34 27.4 12.6Sodium mg/L Total 1.26 2.88 3.74 14.5 3.59 7.9 5.91 21 26.8 5.27Specific Conductance µmhos/cm N/A 40 68 64 260 82 190 180 220 390 110Sulfate mg/L N/A 2.6 4.1 4.2 15 2.3 13 9.3 25 34 2.9Total Dissolved Solids mg/L N/A 20 68 93 290 94 170 290 130 470 140Total Suspended Solids mg/L N/A 22 72 20 180 390 42 89 210 130 210Turbidity NTU N/A 13 31 18 55 51 28 54 52 84 74

Metals3

Aluminum µg/L Dissolved <50 <50 <25 67.7 <25 <50 86.4 80.3 120 53.2Aluminum µg/L Total 318 707 302 2,140 1,310 491 948 2,050 2,740 626Antimony µg/L Dissolved <1 1.24 <1 <1 1.16 <1 1.57 1.51 <1 <1Antimony µg/L Total <1 1.79 1.04 <1 2.22 <1 2.34 1.46 <1 1.47Arsenic µg/L Dissolved <0.5 <0.5 <0.5 1.03 <0.5 <0.5 <0.5 <0.5 1.94 1.01Arsenic µg/L Total 0.55 <0.5 <0.5 1.79 0.809 0.935 0.584 1.17 2.54 1.15Barium µg/L Dissolved 3.94 8.1 4.23 23.4 11.9 11 125 18 35.3 14.3Barium µg/L Total 15.1 30.6 13 64.3 46.4 20.6 41 72.7 73.3 28.9Beryllium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Boron µg/L Dissolved 55.3 <50 <50 80.3 58.2 138 135 70 120 92Boron µg/L Total <50 <50 <50 81.3 <50 142 119 67.8 178 120Cadmium µg/L Dissolved <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.316 <0.2Cadmium µg/L Total <0.2 0.214 <0.2 0.513 0.413 <0.2 0.291 0.51 0.608 0.221Chromium µg/L Dissolved <1 <1 1.45 3.12 <1 2.01 2.35 2.2 4.66 1.3

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Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05Chromium µg/L Total 1.24 3.71 2.16 8.7 6.84 3.24 5.85 7.49 12.1 3Chromium, Hexavalent µg/L Dissolved 0.45 <0.2 0.56 0.67 0.43 1.4 0.34 1.3 0.72 0.29Cobalt µg/L Dissolved <1 <1 <1 1.11 <1 <1 <1 <1 1.72 <1Cobalt µg/L Total <1 <1 <1 2.87 1.27 <1 1.23 2 3.62 <1Copper µg/L Dissolved 7.37 12.4 9.87 19.6 24.1 33.8 32.5 8.77 20.6 19.4Copper µg/L Total 12.3 20.3 11.4 45.9 32.3 40.2 43 23 52.3 24.1Iron µg/L Dissolved 190 174 <100 406 294 227 301 132 406 222Iron µg/L Total 588 1,220 544 3,630 2,600 815 1,440 3,310 4,220 1,110Lead µg/L Dissolved <0.5 0.613 0.578 3.41 1.42 0.954 1.66 2.89 3.3 1.85Lead µg/L Total 3.96 7.87 4.63 27.8 22.9 4.59 10.7 22.6 16.7 8.46M /L Di l d 4 92 3 46 13 5 99 2 24 9 22 6 33 5 4 8 101 14 5Manganese µg/L Dissolved 4.92 3.46 13.5 99.2 24.9 22.6 33.5 4.8 101 14.5Manganese µg/L Total 26.8 42.7 28.2 170 67.5 40.1 58.6 84.4 166 33.6Mercury µg/L Dissolved <0.1 0.111 <0.1 <0.1 <0.1 <0.1 0.117 <0.1 <0.1 <0.1Mercury µg/L Total <0.1 0.138 <0.1 <0.1 <0.1 <0.1 0.161 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved <1 1.62 1.27 1.47 1.71 <1 2.06 1.83 2.41 2.83Molybdenum µg/L Total <1 1.79 1.24 2.19 2.4 <1 2.46 1.97 3.45 3.11Nickel µg/L Dissolved <2 3.5 2.2 5.1 3.6 2.9 4.5 2.4 6.3 2.6Nickel µg/L Total 2.6 5.3 2.5 8.8 6.9 3.7 6.5 6.6 9.9 3.4Selenium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Selenium µg/L Total 1.12 <1 <1 <1 1.28 <1 <1 <1 <1 <1Silver µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved 15.9 22.7 22 95.2 32.5 42 40.6 105 157 56.4Strontium µg/L Total 20.1 27.9 22.7 115 39.2 47.4 50.9 124 175 61.3Thallium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Ti / T l 1 1 1 3 5 1 1 1 1 1 1Tin µg/L Total <1 <1 <1 3.5 <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved 2.15 3.32 2.77 4.97 3.73 9.25 7.31 5.86 5.98 5.47Titanium µg/L Total 20.4 49.6 23.1 160 78.9 39 67.7 172 209 41.5Vanadium µg/L Dissolved 2.47 3.45 3.23 3.11 1.15 2.23 4.08 3.85 5.23 1.83Vanadium µg/L Total 3.46 6.21 3.97 10.6 4.62 3.74 7.76 12.5 15 3.68Zinc µg/L Dissolved 38.2 45.1 52.8 114 56.4 54.1 207 34.5 104 46.1Zinc µg/L Total 70.1 73.6 59.4 221 117 86.3 115 139 157 73.5Other ConstituentsOil and Grease mg/L N/A 2 15 1.5 5 5.1 2.1 5.7 3.2 2.2 6.1Perchlorate µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <2 -- -- -- -- <2 -- -- -- --Glyphosate µg/L N/A -- 16.2 <2.2 <1.2 -- -- <6 <1.2 <1.2 --1,4-Dioxane µg/L N/A <2 -- -- -- -- <2 -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.02 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1y y ( ) µgBenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 2 3 T i hl b /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <10 <10 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <10 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 <1 2.9 1.5 <1 <1 <1 4.3 <12-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54 Chl l / N/A 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 54-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Acetone µg/L N/A 14 11 5.8 19 10 4.6 13 2.6 18 7.5Acrylonitrile µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.69 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

i hl b h /Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.51 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 <0.5 0.97 <0.5 <0.5 <0.5 <0.5 0.71 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Ethanol µg/L N/A <100 <100 <100 <100 <100 <100 <100 <100 250 150Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A <10 <0.5 <0.5 <0.5 <0.5 <10 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

I lt l /L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Styrene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 <10 <10 <10 <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <1 <1 <1 <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,4,5-Trichlorophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,4,6-Trichlorophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,4-Dichlorophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,4-Dimethylphenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,4-Dinitrophenol µg/L N/A <50 <50 -- -- -- <50 <50 -- -- --2,4-Dinitrotoluene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2,6-Dinitrotoluene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Chloronaphthalene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Chlorophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Methylnaphthalene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Methylphenol (o-Cresol) µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --2-Nitrophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --3,3'-Dichlorobenzidine µg/L N/A <25 <25 -- -- -- <25 <25 -- -- --3-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A <50 <50 -- -- -- <50 <50 -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Chloro-3-Methylphenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Chloroaniline µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Methylphenol (p-Cresol) µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Nitroaniline µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --4-Nitrophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Acenaphthene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Acenaphthylene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Aniline µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --

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Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05Anthracene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Azobenzene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzidine µg/L N/A <50 <50 -- -- -- <50 <50 -- -- --Benzo (a) Anthracene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzo (a) Pyrene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzo (b) Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzo (g,h,i) Perylene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzo (k) Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Benzoic acid µg/L N/A <50 <50 -- -- -- <50 <50 -- -- --Benzyl alcohol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Bi (2 Chl th ) M th /L N/A <10 <10 <10 <10Bis(2-Chloroethoxy) Methane µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Bis(2-Chloroethyl) Ether µg/L N/A <25 <25 -- -- -- <25 <25 -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 18 -- -- -- <10 20 -- -- --Butyl Benzyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Chrysene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Dibenz (a,h) Anthracene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Dibenzofuran µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Diethyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Dimethyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Di-n-Butyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Di-n-Octyl Phthalate µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Fluoranthene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Fluorene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Hexachlorobenzene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Hexachlorocyclopentadiene µg/L N/A <25 <25 -- -- -- <25 <25 -- -- --Hexachloroethane µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --I d (1 2 3 d) P / N/A 10 10 10 10Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Isophorone µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Nitrobenzene µg/L N/A <25 <25 -- -- -- <25 <25 -- -- --N-Nitroso-di-n-propylamine µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --N-Nitrosodiphenylamino µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Pentachlorophenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Phenanthrene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Phenol µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Pyrene µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Pyridine µg/L N/A <10 <10 -- -- -- <10 <10 -- -- --Biological ParametersHeterotrophic Plate Count CFU/mL N/A >3,000 -- -- -- -- >3,000 -- -- -- --Total Coliforms MPN/100 mL N/A 30,000 -- -- -- -- 30,000 -- -- -- --Fecal Coliform MPN/100 mL N/A <200 -- -- -- -- 700 -- -- -- --E. coli MPN/100 mL N/A 200 -- -- -- -- 100 -- -- -- --Field ParameterspH pH units N/A -- -- 8.42 7.17 -- -- 8.20 7.0p pTemperature (degrees Celsius) degrees Celsius N/A -- -- 18.9 14.12 -- -- 18.6 14.8Turbidity NTU N/A -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.

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Sample Number / Date Sampled2

V-SW-01 V-SW-02

Constituent Units1 Fraction 02/02/04 02/18/04 10/20/04 12/28/04 02/11/05 02/02/04 02/18/04 10/20/04 12/28/04 02/11/052. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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LYSIMETER ANALYTICAL RESULTS − VETERANS PARK

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Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

V-LS-01 V-LS-02

Constituent Units1 Fraction 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bicarbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bromide mg/L N/A 0.98 1.4 0.27 0.19 0.19 0.13 <0.1 0.14 0.16 1.6 2.2 1 0.86 0.66 0.66Calcium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Carbonate (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chloride mg/L N/A 240 240 130 120 99 12 49 52 63 430 440 230 210 200 180Chemical Oxygen Demand mg/L N/A <5 13 20 13 23 13 <5 15 160 69 72 250 94 56 41Fluoride mg/L N/AFluoride mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hardness (as CaCO3) mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hydroxide (as CaCO3) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Magnesium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- --MBAS (Surfactants) mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrate (as N) mg/L N/A 2 1.7 4.4 3.8 2.4 1.6 0.12 <0.1 0.24 8.7 8.9 3.9 2.4 1.4 0.91Nitrite (as N) mg/L N/A <0.2 <0.2 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.2 <0.2 <0.1 <0.2 <0.2 <0.1Total Kjeldahl Nitrogen mg/L Total 1.1 0.84 1.4 0.56 0.7 0.7 0.98 0.98 <0.5 2.5 3.4 1.4 1.1 2 0.98Carbon, Total Organic mg/L N/A 30 8.9 3.6 8.4 7.4 7.2 7.1 5.5 8.7 53 30 22 19 25 19Carbon, Dissolved Organic mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrogen, Organic mg/L N/A 0.54 0.84 1.4 0.56 0.7 0.7 0.98 0.98 <0.5 1.9 3.4 1.4 1.1 2 0.98Ammonia-Nitrogen mg/L Total 0.56 <0.2 <0.1 <0.1 <0.2 <0.1 <0.13 <0.15 <0.2 0.56 <0.2 <0.1 <0.1 <0.2 <0.1pH pH units N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Dissolved -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phosphorus mg/L Total 9 9.4 <0.03 0.2 0.73 0.74 0.83 0.75 3.3 9.2 10 <0.03 0.8 0.36 0.69Potassium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sodium mg/L Total -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Sulfate mg/L N/A 790 740 480 340 300 79 230 230 210 1 500 1 600 950 730 750 680Sulfate mg/L N/A 790 740 480 340 300 79 230 230 210 1,500 1,600 950 730 750 680Total Dissolved Solids mg/L N/A 2,700 2,600 610 1,600 1,500 1,300 1170 1260 1180 4,000 3,900 2,800 2,700 2,600 2,200Total Suspended Solids mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Turbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Metals3

Aluminum µg/L Dissolved <50 <50 <25 <25 <25 <25 <25 <25 <25 <50 <50 <25 <25 <25 <25Aluminum µg/L Total <50 <50 <25 <25 <25 <25 <25 <25 <25 <50 <50 <25 <25 <25 <25Antimony µg/L Dissolved 5.91 5.4 4.33 5.24 1.26 3.85 3.83 3.21 2.81 2.49 2.75 3.04 3.3 <1 2.57Antimony µg/L Total 5.89 6.36 4.59 5.09 1.47 3.99 3.83 3.4 2.93 2.82 3.06 3.14 2.96 <1 2.63Arsenic µg/L Dissolved 29 24.7 16.1 17.5 16.6 17.3 22.4 15.8 17.5 7.56 8.16 5.76 5.34 6.41 6.37Arsenic µg/L Total 28.7 29.3 16 17.2 16.7 18.7 22.8 15.3 17.8 6.09 9.28 6.78 5.22 6.63 6.45Barium µg/L Dissolved 34.3 33.2 24.3 22.6 18.8 21.4 18.4 19.5 24.1 51.4 49.3 49 51.4 51.4 60Barium µg/L Total 32.7 39.4 24.8 24 19.9 22.5 18 21.3 26.2 51.5 53.5 49.3 49.4 53.1 60.2Beryllium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Beryllium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Boron µg/L Dissolved 547 673 476 443 435 389 323 316 332 650 976 1,180 867 1,000 1,150Boron µg/L Total 547 772 488 436 538 354 450 370 336 694 1,060 1,190 831 1,110 1,140Cadmium µg/L Dissolved 0.401 0.355 0.25 0.248 0.23 0.24 0.399 0.4 0.301 0.277 0.306 <0.2 <0.2 <0.2 <0.2

d i lCadmium µg/L Total 0.352 0.435 0.259 0.253 0.247 0.248 0.434 0.434 0.331 0.29 0.364 <0.2 <0.2 <0.2 <0.2Chromium µg/L Dissolved 2.77 2.41 2.03 1.91 1.71 1.93 <1 <1 <1 1.25 1.18 <1 <1 <1 1.15Chromium µg/L Total 1.92 2.91 2.01 2.24 2.34 1.98 <1 <1 <1 <1 1.27 <1 1.07 1.4 1.13Chromium, Hexavalent µg/L Dissolved -- 1.3 0.88 0.89 1 0.98 0.38 <0.2 0.28 -- -- <0.2 <0.2 <0.2 <0.2Cobalt µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 1.17 1.05 <1 <1 <1 <1Cobalt µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 1.18 1.19 <1 <1 <1 <1

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Sample Number / Date Sampled2

V-LS-01 V-LS-02

Constituent Units1 Fraction 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05Copper µg/L Dissolved 6.49 6.4 3.26 3.99 4.68 5.25 5.28 3.55 4.05 17.4 20.7 9.03 10.3 14.6 16.6Copper µg/L Total 6.71 7.76 3.18 4.1 4.89 5.05 5.65 3.95 4.27 17.9 23.6 9.41 10.5 15.2 16.4Iron µg/L Dissolved 389 353 118 130 202 281 318 193 105 150 122 <100 <100 149 145Iron µg/L Total 321 426 127 164 208 298 363 202 123 181 150 <100 <100 163 231Lead µg/L Dissolved <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.631 0.608 0.553 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.816 0.642 0.719 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Manganese µg/L Dissolved 30.1 34.4 21.4 14.3 9.08 20.9 12 5.48 <1 112 142 96.6 129 179 128Manganese µg/L Total 30.7 40.9 21 15.8 11.2 21.2 17.1 5.11 1.39 115 165 104 132 186 128Mercury µg/L Dissolved -- -- -- -- -- <0.1 <0.1 0.119 -- -- -- -- -- -- <0.1Mercury µg/L Total -- -- -- -- -- <0.1 <0.1 0.113 -- -- -- -- -- -- <0.1Molybdenum µg/L Dissolved 137 107 109 115 112 133 164 143 124 56.5 48.1 38.4 36.3 38.6 39.6Molybdenum µg/L Total 131 126 111 118 115 137 173 168 131 54 6 55 4 40 4 35 1 39 7 40 5Molybdenum µg/L Total 131 126 111 118 115 137 173 168 131 54.6 55.4 40.4 35.1 39.7 40.5Nickel µg/L Dissolved 3.8 3.1 <2 <2 <2 4.3 2.4 <2 <2 31 26 7.1 6.6 7.4 8.1Nickel µg/L Total 3.6 3.7 <2 <2 <2 4.6 <2 <2 <2 31 30 7.6 5.9 7.6 8Selenium µg/L Dissolved 17.6 21.3 7.93 5.13 3.8 2.84 1.07 1.11 1.97 54.5 62.7 16.7 15.7 14.3 12.1Selenium µg/L Total 18.8 26.2 7.8 5.13 4.26 2.99 1.15 <1 2.96 47.2 71.8 19.2 14.4 15.1 12.8Silver µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Silver µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved 906 975 554 502 404 368 275 226 304 2,850 3,210 1,670 1,590 1,560 1,530Strontium µg/L Total 888 1,190 546 520 419 376 285 244 315 2,790 3,610 1,770 1,520 1,630 1,540Thallium µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Thallium µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Dissolved <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Tin µg/L Total <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved 6.26 6.29 4.67 5.17 5.48 7.21 4.17 3.77 3.72 6.78 6.18 6.24 6.38 9 11.9Titanium µg/L Total 5.28 7.32 4.69 4.88 6.31 7.05 4.37 3.56 4.76 6.62 6.7 6.33 6.01 9.84 11.3Vanadium µg/L Dissolved 10.6 12 8.35 7.54 11.2 12.9 15 11.6 14.7 18.6 23.6 12 10.9 17.2 19.8Vanadium µg/L Total 9.7 14.7 8.24 8.27 11.1 13.6 15.7 12.8 15.2 17.6 28 12.6 11.4 17.4 19.7Zinc µg/L Dissolved 14.1 6.26 <5 19.1 6.56 11.4 5.81 11.2 30.5 15.7 25.8 <5 18.9 11.7 14.4Zinc µg/L Total 9 34 6 52 <5 27 3 11 6 15 1 8 19 10 4 72 26 2 18 6 15 5 18 7 13 2 13 2Zinc µg/L Total 9.34 6.52 <5 27.3 11.6 15.1 8.19 10.4 72 26.2 18.6 15.5 18.7 13.2 13.2Other ConstituentsOil and Grease mg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Perchlorate µg/L N/A -- -- <2 -- <2 -- <2 <2 <0.1 -- -- <2 -- <2 --N-Nitrosodimethylamine (NDMA) ng/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Glyphosate µg/L N/A -- <1.2 <1.2 -- -- -- -- -- -- -- -- <1.2 -- -- --1,4-Dioxane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 <1 <1 <1 <1 <1 <0.5 <0.5 <0.5 <1 <1 <1 <1 <1 <1Benzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 1 1 2-Tetrachloroethane µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

V-LS-01 V-LS-02

Constituent Units1 Fraction 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/051,1-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51 3 5 Trimethylbenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52,2-Dichloropropane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 <1 <1 <1 <1 <1 <2 <2 <2 <1 <1 <1 <1 <1 <12-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 <2 <2 <2 <2 <2 <5 <5 <5 <2 <2 <2 <2 <2 <2Acetone µg/L N/A <2 <2 <2 <2 <2 2.5 <10 <10 <10 <2 <2 <2 <2 <2 <2Acrylonitrile µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Chlorobenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 <0.5 0.6 0.75 1.7 1.2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.72 0.95cis-1,2-Dichloroethene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Ethanol µg/L N/A <100 <100 <100 <100 <100 <100 <50 <50 <50 <100 <100 <100 <100 <100 <100Ethyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Iodomethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 0.6 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.72 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <2 <2 <2 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Naphthalene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Sample Number / Date Sampled2

V-LS-01 V-LS-02

Constituent Units1 Fraction 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05Styrene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 <1 <1 <1 <1 <1 <5 <5 <5 <1 <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2 4 5 T i hl h l /L N/A2,4,5-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4,6-Trichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dichlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dimethylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,4-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2,6-Dinitrotoluene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chloronaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Chlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylnaphthalene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Methylphenol (o-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3,3'-Dichlorobenzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --3-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4,6-Dinitro-2-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Bromophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chloro-3-Methylphenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4 Chloroaniline µg/L N/A4-Chloroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Chlorophenyl-Phenyl Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Methylphenol (p-Cresol) µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitroaniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --4-Nitrophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Acenaphthylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Aniline µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Azobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzidine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (a) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (b) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (g,h,i) Perylene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzo (k) Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzoic acid µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Benzyl alcohol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroethyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Chloroisopropyl) Ether µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Bis(2-Ethylhexyl) Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Butyl Benzyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Chrysene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Sample Number / Date Sampled2

V-LS-01 V-LS-02

Constituent Units1 Fraction 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05 01/03/06 02/28/06 02/23/07 02/04/04 02/19/04 10/20/04 12/08/04 12/28/04 02/12/05Dibenz (a,h) Anthracene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dibenzofuran µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Diethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Dimethyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Butyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Di-n-Octyl Phthalate µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluoranthene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Fluorene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachlorocyclopentadiene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Hexachloroethane µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Indeno (1 2 3 c d) Pyrene µg/L N/AIndeno (1,2,3-c,d) Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Isophorone µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Nitrobenzene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitroso-di-n-propylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --N-Nitrosodiphenylamine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pentachlorophenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenanthrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Phenol µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyrene µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Pyridine µg/L N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Biological ParametersHeterotrophic Plate Count CFU/mL N/A 2,800 -- -- -- -- -- -- -- -- 6,500 -- -- -- -- --Total Coliforms MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- <20 -- -- -- -- --Fecal Coliform MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- <20 -- -- -- -- --E. coli MPN/100 mL N/A <20 -- -- -- -- -- -- -- -- <20 -- -- -- -- --Field ParameterspH pH units N/A -- -- 6.97 7.60 7.79 -- -- -- -- -- -- 7.32 6.63 7.31 --Temperature (degrees Celsius) degrees Celsius N/A -- -- 20.9 5.5 22.2 -- -- -- -- -- -- 19.4 9.8 22.7 --Turbidity NTU N/ATurbidity NTU N/A -- -- -- -- -- -- -- -- -- -- -- -- -- -- --Specific Conductance µmhos/cm N/A -- -- 1,500 1,130 930 -- -- -- -- -- -- 1,960 1,780 1,440 --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

01/03/06 02/28/06 02/23/07

-- -- ---- -- --

0.36 0.29 0.39-- -- ---- -- --89 86 8241 46 170

Fluoride mg/L N/AHardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/A

-- -- ---- -- ---- -- ---- -- ---- -- --

<0.1 <0.1 0.91<0.1 <0.1 <0.10.84 1.7 0.5620 19 15-- -- --

0.84 1.7 0.56-- <0.4 <0.2-- -- ---- -- --

1.1 1.1 2.7-- -- ---- -- ---- -- --

490 480 330Sulfate mg/L N/ATotal Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L Dissolved

d i l

490 480 3301700 1880 1640

-- -- ---- -- --

<25 <25 <25<25 <25 <251.8 1.85 1.45

2.09 2.11 1.566.29 4.7 5.016.2 4.55 4.84

61.9 66.2 10367.9 73.8 106<1 <1 <1<1 <1 <1

1210 998 9071310 1060 911<0.2 <0.2 <0.2

Cadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L Total

<0.2 <0.2 <0.2<1 <1 <1<1 <1 <1

<0.2 <0.2 <0.2<1 <1 <1<1 <1 <1

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Constituent Units1 FractionCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L Total

01/03/06 02/28/06 02/23/0715.5 11.1 12.116.7 11.1 13203 116 136223 125 162<0.5 <0.5 <0.5<0.5 <0.5 <0.5133 69.6 15.5140 72.9 16.1<0.1 <0.1 --<0.1 <0.1 --36.9 34 28.338 2 36 5 29 1Molybdenum µg/L Total

Nickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

38.2 36.5 29.19.9 5 4.38.1 5.3 4.5

4.74 2.7 5.84.63 2.62 5.73<1 <1 <1<1 <1 <1

1080 789 8591140 792 882<1 <1 <1<1 <1 <1<1 <1 <1<1 <1 <1

6.48 5.43 5.337.69 5.75 6.3917.1 12.5 1418.3 12.2 14.513.6 11.4 36.317 9 13 1 36 7Zinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1 1 1 2-Tetrachloroethane µg/L N/A

17.9 13.1 36.7

-- -- --<2 <2 5.8-- -- ---- -- ---- -- --<2 <2 <2

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A

1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5

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Constituent Units1 Fraction1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1 3 5 Trimethylbenzene µg/L N/A

01/03/06 02/28/06 02/23/07<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A

1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/A

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<2 <2 <2

<0.5 <0.5 <0.5<5 <5 <5

<0.5 <0.5 <0.5<5 <5 <5

<10 <10 <10<2 <2 <2

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0 5 <0 5 <0 5Chlorobenzene µg/L N/A

Chloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<2 <2 <2

<50 <50 <50<0.5 <0.5 <0.5<2 <2 <2

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<5 <5 <5Methyl Methacrylate µg/L N/A

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/A

<5 <5 <5<2 <2 <2

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5

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Constituent Units1 FractionStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2 4 5 T i hl h l /L N/A

01/03/06 02/28/06 02/23/07<0.5 <0.5 <0.5<0.5 <0.5 <0.5<2 <2 <2

<10 <10 <10<0.5 <0.5 <0.5<5 <5 <5

<0.5 <0.5 <0.5<0.5 <0.5 <0.5<0.5 <0.5 <0.5

-- -- --2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4 Chloroaniline µg/L N/A

-- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- --

4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/A

-- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- --Bis(2-Chloroethoxy) Methane µg/L N/A

Bis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/A

-- -- ---- -- ---- -- ---- -- ---- -- ---- -- --

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Constituent Units1 FractionDibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1 2 3 c d) Pyrene µg/L N/A

01/03/06 02/28/06 02/23/07-- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- --

Indeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ATurbidity NTU N/A

-- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- ---- -- --

-- -- ---- -- ---- -- ---- -- --

-- -- ---- -- --

Turbidity NTU N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmh2. -- indicates the constituent was not analyzed for. Analytes not detected are indica3. In cases in which the filtered concentrations exceeded the total, the differences ar

-- -- ---- -- --

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Constituent Units1 Fraction 11/06/03 12/05/03 06/09/04 10/11/04 02/15/05 10/05/05 10/19/06 06/05/07 11/06/03 12/08/03 02/06/04 02/24/04 06/09/04 10/11/04 02/15/05

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/A 300 -- 1,400 1,400 1,300 1300 1290 1330 300 -- 1,300 1,400 1,300 1,200 1,000Bicarbonate (as CaCO3) mg/L N/A 300 -- 1,400 1,400 1,300 1300 1290 1330 300 -- 1,300 1,400 1,300 1,200 1,000Bromide mg/L N/A 5.8 -- 7.5 8.2 6.4 6.2 8.1 8.4 1.5 -- 1.1 3.8 1.1 0.75 0.26Calcium mg/L Total -- 170 184 195 187 233 281 245 -- 22.8 27.9 27.3 28.8 34.9 23.5Carbonate (as CaCO3) mg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1Chloride mg/L N/A 1,100 -- 1,100 1,400 1,000 1400 1600 1700 280 -- 270 290 240 190 110Chemical Oxygen Demand mg/L N/A 90 -- 84 86 61 80 88 110 75 -- 15 36 33 25 13Fluoride mg/L N/A 0 61 0 36 0 56 0 25 <0 1 0 5 0 59 0 93 0 7 0 51 0 68 0 87 0 75Fluoride mg/L N/A 0.61 -- 0.36 0.56 0.25 <0.1 0.5 0.59 0.93 -- 0.7 0.51 0.68 0.87 0.75Hardness (as CaCO3) mg/L Total 620 -- 770 740 730 960 1100 1100 160 -- 120 130 130 160 120Hydroxide (as CaCO3) mg/L N/A <1 -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1Magnesium mg/L Total -- 60.9 73.9 66.9 76.6 86.8 103 84.7 -- 12.1 13.1 13.4 12.6 16.8 11.9MBAS (Surfactants) mg/L N/A 0.17 -- 0.21 <0.1 0.13 0.21 0.73 0.13 0.13 -- 0.13 0.12 0.1 <0.1 <0.1Nitrate (as N) mg/L N/A 3.2 -- 2.6 2.3 4.7 4 2.9 2.1 0.56 -- 0.76 1.3 1.4 1.4 3.7Nitrite (as N) mg/L N/A <0.2 -- <0.1 <0.1 <0.2 <0.1 <0.2 <0.5 <0.2 -- <0.2 <0.1 <0.1 <0.1 <0.1Total Kjeldahl Nitrogen mg/L Total 0.7 -- 0.84 0.42 0.7 0.98 0.84 1.1 0.98 -- 0.7 0.7 0.7 <0.5 <0.5Carbon, Total Organic mg/L N/A 14 -- 10 3.7 10 7 12 11 14 -- 32 14 15 7 6.2Carbon, Dissolved Organic mg/L N/A 12 -- 8.9 8.4 17 9 17 17 13 -- 30 11 11 10 9.2Nitrogen, Organic mg/L N/A 0.7 -- 0.84 <0.5 0.7 0.98 0.84 0.91 0.98 -- 0.7 0.7 0.7 <0.5 <0.5Ammonia-Nitrogen mg/L Total <0.1 -- <0.1 <0.1 <0.1 <0.1 -- -- <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1pH pH units N/A 7.1 -- 6.96 6.91 6.9 6.86 6.55 6.92 7.35 -- 7.18 7.18 7.11 7.07 7.22Phosphorus mg/L Dissolved 0.2 -- 0.069 0.16 0.22 0.29 0.14 0.16 0.35 -- 0.25 0.25 0.083 0.2 0.22Phosphorus mg/L Total 0.46 -- 0.17 7.2 0.8 1.3 0.18 0.97 0.44 -- 0.25 0.31 0.28 6.8 0.79Potassium mg/L Total -- <5 4.48 4.15 3.27 7.63 4.06 6.11 -- <5 3.57 3.51 3.09 3.12 2.88Sodium mg/L Total -- 2,320 1,870 2,040 1,410 2,270 2,300 2410 -- 1,120 1,130 1,260 1,050 847 573Specific Conductance µmhos/cm N/A 7,900 -- 8,000 9,000 6,100 7900 10000 10000 4,600 -- 4,300 3,800 4,200 3,500 2,400Sulfate mg/L N/A 1 400 1 500 1 600 1 200 2000 2400 2700 660 640 720 690 430 250Sulfate mg/L N/A 1,400 -- 1,500 1,600 1,200 2000 2400 2700 660 -- 640 720 690 430 250Total Dissolved Solids mg/L N/A 5,500 -- 6,000 6,000 4,200 7000 7590 7010 2,900 -- 2,800 2,900 2,600 2,200 1,500Total Suspended Solids mg/L N/A -- 4.9 43 5 4.1 7 3 31 -- 9.1 12 28 3.8 <1 3Turbidity NTU N/A -- 8.1 12 9.5 4 6 3 8.9 -- 8.2 6.3 16 3.6 3.1 7.1

Metals3

Aluminum µg/L Dissolved -- <50 65.3 <25 <25 <25 <25 <25 -- <50 <50 <50 <50 <25 <25Aluminum µg/L Total -- 340 612 147 108 212 96.4 605 -- 487 420 805 152 51.4 134Antimony µg/L Dissolved -- 1.11 1 <1 <1 <1 <1 <1 -- 1.19 <1 1.15 <1 <1 <1Antimony µg/L Total -- 1.31 <1 <1 <1 <1 <1 <1 -- 1.2 <1 <1 1.08 <1 <1Arsenic µg/L Dissolved -- 2.41 3.99 19.6 8.63 21.6 13 3.06 -- 10.6 10.1 7.94 9.69 8.47 5.32Arsenic µg/L Total -- 4.85 4.92 19.6 8.65 22.5 12.6 3.6 -- 12.1 11.4 9.14 10.1 7.94 6.03Barium µg/L Dissolved -- 46.8 51 62.7 56.1 67.8 51.4 40.1 -- 15.5 23.6 18.5 22 25.2 19.6Barium µg/L Total -- 48.5 54.3 63.8 56.9 73.2 50.9 43.8 -- 19.6 28.7 22.9 20.5 24.5 20.5Beryllium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Beryllium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Boron µg/L Dissolved -- 4,100 4,410 3,960 3,380 4860 3180 2480 -- 2,860 2,470 2,990 2,300 1,840 1,250Boron µg/L Total -- 4,650 4,660 3,930 3,440 5020 3290 2530 -- 3,130 2,210 2,980 2,330 1,780 1,240Cadmium µg/L Dissolved -- <0.2 0.285 0.235 0.2 0.235 0.361 0.319 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

d i lCadmium µg/L Total -- <0.2 0.277 0.206 <0.2 0.218 0.338 0.363 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2Chromium µg/L Dissolved -- 3.09 2.18 1.28 1.03 1 <1 <1 -- 5.95 3.77 3.57 1.9 1.44 1.97Chromium µg/L Total -- 2.34 3.66 <1 1.48 5.31 <1 1.54 -- 5.58 5.45 4.7 2.12 <1 2.46Chromium, Hexavalent µg/L Dissolved 0.27 -- <0.2 <0.2 <0.2 <0.2 <0.2 <1 2.9 -- 1.9 1.3 0.78 0.54 0.51Cobalt µg/L Dissolved -- <1 <1 <1 <1 1.31 1.83 1.2 -- <1 <1 <1 <1 <1 <1Cobalt µg/L Total -- <1 <1 <1 <1 1.22 1.72 1.96 -- <1 <1 <1 <1 <1 <1

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Constituent Units1 Fraction 11/06/03 12/05/03 06/09/04 10/11/04 02/15/05 10/05/05 10/19/06 06/05/07 11/06/03 12/08/03 02/06/04 02/24/04 06/09/04 10/11/04 02/15/05Copper µg/L Dissolved -- 3.58 5.04 2.93 3.54 7.25 6.67 4.42 -- 6.74 4.45 4.82 4.27 2.84 2.27Copper µg/L Total -- 4.89 6.2 2.72 3.03 7.73 6.38 5.23 -- 7.94 6.32 7.23 4.91 2.57 2.37Iron µg/L Dissolved -- <100 <100 <100 <100 <100 <100 428 -- <100 <100 112 <100 <100 <100Iron µg/L Total -- 467 405 161 179 257 157 1300 -- 851 728 1,290 144 <100 248Lead µg/L Dissolved -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Lead µg/L Total -- <0.5 <0.5 <0.5 <0.5 0.634 <0.5 0.682 -- 0.668 0.61 0.712 <0.5 <0.5 <0.5Manganese µg/L Dissolved -- 202 267 223 329 530 866 540 -- 19.9 47.5 23.4 17 6.25 19.7Manganese µg/L Total -- 229 277 225 354 454 785 631 -- 43.3 75.7 41.6 28.1 7.97 25.8Mercury µg/L Dissolved <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- 0.105 <0.1 <0.1 <0.1 <0.1Mercury µg/L Total -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 0.118 <0.1 <0.1 <0.1 <0.1Molybdenum µg/L Dissolved -- 13.2 11.6 10.9 8.74 11.3 14 12.1 -- 35.3 26.7 22.2 20.1 14.5 18.4Molybdenum µg/L Total 13 6 11 6 10 7 8 38 11 7 13 6 11 6 35 5 25 8 22 2 21 4 13 9 20 7Molybdenum µg/L Total -- 13.6 11.6 10.7 8.38 11.7 13.6 11.6 -- 35.5 25.8 22.2 21.4 13.9 20.7Nickel µg/L Dissolved -- 5.1 6.5 6.9 3.6 12 8.7 6.3 -- 2.2 <2 <2 <2 <2 <2Nickel µg/L Total -- 4.7 7.3 6.8 3.5 12 9 7.8 -- 2.6 2.6 2.6 <2 <2 <2Selenium µg/L Dissolved -- 251 113 157 86 169 180 175 -- 17.2 25.1 33.2 13.6 12.1 6.06Selenium µg/L Total -- 236 159 154 82.3 192 183 160 -- 18 30.6 35.8 16.4 11.5 6.52Silver µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Silver µg/L Total -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Strontium µg/L Dissolved -- 1,770 2,040 1,880 1,880 2540 3200 2520 -- 472 490 468 503 621 443Strontium µg/L Total -- 1,710 2,170 1,890 1,850 2460 3200 2380 -- 466 512 476 590 598 433Thallium µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Thallium µg/L Total -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Dissolved -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Tin µg/L Total -- <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1Titanium µg/L Dissolved -- 3.77 6.66 3.46 4.67 4.02 3.47 3.43 -- 3.82 3.99 4.01 5.08 2.67 2.85Titanium µg/L Total -- 29.7 31.4 11.5 15.1 18.8 10.1 48.2 -- 42.8 38.2 64.2 12 4.75 13.4Vanadium µg/L Dissolved -- 9.93 14.7 11.1 14.7 14.1 14.3 13.7 -- 59.2 61.1 44.5 47.8 35.3 30.9Vanadium µg/L Total -- 12 16.8 11.1 15.2 16.7 14.6 15.9 -- 64.5 64.5 46.8 48.5 34 33.8Zinc µg/L Dissolved -- <5 <5 <5 <5 38.4 6.55 23.7 -- 9.64 9.9 <5 <5 <5 <5Zinc µg/L Total -- <5 <5 <5 <5 80 4 16 8 24 -- 10 9 11 7 <5 <5 <5 <5Zinc µg/L Total -- <5 <5 <5 <5 80.4 16.8 24 -- 10.9 11.7 <5 <5 <5 <5Other ConstituentsOil and Grease mg/L N/A 1.2 -- <1 1.1 <1 -- <1 1.6 <1 -- <1 3.5 <1 <1 <1Perchlorate µg/L N/A <4 -- <2 <2 9 8.7 6.9 6.8 <4 -- <4 <2 <2 <2 <2N-Nitrosodimethylamine (NDMA) ng/L N/A <2 -- -- -- -- -- -- -- <2 -- -- -- -- -- --Glyphosate µg/L N/A <6 -- <25 -- -- -- -- -- <6 -- -- -- <25 <1.2 --1,4-Dioxane µg/L N/A <2 -- -- -- -- -- -- -- <2.4 -- -- -- -- -- --1,2-Dibromo-3-chloropropane (DBCP) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <2 <2 <2 <0.02 -- <0.5 <0.5 <0.5 <0.5 <0.5Volatile Organic CompoundsMethyl Bromide µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.05 -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl-t-Butyl Ether (MTBE) µg/L N/A <1 -- <1 <1 <1 <0.5 <0.5 <0.5 <1 -- <1 <1 <1 <1 <1Benzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Toluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Ethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5o-Xylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5p/m-Xylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Trichloroethylene (TCE) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Tetrachloroethylene (PCE) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51 1 1 2-Tetrachloroethane µg/L N/A <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1,1-Trichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2,2-Tetrachloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1,2-Trichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction 11/06/03 12/05/03 06/09/04 10/11/04 02/15/05 10/05/05 10/19/06 06/05/07 11/06/03 12/08/03 02/06/04 02/24/04 06/09/04 10/11/04 02/15/051,1-Dichloroethylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,1-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichlorobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trichlorobenzene µg/L N/A <10 -- <10 <10 <0.5 <0.5 <0.5 <0.5 <10 -- <0.5 <0.5 <0.5 <0.5 <0.51,2,4-Trimethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dibromoethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichlorobenzene µg/L N/A <0.5 -- <0.5 <10 <0.5 <0.5 <0.5 <0.5 <10 -- <0.5 <10 <0.5 <0.5 <0.51,2-Dichloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,2-Trans-Dichloroethylene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51 3 5 Trimethylbenzene µg/L N/A <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,3-Dichlorobenzene µg/L N/A <0.5 -- <0.5 <10 <0.5 <0.5 <0.5 <0.5 <10 -- <0.5 <10 <0.5 <10 <0.51,3-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.51,4-Dichlorobenzene µg/L N/A <10 -- <0.5 <10 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <10 <10 <10 <0.52,2-Dichloropropane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.52-Butanone (Methylethyl ketone) µg/L N/A <1 -- <1 <1 <1 <2 <2 <2 <1 -- <1 <1 <1 <1 <12-Chlorotoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.52-Hexanone µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <5 <5 <5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.54-Chlorotoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.54-Methyl-2-pentanone (MIBK) µg/L N/A <2 -- <2 <2 <2 <5 <5 <5 <2 -- <2 <2 <2 <2 <2Acetone µg/L N/A <2 -- <2 <2 <2 <10 <10 <10 <2 -- 2.7 <2 <2 <2 <2Acrylonitrile µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2Allyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Bromobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Bromochloromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Bromoform µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Carbon disulfide µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Carbon Tetrachloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Chlorobenzene µg/L N/A <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5Chlorobenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Chloroethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Chloroform µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5cis-1,2-Dichloroethene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5cis-1,3-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Dibromochloromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Dibromomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Dichlorobromomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Dichlorodifluoromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Diethyl Ether µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Diisopropyl Ether (DIPE) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2Ethanol µg/L N/A <100 -- <100 <100 <100 <50 <50 <50 <100 -- <100 <100 <100 <100 <100Ethyl Methacrylate µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Ethyl-t-Butyl Ether (ETBE) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2Hexachloro-1,3-Butadiene µg/L N/A <0.5 -- <10 <10 <0.5 <0.5 <0.5 <0.5 <0.5 -- <10 <0.5 <10 <0.5 <0.5Iodomethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Isopropylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <5 <5 <5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A <0.5 <0.5 <0.5 <0.5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methylene Chloride µg/L N/A <0.5 -- <0.5 0.64 0.61 <2 <2 <2 <0.5 -- <0.5 <0.5 <0.5 0.66 0.73Naphthalene µg/L N/A <10 -- <10 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <10 <10 <10 <0.5n-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5n-Propylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5p-Isopropyltoluene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5sec-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5

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V-MW-01 V-MW

Constituent Units1 Fraction 11/06/03 12/05/03 06/09/04 10/11/04 02/15/05 10/05/05 10/19/06 06/05/07 11/06/03 12/08/03 02/06/04 02/24/04 06/09/04 10/11/04 02/15/05Styrene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5t-1,4-Dichloro-2-Butene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Tert-Amyl-Methyl Ether (TAME) µg/L N/A <2 -- <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2Tert-Butyl Alcohol (TBA) µg/L N/A <10 -- <10 <10 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10tert-Butylbenzene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Tetrahydrofuran µg/L N/A <1 -- <1 <1 <1 <5 <5 <5 <1 -- <1 <1 <1 <1 <1trans-1,3-Dichloropropene µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Trichlorofluoromethane µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Vinyl Chloride µg/L N/A <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5Semi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2 4 5 T i hl h l /L N/A <10 <10 <10 <10 <10 <10 <10 <102,4,5-Trichlorophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2,4,6-Trichlorophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2,4-Dichlorophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2,4-Dimethylphenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2,4-Dinitrophenol µg/L N/A <50 -- <50 <50 -- -- -- -- <50 -- <50 <50 <50 <50 --2,4-Dinitrotoluene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2,6-Dinitrotoluene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Chloronaphthalene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Chlorophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Methylnaphthalene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Methylphenol (o-Cresol) µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Nitroaniline µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --2-Nitrophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --3,3'-Dichlorobenzidine µg/L N/A <25 -- <25 <25 -- -- -- -- <25 -- <25 <25 <25 <25 --3-Nitroaniline µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4,6-Dinitro-2-Methylphenol µg/L N/A <50 -- <50 <50 -- -- -- -- <50 -- <50 <50 <50 <50 --4-Bromophenyl-Phenyl Ether µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4-Chloro-3-Methylphenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4 Chloroaniline µg/L N/A <10 <10 <10 <10 <10 <10 <10 <104-Chloroaniline µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4-Chlorophenyl-Phenyl Ether µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4-Methylphenol (p-Cresol) µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4-Nitroaniline µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --4-Nitrophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Acenaphthene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Acenaphthylene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Aniline µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Anthracene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Azobenzene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzidine µg/L N/A <50 -- <50 <50 -- -- -- -- <50 -- <50 <50 <50 <50 --Benzo (a) Anthracene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzo (a) Pyrene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzo (b) Fluoranthene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzo (g,h,i) Perylene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzo (k) Fluoranthene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Benzoic acid µg/L N/A <50 -- <50 <50 -- -- -- -- <50 -- <50 <50 <50 <50 --Benzyl alcohol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Bis(2-Chloroethoxy) Methane µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Bis(2-Chloroethoxy) Methane µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Bis(2-Chloroethyl) Ether µg/L N/A <25 -- <25 <25 -- -- -- -- <25 -- <25 <25 <25 <25 --Bis(2-Chloroisopropyl) Ether µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Bis(2-Ethylhexyl) Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Butyl Benzyl Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Chrysene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --

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Constituent Units1 Fraction 11/06/03 12/05/03 06/09/04 10/11/04 02/15/05 10/05/05 10/19/06 06/05/07 11/06/03 12/08/03 02/06/04 02/24/04 06/09/04 10/11/04 02/15/05Dibenz (a,h) Anthracene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Dibenzofuran µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Diethyl Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Dimethyl Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Di-n-Butyl Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Di-n-Octyl Phthalate µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Fluoranthene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Fluorene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Hexachlorobenzene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Hexachlorocyclopentadiene µg/L N/A <25 -- <25 <25 -- -- -- -- <25 -- <25 <25 <25 <25 --Hexachloroethane µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Indeno (1 2 3 c d) Pyrene µg/L N/A <10 <10 <10 <10 <10 <10 <10 <10Indeno (1,2,3-c,d) Pyrene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Isophorone µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Nitrobenzene µg/L N/A <25 -- <25 <25 -- -- -- -- <25 -- <25 <25 <25 <25 --N-Nitroso-di-n-propylamine µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --N-Nitrosodiphenylamine µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Pentachlorophenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Phenanthrene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Phenol µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Pyrene µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Pyridine µg/L N/A <10 -- <10 <10 -- -- -- -- <10 -- <10 <10 <10 <10 --Biological ParametersHeterotrophic Plate Count CFU/mL N/A -- 690 -- -- -- -- -- -- -- 36,000 -- -- -- -- --Total Coliforms MPN/100 mL N/A -- <20 -- -- -- -- -- -- -- <20 -- -- -- -- --Fecal Coliform MPN/100 mL N/A -- <20 -- -- -- -- -- -- -- <20 -- -- -- -- --E. coli MPN/100 mL N/A -- <20 -- -- -- -- -- -- -- <20 -- -- -- -- --Field ParameterspH pH units N/A -- -- -- 7.00 -- -- -- -- -- -- -- -- -- 7.14 --Temperature (degrees Celsius) degrees Celsius N/A -- -- -- 22.21 -- -- -- -- -- -- -- -- -- 22.58 --Turbidity NTU N/A 0 12 2Turbidity NTU N/A -- -- -- 0 -- -- -- -- -- -- -- -- -- 12.2 --Specific Conductance µmhos/cm N/A -- -- -- 919 -- -- -- -- -- -- -- -- -- 339 --

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm = micromhos per centimeter, NTU = Nephelometric Turbidity Unit.2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated with a "<" symbol; the associated numerical value is the detection limit.3. In cases in which the filtered concentrations exceeded the total, the differences are considered by the laboratory statistically insignificant and can be attributed to the variability inherent with the analytical method.

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

Sample Number / Date Sampled2

W-02

10/05/05 01/05/06 03/06/06 06/19/06 10/19/06 02/26/07 06/05/07 11/06/03 12/05/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04 12/10/04

740 730 750 710 690 686 664 220 -- 1,100 1,100 970 980 1,000 950740 730 750 710 690 686 664 220 -- 1,100 1,100 970 980 1,000 9500.23 0.17 0.18 0.29 0.25 0.18 0.51 1.1 -- 1.2 2.7 0.86 0.79 0.81 0.5947.3 61.8 54.5 71.9 60.3 50 82.9 -- 29.8 42 43.4 59.9 79.3 68 75.4<1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <183 89 93 89 69 64 99 130 -- 170 180 180 150 150 18010 13 18 <5 <5 9 13 52 -- <5 15 13 13 20 130 7 0 82 1 1 0 74 0 9 0 97 1 1 2 1 2 1 1 1 3 1 6 1 5 1 7Fluoride mg/L N/A

Hardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/A

0.7 0.82 1.1 0.74 0.9 0.97 1 1.2 -- 1.2 1.1 1.3 1.6 1.5 1.7210 280 200 300 260 310 400 300 -- 190 210 310 390 350 420<1 <1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1

24.5 31.7 27.6 36.5 29.8 24.7 38.6 -- 15.2 23.5 24.2 41.4 54.2 46.1 53.5<0.1 <0.1 <0.1 <0.1 0.16 <0.1 <0.1 <0.1 -- 0.11 0.11 <0.1 <0.1 <0.1 <0.11.2 2.3 2.9 3.9 2.8 3.5 3.3 5.6 -- 6 5.9 3.8 3 4.9 2.1

<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.5 0.84 1.3 0.98 0.56 <0.5 0.7 0.56 -- 0.56 <0.5 <0.1 <0.5 0.98 0.564.5 4.3 4.3 4.7 4.4 7.1 5.4 6.1 -- 27 8.3 9.7 4.4 4.4 7.86.2 6.1 4.5 5.3 5.2 8.8 6.7 5.1 -- 23 8 6.1 8.1 5.2 6.3

<0.5 0.84 1.3 0.84 0.56 <0.5 <0.5 0.56 -- 0.56 <0.5 <0.5 <0.5 0.98 0.56<0.1 <0.1 -- -- -- -- -- <0.1 -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.16.96 6.84 6.81 6.75 6.89 6.72 6.88 7.35 -- 7.33 7.27 7.35 6.98 7.05 7.120.2 0.17 0.45 0.22 0.093 0.16 0.064 0.2 -- 0.16 0.19 0.055 0.057 0.082 0.075

0.48 0.49 0.73 0.68 0.11 1.3 0.76 29 -- 0.17 0.25 0.17 0.7 0.52 0.362.18 2.12 1.96 2.12 1.74 1.82 2.33 -- 2.57 2.68 2.66 1.81 3.22 1.8 2.12418 368 400 333 335 340 288 -- 605 736 812 569 538 659 546

1700 1700 1800 1600 1700 1600 1700 2,800 -- 3,100 2,700 2,800 2,800 2,800 2,900160 210 190 180 160 170 190 190 320 360 420 310 330 350Sulfate mg/L N/A

Total Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L Dissolved

d i l

160 210 190 180 160 170 190 190 -- 320 360 420 310 330 3501400 1020 1170 1150 1070 1100 1070 1,300 -- 2,100 2,000 1,700 1,700 1,900 1,600<1 3 54 8 6.1 5.7 7.8 -- 2 10 110 19 100 <1 196.5 3.1 28 7.5 3.1 1.8 3.3 -- 3 3.1 98 6.3 55 1.7 10

<25 <0.025 <25 <25 <25 <25 <25 -- <50 <50 56.9 <50 141 <25 <25318 561 722 468 305 <25 190 -- 97 1,120 1,440 584 343 <25 216<1 <1 <1 <1 <1 <1 <1 -- 1.02 <1 <1 1.12 <1 <1 <1<1 1.06 <1 <1 <1 <1 <1 -- 1.05 <1 <1 1.36 <1 <1 <1

2.21 2.73 2.86 2.31 2.28 1.9 1.87 -- 5.83 5.32 4.67 1.9 2.9 3.5 2.42.56 2.81 3.55 2.78 2.75 2.15 1.95 -- 6.02 6.03 5.25 2.03 3.22 3.61 2.5136.6 34.7 41.9 47.3 47.6 38.8 48.4 -- 43.7 58.6 62.5 83.9 92.5 95.1 97.337.4 51.7 56.8 54.2 51.3 38.8 58.3 -- 44.6 69.7 79.4 90.1 94.7 104 99.5<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1889 635 738 711 667 679 548 -- 1,870 1,900 2,320 1,180 1,220 1,470 1,210

1040 679 746 706 699 679 584 -- 2,040 1,880 2,390 1,280 1,210 1,420 1,160<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

Cadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L Total

<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 -- <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2<1 <1 <1 <1 <1 <1 <1 -- 2.53 2.34 2.58 3.24 3.62 3.86 2.44<1 <1 <1 2.37 3.57 1.11 2.14 -- 1.28 4.57 5.3 3.95 3.35 3.62 2.83

0.26 0.35 0.62 0.39 0.71 0.74 0.4 <0.2 -- 0.44 0.46 1.9 2.7 2.3 2.1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 -- <1 1.32 1.47 <1 <1 <1 <1

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Constituent Units1 FractionCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L Total

Sample Number / Date Sampled2

W-02

10/05/05 01/05/06 03/06/06 06/19/06 10/19/06 02/26/07 06/05/07 11/06/03 12/05/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04 12/10/042.43 1.9 1.64 28.5 2.03 1.37 1.92 -- 2.23 2.83 3.06 2.51 2.14 2.25 2.223.16 3.19 3.07 53.5 3 1.68 2.25 -- 2.23 4.73 5.39 5.21 2.37 2.13 2.37<100 167 <100 <100 <100 <100 147 -- <100 <100 161 <100 163 <100 <100416 1050 1060 586 537 <100 388 -- 213 1,740 2,580 696 484 <100 315<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 1.45 0.526 <0.5 <0.5 <0.5 <0.5 -- <0.5 1.89 1.87 1.53 <0.5 <0.5 <0.521.7 41.1 2.23 2.82 1.19 1.18 37.7 -- 63.8 54.7 52.6 4.54 14.9 11.2 3.335.2 48.1 20.3 21.6 20.1 1.45 57 -- 77.1 122 100 46.6 27.1 13.5 15.2<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- 0.122 <0.1 <0.1 <0.1 0.164 <0.10.195 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 -- <0.1 0.146 <0.1 <0.1 <0.1 0.2 <0.110.5 11.4 13.1 7.97 10.8 11.6 5.69 -- 31.5 27.8 26.9 24.4 23.2 28 23.911 9 8 51 12 2 8 98 9 87 11 6 6 56 31 2 28 3 26 8 25 4 22 9 28 6 23 6Molybdenum µg/L Total

Nickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

11.9 8.51 12.2 8.98 9.87 11.6 6.56 -- 31.2 28.3 26.8 25.4 22.9 28.6 23.63.1 3.2 <2 2.5 <2 <2 2.3 -- <2 <2 <2 2.3 2.7 2.9 23.3 3.3 2.5 3.1 4.4 <2 4 -- <2 3.1 3.4 2.5 3.1 2.9 <2

2.11 <1 2.34 3.97 2.81 <1 3.97 -- 15.7 14.1 14.2 9 12.9 11.3 7.482.51 <1 2.76 4.4 3.03 1.01 4.11 -- 12.8 14.8 15.2 10.9 9.35 11.5 8.05<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 3.4 <1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1887 990 815 1160 1020 721 1310 -- 515 664 641 1,140 1,320 1,220 1,320808 1040 789 1210 1070 867 1430 -- 491 714 681 1,240 1,320 1,250 1,310<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 -- <1 <1 <1 <1 <1 <1 <1

2.69 1.69 1.49 2.63 1.57 1.29 1.59 -- 2.72 3.48 5.44 4 10.7 2.82 1.6821.3 50.1 61.3 54.3 27.1 1.84 14.9 -- 8.09 80.5 111 37.1 26.8 4.84 17.510.7 9.52 12.2 10.5 13.2 9.77 7.72 -- 29.6 31.6 28.1 20 17.2 21.1 15.112.2 10.4 15.4 12.2 14.7 11.8 9.49 -- 32 36.3 32.3 20.2 17.6 20.4 15.430.3 7.51 <5 15.6 5.03 8.52 <5 -- <5 5.51 <5 <5 <5 <5 5.4125 9 7 61 <5 17 9 10 1 11 2 20 -- <5 22 8 7 77 7 05 <5 <5 5 14Zinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1 1 1 2-Tetrachloroethane µg/L N/A

25.9 7.61 <5 17.9 10.1 11.2 20 -- <5 22.8 7.77 7.05 <5 <5 5.14

-- <1 <1 <1 <1 <1 <1 1.6 -- <1 7.4 <1 <1 <1 <1<2 <2 <2 <2 0.73 0.87 0.7 <2 -- <2 <2 3.7 <2 4.5 2.3-- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- <6 -- -- -- <25 -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- --<2 <2 <2 -- <2 <2 <2 <0.02 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <1 -- <1 <1 <1 <1 <1 <1<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A

1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1 3 5 Trimethylbenzene µg/L N/A

Sample Number / Date Sampled2

W-02

10/05/05 01/05/06 03/06/06 06/19/06 10/19/06 02/26/07 06/05/07 11/06/03 12/05/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04 12/10/04<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <10 <10 <10 <10 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 -- <10 <0.5 <0.5 <10 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A

1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <10 -- <0.5 <0.5 <10 <10 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <10 <0.5 <0.5 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <1 -- <1 <1 <1 <1 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<5 <5 <5 <5 <5 <5 <5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<5 <5 <5 <5 <5 <5 <5 <2 -- <2 <2 <2 <2 <2 <2

<10 <10 <10 <10 <10 <10 <10 <2 -- <2 <2 <2 <2 <2 <2<2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Chlorobenzene µg/L N/A

Chloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.50.74 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 0.61<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2

<50 <50 <50 <50 <50 <50 <50 <100 -- <100 <100 <100 <100 <100 <100<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <10 <10 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<5 <5 <5 <5 <5 <5 <5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/A

<5 <5 <5 <5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <0.5 -- <0.5 0.51 <0.5 0.65 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 FractionStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2 4 5 T i hl h l /L N/A

Sample Number / Date Sampled2

W-02

10/05/05 01/05/06 03/06/06 06/19/06 10/19/06 02/26/07 06/05/07 11/06/03 12/05/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04 12/10/04<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2 <2

<10 <10 <10 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10 <10<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<5 <5 <5 <5 <5 <5 <5 <1 -- <1 <1 <1 <1 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --<10 <10 <10 <10 <10 <102,4,5-Trichlorophenol µg/L N/A

2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4 Chloroaniline µg/L N/A

-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <50 -- <50 <50 <50 <50 <50 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <25 -- <25 <25 <25 <25 <25 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <50 -- <50 <50 <50 <50 <50 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --

<10 <10 <10 <10 <10 <104-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/A

-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <50 -- <50 <50 <50 <50 <50 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <50 -- <50 <50 <50 <50 <50 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --Bis(2-Chloroethoxy) Methane µg/L N/A

Bis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/A

-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <25 -- <25 <25 <25 <25 <25 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --

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Constituent Units1 FractionDibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1 2 3 c d) Pyrene µg/L N/A

Sample Number / Date Sampled2

W-02

10/05/05 01/05/06 03/06/06 06/19/06 10/19/06 02/26/07 06/05/07 11/06/03 12/05/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04 12/10/04-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <25 -- <25 <25 <25 <25 <25 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --

<10 <10 <10 <10 <10 <10Indeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ATurbidity NTU N/A

-- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <25 -- <25 <25 <25 <25 <25 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 ---- -- -- -- -- -- -- <10 -- <10 <10 <10 <10 <10 --

-- -- -- -- -- -- -- -- 180 -- -- -- -- -- ---- -- -- -- -- -- -- -- <20 -- -- -- -- -- ---- -- -- -- -- -- -- -- <20 -- -- -- -- -- ---- -- -- -- -- -- -- -- <20 -- -- -- -- -- --

-- -- -- -- -- -- -- -- -- -- -- -- 7.04 7.13 6.99-- -- -- -- -- -- -- -- -- -- -- -- 24.00 23.7 24.0

1 0 2 9Turbidity NTU N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated 3. In cases in which the filtered concentrations exceeded the total, the differences are co

-- -- -- -- -- -- -- -- -- -- -- -- 1.0 2 9-- -- -- -- -- -- -- -- -- -- -- -- 271 2,860 2,870

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

V-MW-03

12/30/04 02/15/05 10/05/05 01/05/06 03/02/06 06/19/06 10/19/06 02/26/07 06/05/07 12/24/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04

960 980 840 830 790 780 780 762 744 1,500 1,500 1,600 1,500 1,500 1,200960 980 840 830 790 780 780 762 744 1,500 1,500 1,600 1,500 1,500 1,2000.53 0.59 0.51 0.42 0.53 0.42 0.58 0.63 0.79 8.9 9.4 18 8.3 7.2 6.965.7 69.7 81.1 82.3 72.8 77.2 84.8 87.4 91.3 91.9 94.9 92.4 75 78.4 64.2<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1160 150 110 120 120 100 110 120 130 1,400 1,200 1,200 1,100 990 93094 18 <5 20 31 <5 <5 11 9 98 98 77 97 68 1101 5 1 6 1 4 1 4 1 4 1 1 1 4 1 3 1 6 0 53 0 5 0 38 0 39 0 51 0 54Fluoride mg/L N/A

Hardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/A

1.5 1.6 1.4 1.4 1.4 1.1 1.4 1.3 1.6 0.53 0.5 0.38 0.39 0.51 0.54370 330 240 420 400 430 450 600 520 390 370 350 320 340 280<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

46.2 47.7 64.7 62.6 61.1 62.8 65.6 67.4 68.4 36.5 39.3 38.1 34.1 34.3 28.2<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.15 0.11 <0.1 0.32 0.35 0.28 0.17 <0.1 0.23.3 2.8 1.8 2.1 1.8 1.8 2.2 2.7 3.3 44 41 39 42 24 30

<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.5 <0.5 <0.2 <0.1 <0.1 <0.1<0.5 0.56 0.56 0.42 <0.5 0.98 <0.5 0.84 0.7 1.5 1.7 1.3 1.1 0.98 1.55.9 5.3 5.3 4.5 4.8 5 4.8 7.8 5.1 23 42 26 14 6.5 116.8 7.3 6.8 6.8 4.9 5.4 5.3 11 7.3 19 31 15 12 12 13

<0.5 0.56 0.56 <0.5 <0.5 0.8 <0.5 0.84 0.56 1.5 1.7 1.3 1.1 0.98 1.5<0.1 <0.1 <0.1 <0.1 -- -- -- -- -- <0.1 <0.1 <0.1 <0.1 <0.1 <0.16.81 7.13 7 6.88 6.92 6.85 6.71 6.76 6.84 7.07 7.1 7.17 6.8 6.99 7.030.19 0.12 0.2 0.16 0.11 0.12 0.05 0.1 0.14 0.14 0.17 0.16 0.045 0.18 0.221.4 0.78 0.7 0.67 0.74 0.68 0.076 1.2 0.52 0.15 0.19 0.16 0.2 5.1 6.7

1.77 2.01 2.34 1.59 1.89 1.61 1.57 1.72 2.07 6.42 6.21 6.02 3.11 6.68 2.57556 506 401 391 351 314 331 302 303 2,320 2,460 2,570 2,050 1,990 2,020

2,700 2,400 2000 2000 1900 1700 2000 1800 2000 8,400 9,200 7,400 8,300 8,500 7,800320 290 220 220 200 200 200 210 230 1 800 1 700 1 700 1 800 1 600 1 500Sulfate mg/L N/A

Total Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L Dissolved

d i l

320 290 220 220 200 200 200 210 230 1,800 1,700 1,700 1,800 1,600 1,5001,600 1,500 1700 1250 1200 1230 1240 1200 1220 6,600 5,600 5,700 5,700 5,700 6,500

11 4.4 100 49 16 32 39 5.5 33 2.6 79 23 15 230 <116 5.8 7.9 7.5 16 16 45 2.8 22 0.07 36 14 11 77 2

<25 <25 <25 <0.025 <25 <25 <25 <25 <25 <50 <50 218 <50 <25 <25390 121 1330 142 442 742 457 498 1080 232 607 794 584 272 55.7<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 1.21 1.07 <1 1.15 <1 <1

1.93 2.09 2.34 2.77 1.8 1.45 1.72 1.84 2.37 6.11 5.76 6.41 5.17 17.7 15.51.96 2.32 3.25 2.87 2.17 1.89 2.23 2.07 2.18 7.17 8.88 6.98 8.37 17.5 15.883.7 74.3 77.9 60.7 67.8 65.9 75.9 71.2 69.9 50.7 30.8 36.9 33.1 34.4 37.892.6 77.9 93.4 67.9 71.1 76.9 81.2 82.6 85.2 53.4 36.6 43.1 39.1 38.6 39.8<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.49 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.86 <1

1,410 916 869 645 741 668 629 540 552 5,510 5,750 7,930 4,950 5,340 5,0801,300 899 872 698 725 626 639 576 547 5,830 5,580 7,830 5,400 4,900 5,260<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

Cadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L Total

<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.22.39 2.57 2.57 <1 3.31 3.02 <1 1.96 <1 1.32 2.91 4.2 2.67 2.3 2.083.13 2.98 5.78 <1 6.01 4.11 1.25 3.01 3.17 2.61 4.58 5.92 4.92 2.38 2.311.3 1.6 2.4 2.1 2.6 2.4 2.1 2.4 2.4 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.51 <1<1 <1 1.45 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1.73 <1

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Constituent Units1 FractionCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L Total

V-MW-03

12/30/04 02/15/05 10/05/05 01/05/06 03/02/06 06/19/06 10/19/06 02/26/07 06/05/07 12/24/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/043.15 3.57 2.74 1.82 2.07 2.57 1.79 2.52 2.21 12.9 9.74 10.1 7.31 200 5.852.68 3.54 5.1 2.22 2.83 3.96 2.7 3.49 3.62 14.4 8.93 12.8 16.2 228 6.01<100 <100 <100 218 189 <100 <100 141 178 -- <100 132 <100 <100 <100554 217 1780 473 743 893 775 834 1580 <100 1,130 1,040 604 404 143<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.536 <0.5<0.5 <0.5 1.35 <0.5 <0.5 <0.5 <0.5 <0.5 0.875 <0.5 0.832 1.86 <0.5 1.54 <0.58.01 8.02 6.56 2.71 4.87 3.31 5.44 4.37 6.2 585 269 357 387 514 34519.7 14 97 11.8 20.7 37.9 31.5 49.5 87.4 568 250 373 455 506 354<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.111 <0.1 <0.1 <0.1 0.149<0.1 0.12 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.133 <0.1 <0.1 <0.1 0.1628.6 31.5 22.7 24.8 21.2 18 19.9 17.8 18.7 18.5 16.9 16.9 14.4 19.5 15.429 3 32 8 22 5 24 1 20 3 18 5 19 4 17 3 18 18 5 17 8 17 8 15 9 18 5 15 8Molybdenum µg/L Total

Nickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

29.3 32.8 22.5 24.1 20.3 18.5 19.4 17.3 18 18.5 17.8 17.8 15.9 18.5 15.82.6 <2 4.2 3.5 4.3 2.3 2.6 2.1 2.4 4.5 3.3 2.8 3.6 4.2 3.62.4 <2 6.1 2.8 5.4 3 3.1 2.6 3.4 4 4.1 3.6 3.9 3.9 3.6

6.28 8.33 7.7 5.76 5.59 4.6 7.43 <1 6.54 88.5 114 96 53.2 59.6 815.54 8.28 7.85 5.99 5.36 5.79 7.44 <1 6.53 94.3 117 103 86.9 61 80.9<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

1,240 1,200 1490 1330 1250 1300 1540 1180 1540 1,800 1,530 1,420 1,400 1,300 1,1501,250 1,230 1500 1300 1220 1350 1530 1310 1500 1,690 1,650 1,460 1,510 1,260 1,170

<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1

2.99 3.6 4.58 1.75 2.77 3.85 3.48 1.36 3.09 1.99 6.31 4.24 5.53 3.35 3.3532.8 16.3 94.3 13.8 53 51.9 40.3 35 82.6 2.67 61.4 47.9 38.2 24.4 8.2619.8 20.1 11.2 9.21 10.7 9.22 11.3 7.22 9.84 38.9 34.3 37.5 36.3 31.4 4120.7 21.1 15.4 9.54 11.4 11.5 13.9 8.91 13.1 42.7 36 39.4 43.6 31.1 42.7<5 <5 7.92 6.52 <5 8.72 11.4 <5 7.2 7.68 8.71 <5 <5 25.3 <5<5 <5 29 9 <5 <5 11 5 8 68 11 7 59 1 19 9 8 95 24 9 <5 28 5 <5Zinc µg/L Total

Other ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1 1 1 2-Tetrachloroethane µg/L N/A

<5 <5 29.9 <5 <5 11.5 8.68 11.7 59.1 19.9 8.95 24.9 <5 28.5 <5

<1 <1 -- <1 <1 <1 <1 <1 <1 <1 <1 19 <1 <1 <1<2 <2 <2 <2 <2 <2 2.9 3.1 2.8 <6 <6 <4 3.8 3.9 8.3-- -- -- -- -- -- -- -- -- -- -- -- -- -- --

<1.2 -- -- -- -- -- -- -- -- -- -- -- <25 <1.2 <1.2-- -- -- -- -- -- -- -- -- -- -- -- -- -- --

<0.5 <0.5 <2 <2 <2 -- <2 <2 <2 -- <0.5 <0.5 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <1 <1 <1 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A

1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1 3 5 Trimethylbenzene µg/L N/A

V-MW-03

12/30/04 02/15/05 10/05/05 01/05/06 03/02/06 06/19/06 10/19/06 02/26/07 06/05/07 12/24/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <10 <10 <10 <10 <12<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <10 <10 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A

1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <10 <10 <10 <0.5 <12<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <10 <0.5 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <2 <2 <2 <2 <2 <2 <2 -- <1 <1 <1 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <5 <5 <5 <5 <5 <5 <5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <5 <5 <5 <5 <5 <5 <5 -- <2 <2 <2 <2 <2<2 <2 <10 <10 <10 <10 <10 <10 <10 -- <2 <2 <2 <2 <2<2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 -- <0 5 <0 5 <0 5 <0 5 <0 5Chlorobenzene µg/L N/A

Chloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2

<100 <100 <50 <50 <50 <50 <50 <50 <50 -- <100 <100 <100 <100 <100<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <10 <0.5 <10 <10 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <5 <5 <5 <5 <5 <5 <5 -- <0.5 <0.5 <0.5 <0.5 <0.5Methyl Methacrylate µg/L N/A

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/A

<0.5 <0.5 <5 <5 <5 <5 <5 <5 <5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 0.59 <2 <2 <2 <2 <2 <2 <2 -- <0.5 <0.5 <0.5 0.63 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <10 <10 <12<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 FractionStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2 4 5 T i hl h l /L N/A

V-MW-03

12/30/04 02/15/05 10/05/05 01/05/06 03/02/06 06/19/06 10/19/06 02/26/07 06/05/07 12/24/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 -- <2 <2 <2 <2 <2

<10 <10 <10 <10 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <5 <5 <5 <5 <5 <5 <5 -- <1 <1 <1 <1 <1

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 -- <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12<10 <10 <10 <10 <122,4,5-Trichlorophenol µg/L N/A

2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4 Chloroaniline µg/L N/A

-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <50 <50 <50 <50 <60-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <25 <25 <25 <25 <30-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <50 <50 <50 <50 <60-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12

<10 <10 <10 <10 <124-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/A

-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <50 <50 <50 <50 <60-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <50 <50 <50 <50 <60-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12Bis(2-Chloroethoxy) Methane µg/L N/A

Bis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/A

-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <25 <25 <25 <25 <30-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12

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Constituent Units1 FractionDibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1 2 3 c d) Pyrene µg/L N/A

V-MW-03

12/30/04 02/15/05 10/05/05 01/05/06 03/02/06 06/19/06 10/19/06 02/26/07 06/05/07 12/24/03 02/06/04 02/24/04 06/09/04 10/11/04 10/22/04-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <25 <25 <25 <25 <30-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12

<10 <10 <10 <10 <12Indeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ATurbidity NTU N/A

-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <25 <25 <25 <25 <30-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12-- -- -- -- -- -- -- -- -- -- <10 <10 <10 <10 <12

-- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- -- -- -- -- -- --

7.18 -- -- -- -- -- -- -- -- -- -- -- -- 7.09 7.023.1 -- -- -- -- -- -- -- -- -- -- -- -- 23.03 22.2

9 6 3 1Turbidity NTU N/ASpecific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated 3. In cases in which the filtered concentrations exceeded the total, the differences are co

9 -- -- -- -- -- -- -- -- -- -- -- -- 6.3 12,710 -- -- -- -- -- -- -- -- -- -- -- -- 1,110 7,640

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Constituent Units1 Fraction

General Monitoring ParametersAlkalinity, Total (as CaCO3) mg/L N/ABicarbonate (as CaCO3) mg/L N/ABromide mg/L N/ACalcium mg/L TotalCarbonate (as CaCO3) mg/L N/AChloride mg/L N/AChemical Oxygen Demand mg/L N/AFluoride mg/L N/A

V-MW-04

12/10/04 12/30/04 02/15/05 10/05/05 01/05/06 03/06/06 06/20/06 10/19/06 02/26/07 06/05/07

1,400 1,400 1,400 1200 1200 1200 1000 1100 1100 10201,400 1,400 1,400 1200 1200 1200 1000 1100 1100 1020

5.3 4.3 5.4 3.7 3.2 2.4 2.1 2.3 1.8 1.255.6 55.8 58.1 43.9 40.5 44.5 34.6 39 28.8 33.8<1 <1 <1 <1 <1 <1 <1 <1 <1 <1820 820 820 540 500 480 270 320 270 23046 160 59 47 69 41 36 28 32 15

0 52 0 51 0 43 0 7 0 61 1 1 0 56 1 8 0 84 0 93Fluoride mg/L N/AHardness (as CaCO3) mg/L TotalHydroxide (as CaCO3) mg/L N/AMagnesium mg/L TotalMBAS (Surfactants) mg/L N/ANitrate (as N) mg/L N/ANitrite (as N) mg/L N/ATotal Kjeldahl Nitrogen mg/L TotalCarbon, Total Organic mg/L N/ACarbon, Dissolved Organic mg/L N/ANitrogen, Organic mg/L N/AAmmonia-Nitrogen mg/L TotalpH pH units N/APhosphorus mg/L DissolvedPhosphorus mg/L TotalPotassium mg/L TotalSodium mg/L TotalSpecific Conductance µmhos/cm N/ASulfate mg/L N/A

0.52 0.51 0.43 0.7 0.61 1.1 0.56 1.8 0.84 0.93290 250 250 190 170 170 160 160 260 170<1 <1 <1 <1 <1 <1 <1 <1 <1 <1

25.6 25.3 27.8 24 21.7 25.8 21.6 22.6 16.1 19.30.23 0.21 0.1 0.29 0.26 0.29 0.25 0.63 0.32 0.1224 23 20 10 11 9 7.8 9.3 8 7.8

<0.1 <0.2 <0.2 <0.1 <0.1 <0.1 <0.1 <0.2 <0.1 <0.20.98 0.98 0.98 1.1 0.84 2.5 0.7 0.84 1.1 0.8422 16 13 14 11 12 12 13 15 1117 20 20 18 18 15 12 14 20 13

0.98 0.98 0.98 1.1 0.84 1.9 0.7 0.84 1.1 0.7<0.1 <0.1 <0.1 <0.1 <0.1 -- -- -- -- --7.12 6.88 7.11 7.02 7.1 7.35 7.11 6.85 7.1 7.250.18 0.34 0.25 0.2 0.1 0.4 0.41 0.05 0.28 0.331.2 0.63 0.34 0.77 0.93 0.52 0.85 0.075 1.8 0.94

3.13 2.69 2.86 3.48 2.08 2.18 1.91 1.95 1.76 2.491,750 1,900 1,600 1400 1330 1280 929 1090 962 7277,400 7,200 6,400 4800 4800 4300 3300 4200 3400 32001 300 1 300 1 300 1000 910 890 520 590 520 450Sulfate mg/L N/A

Total Dissolved Solids mg/L N/ATotal Suspended Solids mg/L N/ATurbidity NTU N/A

Metals3

Aluminum µg/L DissolvedAluminum µg/L TotalAntimony µg/L DissolvedAntimony µg/L TotalArsenic µg/L DissolvedArsenic µg/L TotalBarium µg/L DissolvedBarium µg/L TotalBeryllium µg/L DissolvedBeryllium µg/L TotalBoron µg/L DissolvedBoron µg/L TotalCadmium µg/L Dissolved

d i l

1,300 1,300 1,300 1000 910 890 520 590 520 4504,800 4,400 4,300 4600 3180 3190 2580 2830 2340 1970

9.5 6.2 46 2.6 5.2 8.9 5.5 67 2.7 1838 9.7 45 1.7 2.5 18 3.2 47 1.8 7.5

<25 <25 <25 <25 <0.025 <25 <25 <25 <25 <251,900 271 727 201 <0.025 162 171 798 2440 488

<1 <1 <1 <1 <1 <1 <1 <1 <1 <11.2 1.4 1.27 <1 <1 <1 1.07 <1 1.15 1.11

9.93 6.22 10.2 7.82 12.3 8.45 9.59 7.19 9.72 7.1411.1 5.79 11 5.1 13.7 9.68 9.13 7.92 6.1 7.4625.9 26.3 29.1 23.6 16.7 19.1 16.4 23.3 17.9 17.852.4 30.1 37.3 25.1 17.8 20.5 18.6 28.9 45 22.3<1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1

4,610 4,810 3,450 4520 2820 2620 2710 2540 2120 17704,770 4,680 3,270 4900 2960 2590 2700 2540 1880 1890<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2

0 2 0 2 0 2 0 2Cadmium µg/L TotalChromium µg/L DissolvedChromium µg/L TotalChromium, Hexavalent µg/L DissolvedCobalt µg/L DissolvedCobalt µg/L Total

<0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2<1 1.33 <1 <1 <1 <1 <1 <1 <1 <1

4.89 1.91 2.83 <1 <1 <1 <1 <1 6.04 1.1<0.2 <0.2 <0.2 <0.2 <2 0.32 <0.2 <0.2 0.34 0.52<1 <1 <1 <1 <1 <1 <1 <1 <1 <1

1.91 <1 1.14 <1 <1 <1 <1 <1 2.44 <1

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Constituent Units1 FractionCopper µg/L DissolvedCopper µg/L TotalIron µg/L DissolvedIron µg/L TotalLead µg/L DissolvedLead µg/L TotalManganese µg/L DissolvedManganese µg/L TotalMercury µg/L DissolvedMercury µg/L TotalMolybdenum µg/L DissolvedMolybdenum µg/L Total

V-MW-04

12/10/04 12/30/04 02/15/05 10/05/05 01/05/06 03/06/06 06/20/06 10/19/06 02/26/07 06/05/074.82 7.09 7.29 6.44 5.32 5.01 6.88 4.45 3.54 48.06 6.77 7.99 6.74 5.85 4.68 7.26 5.97 7.13 4.18<100 <100 <100 <100 151 <100 <100 <100 <100 <1003,280 507 1,300 257 190 284 218 1520 4000 733<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.52.24 <0.5 0.777 0.623 <0.5 <0.5 0.732 0.593 2.4 <0.5233 162 170 217 87.4 39.5 28.1 113 31.8 33.9351 157 229 146 95.8 53.7 34 133 141 67.6<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1<0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.114.6 15.2 15.7 16.7 18.2 17.8 15.3 17.4 20.5 14.814 1 14 7 15 5 14 5 19 1 21 7 15 3 17 11 9 14 1Molybdenum µg/L Total

Nickel µg/L DissolvedNickel µg/L TotalSelenium µg/L DissolvedSelenium µg/L TotalSilver µg/L DissolvedSilver µg/L TotalStrontium µg/L DissolvedStrontium µg/L TotalThallium µg/L DissolvedThallium µg/L TotalTin µg/L DissolvedTin µg/L TotalTitanium µg/L DissolvedTitanium µg/L TotalVanadium µg/L DissolvedVanadium µg/L TotalZinc µg/L DissolvedZinc µg/L Total

14.1 14.7 15.5 14.5 19.1 21.7 15.3 17 11.9 14.1<2 2.7 <2 2.9 1.8 <2 2.2 <2 <2 <24.2 2.6 2.9 3.3 1.9 <2 2.5 4.4 5.2 2.1

50.1 44.3 47.9 30.2 40.6 29.5 21 34.4 12 19.649.4 44.2 45 36.3 44.3 34.7 21.5 34.9 13.6 18.5<1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1904 1,010 1,100 683 693 676 626 722 441 651930 996 1,080 832 714 756 692 725 686 624<1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1<1 <1 <1 <1 <1 <1 <1 <1 <1 <1

2.27 3.92 4.9 4.26 2.75 2.12 2.97 3.46 1.85 2.2174 26.9 73.7 17.2 6.56 14.1 13.9 71.9 203 39.834.4 41.3 40.6 44.4 26.9 30.6 28.3 31 36 29.341.4 40.6 43.2 31.7 28.3 38.2 27.5 33.8 27.4 32.3<5 8.3 <5 59.7 7.57 <5 11.5 5 6.27 <5

16 2 9 71 7 27 66 <5 <5 10 8 34 28 1 21 6Zinc µg/L TotalOther ConstituentsOil and Grease mg/L N/APerchlorate µg/L N/AN-Nitrosodimethylamine (NDMA) ng/L N/AGlyphosate µg/L N/A1,4-Dioxane µg/L N/A1,2-Dibromo-3-chloropropane (DBCP) µg/L N/AVolatile Organic CompoundsMethyl Bromide µg/L N/AMethyl-t-Butyl Ether (MTBE) µg/L N/ABenzene µg/L N/AToluene µg/L N/AEthylbenzene µg/L N/Ao-Xylene µg/L N/Ap/m-Xylene µg/L N/ATrichloroethylene (TCE) µg/L N/ATetrachloroethylene (PCE) µg/L N/A1 1 1 2-Tetrachloroethane µg/L N/A

16.2 9.71 7.27 66 <5 <5 10 8.34 28.1 21.6

<1 <1 <1 -- <1 <1 <1 1.1 19.6 <13.3 3.4 5.4 <2 2 <4 <2 2.5 2.1 2-- -- -- -- -- -- -- -- -- --

<1.2 <1.2 -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

<0.5 <0.5 <0.5 <2 <2 <2 -- <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,1,1,2-Tetrachloroethane µg/L N/A

1,1,1-Trichloroethane µg/L N/A1,1,2,2-Tetrachloroethane µg/L N/A1,1,2-Trichloro-1,2,2-Trifluoroethane µg/L N/A1,1,2-Trichloroethane µg/L N/A1,1-Dichloroethane µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 Fraction1,1-Dichloroethylene µg/L N/A1,1-Dichloropropene µg/L N/A1,2,3-Trichlorobenzene µg/L N/A1,2,3-Trichloropropane (1,2,3-TCP) µg/L N/A1,2,4-Trichlorobenzene µg/L N/A1,2,4-Trimethylbenzene µg/L N/A1,2-Dibromoethane µg/L N/A1,2-Dichlorobenzene µg/L N/A1,2-Dichloroethane µg/L N/A1,2-Dichloropropane µg/L N/A1,2-Trans-Dichloroethylene µg/L N/A1 3 5 Trimethylbenzene µg/L N/A

V-MW-04

12/10/04 12/30/04 02/15/05 10/05/05 01/05/06 03/06/06 06/20/06 10/19/06 02/26/07 06/05/07<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 51,3,5-Trimethylbenzene µg/L N/A

1,3-Dichlorobenzene µg/L N/A1,3-Dichloropropane µg/L N/A1,4-Dichlorobenzene µg/L N/A2,2-Dichloropropane µg/L N/A2-Butanone (Methylethyl ketone) µg/L N/A2-Chlorotoluene µg/L N/A2-Hexanone µg/L N/A4-Chlorotoluene µg/L N/A4-Methyl-2-pentanone (MIBK) µg/L N/AAcetone µg/L N/AAcrylonitrile µg/L N/AAllyl Chloride µg/L N/ABromobenzene µg/L N/ABromochloromethane µg/L N/ABromoform µg/L N/ACarbon disulfide µg/L N/ACarbon Tetrachloride µg/L N/AChlorobenzene µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <5 <5 <5 <5 <5 <5 <5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <5 <5 <5 <5 <5 <5 <54.1 2.6 <2 <10 <10 <10 <10 <10 <10 <10<2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5Chlorobenzene µg/L N/A

Chloroethane µg/L N/AChloroform µg/L N/Acis-1,2-Dichloroethene µg/L N/Acis-1,3-Dichloropropene µg/L N/ADibromochloromethane µg/L N/ADibromomethane µg/L N/ADichlorobromomethane µg/L N/ADichlorodifluoromethane µg/L N/ADiethyl Ether µg/L N/ADiisopropyl Ether (DIPE) µg/L N/AEthanol µg/L N/AEthyl Methacrylate µg/L N/AEthyl-t-Butyl Ether (ETBE) µg/L N/AHexachloro-1,3-Butadiene µg/L N/AIodomethane µg/L N/AIsopropylbenzene µg/L N/AMethyl Chloride µg/L N/AMethyl Methacrylate µg/L N/A

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<100 <100 <100 <50 <50 <50 <50 <50 <50 <50<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <5 <5 <5 <5 <5 <5 <5Methyl Methacrylate µg/L N/A

Methylene Chloride µg/L N/ANaphthalene µg/L N/An-Butylbenzene µg/L N/An-Propylbenzene µg/L N/Ap-Isopropyltoluene µg/L N/Asec-Butylbenzene µg/L N/A

<0.5 <0.5 <0.5 <5 <5 <5 <5 <5 <5 <5<0.5 <0.5 0.52 <2 <2 <2 <2 <2 <2 <2<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

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Constituent Units1 FractionStyrene µg/L N/At-1,4-Dichloro-2-Butene µg/L N/ATert-Amyl-Methyl Ether (TAME) µg/L N/ATert-Butyl Alcohol (TBA) µg/L N/Atert-Butylbenzene µg/L N/ATetrahydrofuran µg/L N/Atrans-1,3-Dichloropropene µg/L N/ATrichlorofluoromethane µg/L N/AVinyl Chloride µg/L N/ASemi-Volatile Organic Compounds1-Methylnaphthalene µg/L N/A2 4 5 T i hl h l /L N/A

V-MW-04

12/10/04 12/30/04 02/15/05 10/05/05 01/05/06 03/06/06 06/20/06 10/19/06 02/26/07 06/05/07<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<2 <2 <2 <2 <2 <2 <2 <2 <2 <2

<10 <10 <10 <10 <10 <10 <10 <10 <10 <10<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<1 <1 <1 <5 <5 <5 <5 <5 <5 <5

<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5<0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5

-- -- -- -- -- -- -- -- -- --2,4,5-Trichlorophenol µg/L N/A2,4,6-Trichlorophenol µg/L N/A2,4-Dichlorophenol µg/L N/A2,4-Dimethylphenol µg/L N/A2,4-Dinitrophenol µg/L N/A2,4-Dinitrotoluene µg/L N/A2,6-Dinitrotoluene µg/L N/A2-Chloronaphthalene µg/L N/A2-Chlorophenol µg/L N/A2-Methylnaphthalene µg/L N/A2-Methylphenol (o-Cresol) µg/L N/A2-Nitroaniline µg/L N/A2-Nitrophenol µg/L N/A3,3'-Dichlorobenzidine µg/L N/A3-Nitroaniline µg/L N/A4,6-Dinitro-2-Methylphenol µg/L N/A4-Bromophenyl-Phenyl Ether µg/L N/A4-Chloro-3-Methylphenol µg/L N/A4 Chloroaniline µg/L N/A

-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

4-Chloroaniline µg/L N/A4-Chlorophenyl-Phenyl Ether µg/L N/A4-Methylphenol (p-Cresol) µg/L N/A4-Nitroaniline µg/L N/A4-Nitrophenol µg/L N/AAcenaphthene µg/L N/AAcenaphthylene µg/L N/AAniline µg/L N/AAnthracene µg/L N/AAzobenzene µg/L N/ABenzidine µg/L N/ABenzo (a) Anthracene µg/L N/ABenzo (a) Pyrene µg/L N/ABenzo (b) Fluoranthene µg/L N/ABenzo (g,h,i) Perylene µg/L N/ABenzo (k) Fluoranthene µg/L N/ABenzoic acid µg/L N/ABenzyl alcohol µg/L N/ABis(2-Chloroethoxy) Methane µg/L N/A

-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --Bis(2-Chloroethoxy) Methane µg/L N/A

Bis(2-Chloroethyl) Ether µg/L N/ABis(2-Chloroisopropyl) Ether µg/L N/ABis(2-Ethylhexyl) Phthalate µg/L N/AButyl Benzyl Phthalate µg/L N/AChrysene µg/L N/A

-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

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March 2008 TABLE C-17

GROUNDWATER ANALYTICAL RESULTS − VETERANS PARK

Page 151 of 151

Constituent Units1 FractionDibenz (a,h) Anthracene µg/L N/ADibenzofuran µg/L N/ADiethyl Phthalate µg/L N/ADimethyl Phthalate µg/L N/ADi-n-Butyl Phthalate µg/L N/ADi-n-Octyl Phthalate µg/L N/AFluoranthene µg/L N/AFluorene µg/L N/AHexachlorobenzene µg/L N/AHexachlorocyclopentadiene µg/L N/AHexachloroethane µg/L N/AIndeno (1 2 3 c d) Pyrene µg/L N/A

V-MW-04

12/10/04 12/30/04 02/15/05 10/05/05 01/05/06 03/06/06 06/20/06 10/19/06 02/26/07 06/05/07-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

Indeno (1,2,3-c,d) Pyrene µg/L N/AIsophorone µg/L N/ANitrobenzene µg/L N/AN-Nitroso-di-n-propylamine µg/L N/AN-Nitrosodiphenylamine µg/L N/APentachlorophenol µg/L N/APhenanthrene µg/L N/APhenol µg/L N/APyrene µg/L N/APyridine µg/L N/ABiological ParametersHeterotrophic Plate Count CFU/mL N/ATotal Coliforms MPN/100 mL N/AFecal Coliform MPN/100 mL N/AE. coli MPN/100 mL N/AField ParameterspH pH units N/ATemperature (degrees Celsius) degrees Celsius N/ATurbidity NTU N/A

-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

-- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- -- --

7.04 -- -- -- -- -- -- -- -- --22.7 -- -- -- -- -- -- -- -- --7 5Turbidity NTU N/A

Specific Conductance µmhos/cm N/A

1. Units of measure: mg/L = milligrams per liter, µg/L = micrograms per liter, µmhos/cm2. -- indicates the constituent was not analyzed for. Analytes not detected are indicated 3. In cases in which the filtered concentrations exceeded the total, the differences are co

7.5 -- -- -- -- -- -- -- -- --7,420 -- -- -- -- -- -- -- -- --

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TABLE D-1

SOIL ANALYTICAL RESULTS - VOLATILE ORGANIC COMPOUNDS

Site Well/Boring No. Sample No. Sample Date

Volatile Organic

Compounds 2

Broadous L-D B-L-D 32.0 08/26/01 ND 3

HA HA-1 0.5 - 1.0 10/28/02 NDHA HA-2 8.0 - 8.5 10/28/02 ND

H-B1 H-B1 8.0 - 8.5 03/10/05 NDI-B1 I-B1 5.0 03/10/05 ND

LS-02 LS-02 5.0 10/16/01 NDM-B1 B1-1 4.5 - 5.0 08/22/03 NDM-B2 B2-1 5.0 - 5.5 08/22/03 NDM-B3 B3-1 5.0 - 5.5 08/22/03 ND

LS-01-1 20.0 - 21.5 11/05/03 NDLS-01-3 52.0 - 52.5 11/05/03 ND

M-LS-02 LS-02-1 36.5 - 38.0 11/05/03 NDS-B-01-1 S-B-01-1 22.5 - 23.0 03/17/05 NDS-B-01-2 S-B-01-2 45.5 - 46.0 03/17/05 ND

S-1 S-1 5.0 - 5.5 10/29/03 NDLS-02-45.75 45.75 - 46.25 11/06/03 NDLS-02-46.25 46.25 - 46.75 11/06/03 ND

S-LS-01 LS-01-23.5 23.00 - 23.50 11/11/03 NDV-B1 V-B1 10.0 03/11/05 ND

LS-01-1 10.5 - 11.0 10/29/03 NDLS-01-2 15.5 - 18.0 10/29/03 NDV-LS-01

S-LS-02

Veteran's Park

Sun-Valley

M-LS-01Metal Recycler

Sample Depth(feet bgs)1

Los Angeles and San Gabriel Rivers Watershed CouncilWater Augmentation Study

IMAX

Hall House

1. feet bgs = feet below ground surface2. Samples analyzed for volatile and semi-volatile organic compounds using EPA Methods 8260B and 8270C. 3. ND = not detected; sample result is below the reported limit of quantitation.

Page 1 of 4

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TABLE D-2

SOIL ANALYTICAL RESULTS - GENERAL MINERALS AND OTHER CONSTITUENTS

Broadous

Analyte Method UnitsB-L-D8/26/01

HA-12/28/02

HA-22/28/02

H-B13/10/05

I-B13/10/05

I-LS-0210/16/01

M-LS-0111/5/03

M-LS-0211/5/03

S-B-01-13/17/05

S-B-01-23/17/05

S-1 10/29/03

S-LS-0111/11/03

S-LS-0211/6/03

V-B13/11/05

V-LS-0110/29/03

Alkalinity, Total (as CaCO3) SM 2320B M mg/kg1 -- -- -- 180 60 -- 270 50 110 50 -- 190 40 610 800Ammonia EPA 350.2M mg/kg <1.032 38.8 10 25 8.4 <1 <5 <5 17 <5 -- <5 <5 <5 <5

Bicarbonate (as CaCO3) SM 2320B M mg/kg -- -- -- 170 60 -- 130 50 110 50 -- 190 40 580 8,000

Bromide EPA 300.0 mg/kg <5.17 <0.662 <0.662 <1 <1 <5.75 1.2 <1 <1 <1 -- <1 <1 <1 <1

Calcium EPA 6010B mg/kg 6,650 6,790 22,400 5,100 3,310 4,240 5,050 1,870 2,310 3,170 -- 3,160 4,690 5,910 17,500

Carbon, Total Organic EPA 9060 mg/kg -- 94.2 8.67 700 3,800 -- 1,700 <500 <500 <500 -- <500 <500 1,200 --

Carbonate (as CaCO3) SM 2320B M mg/kg -- -- -- 10 <1 -- 140 <1 <5 <5 -- <1 <5 30 30

Chemical Oxygen Demand EPA 410.1M mg/kg -- -- -- 2,000 7,500 -- 4,300 1,800 880 1,500 -- 2,200 2,800 3,400 3,600

Chloride EPA 300.0 mg/kg 29.1 58.8 14.4 <10 <10 28.3 13 22 <10 <10 -- <10 <10 18 47

Fluoride EPA 340.2M mg/kg 0.702 J3 2.59 1.72 4 1.8 <1.15 1.9 0.92 1.5 <0.5 -- 2 1.3 4.2 4.5

Hydroxide (as CaCO3) SM 2320B M mg/kg -- -- -- <1 <1 -- <1 <1 <5 <5 -- <1 <5 <1 <5

Magnesium EPA 6010B mg/kg 3,660 6,610 9,970 5,620 6,650 8,550 3,110 1,790 2,180 2,310 -- 2,120 4,200 6,380 5,080

Nitrate (as N) EPA 300.0 mg/kg 9.3 3.86 <0.143 1.5 1.7 79 1.9 2.9 1.1 1.2 <1 1.8 1.4 1.7 1

Nitrite (as N) EPA 300.0 mg/kg <1.03 <0.2 <0.2 <1 <1 <5.75 <1 <1 <1 <1 -- <1 <1 <1 1.1

Nitrogen, Organic SM 4500-N(org) mg/kg -- 505 43.2 150 390 430 56 28 93 <10 -- 28 98 110 98

o-Phosphate (as P) EPA 300.0 mg/kg -- 9.26 <2.36 -- -- <5.75 -- -- -- -- 6 -- -- -- --

Oil and Grease EPA 413.1M mg/kg 14.5 -- -- <10 <10 <11.5 28 46 -- -- -- <10 76 69 20

Perchlorate EPA 314.0M µg/kg 330 <12.6 <12.6 <20 <20 24.8 J <20 <20 <20 <20 -- <20 <20 <20 <20

pH EPA 9045C pH units 8 82 7 05 8 06 7 58 6 67 7 34 8 76 8 38 7 14 7 68 8 25 6 8 7 78 9 24

Water Augmentation StudyLos Angeles and San Gabriel Rivers Watershed Council

Veterans ParkSun ValleyMetal RecyclerIMAXHall House

pH EPA 9045C pH units 8.82 7.05 8.06 7.58 6.67 7.34 8.76 8.38 7.14 7.68 -- 8.25 6.8 7.78 9.24

Phosphorus EPA 365.3M mg/kg -- 140 11.5 270 730 -- 450 340 190 200 -- 340 680 760 230

Potassium EPA 6010B mg/kg 1,880 4,220 3,960 3,350 3,020 3,880 840 983 1,410 1,300 -- 1,350 2,590 3,210 408

Sodium EPA 6010B mg/kg 318 432 689 254 129 282 287 177 136 156 -- 499 256 208 197

Sulfate EPA 300.0 mg/kg 40.2 73.4 18 <10 <10 107 140 170 <10 <10 -- 130 70 31 400

Surfactants EPA 425.1M mg/kg -- -- -- <1 <1 -- <0.1 <0.1 <1 <1 -- <1 <0.1 <1 <1Total Kjeldahl Nitrogen EPA 351.3M mg/kg 7.56 544 53.2 170 390 374 56 28 110 <10 <10 28 98 110 98

1. mg/kg = milligrams per kilogram; µg/kg = micrograms per kilogram.2. Constituents that are not detected are denoted as being < their reporting limit.

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TABLE D-3

SOIL ANALYTICAL RESULTS - METALS

Broadous

Analyte Method Units1B-L-D8/26/01

HA-12/28/02

HA-22/28/02

H-B13/10/05

I-B13/10/05

I-LS-0210/16/01

M-LS-0111/5/03

M-LS-0211/5/03

S-B-01-13/17/05

S-B-01-23/17/05 S-1 10/29/03

S-LS-0111/11/03

Aluminum EPA 6010B mg/kg 6,820 13,200 18,400 9,320 15,300 27,000 6,120 3,770 4,760 4,570 --2 6,100Antimony EPA 6010B mg/kg <10.3 <2.48 <2.48 <0.75 <0.75 <11.5 1 <0.753 <0.75 <0.75 <0.75 0.881Arsenic EPA 6010B mg/kg -- 3.01 1.03 <0.75 10.7 15.6 <0.75 <0.75 1.74 1.14 <0.75 <0.75Barium EPA 6010B mg/kg 117 140 132 82.5 125 156 75.8 39.5 72.3 47.3 29.1 49Beryllium EPA 6010B mg/kg <1.03 <0.139 <0.139 <0.25 0.691 0.961 J4 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25Boron EPA 6010B mg/kg -- -- -- 1.56 <1 -- 6.69 1 16.2 16.2 -- <1Cadmium EPA 6010B mg/kg <1.03 <0.426 <0.426 <0.5 0.649 <1.15 1 <0.5 <0.5 <0.5 <0.5 <0.5Chromium (Total) EPA 6010B mg/kg 12.3 19.3 22.5 10.5 38.3 51.8 4.31 5.49 3.2 4.01 2.29 7.27Chromium, Hexavalent EPA 7199 µg/kg <450 -- -- 46 410 <506 46 <40 <40 <40 -- <40Cobalt EPA 6010B mg/kg 5.61 7.62 9.78 8.42 14.3 15.9 6.03 2.95 3.44 3.86 2.32 3.5Copper EPA 6010B mg/kg 12.2 28 20.7 16.2 37.9 41.9 5.23 21.1 8.16 13.4 4.08 17Iron EPA 6010B mg/kg 13,800 17,700 23,500 14,000 32,000 35,600 9,360 4,670 5,820 6,170 -- 6,630Lead EPA 6010B mg/kg -- 93.4 1.63 2.14 8.89 9.1 40 1.19 1.43 5.42 0.544 2.38Manganese EPA 6010B mg/kg 175 336 448 262 497 592 195 141 118 110 -- 142Mercury EPA 7471A mg/kg <0.103 0.185 0.072 <0.0835 <0.0835 0.031 J 0 <0.0835 <0.0835 <0.835 <0.0835 <0.0835Molybdenum EPA 6010B mg/kg -- -- -- 0.883 <0.25 -- 0.59 0.8 <0.25 <0.25 <0.25 0.498Nickel EPA 6010B mg/kg 4.85 13.2 15.7 8.1 38.4 48.2 9.82 2.76 2.93 3.46 1.66 3.75Selenium EPA 6010B mg/kg -- <0.336 <0.336 <0.75 <0.75 0.621 J <0.75 <0.75 <0.75 <0.75 <0.75 <0.75Silver EPA 6010B mg/kg <2.07 <0.74 <0.74 <0.25 <0.25 <2.3 <0.25 <0.25 <0.25 <0.25 <0.25 <0.25Strontium EPA 6010B mg/kg -- -- -- 62.3 30 -- 39 20.9 65.9 30.7 -- 50.3Thallium EPA 6010B mg/kg -- <0 359 <0 359 <0 75 <0 75 <2 3 5 98 3 34 <0 75 <0 75 <0 75 7 35

Water Augmentation StudyLos Angeles and San Gabriel Rivers Watershed Council

Hall House IMAX Metal Recycler Sun Valley

Thallium EPA 6010B mg/kg -- <0.359 <0.359 <0.75 <0.75 <2.3 5.98 3.34 <0.75 <0.75 <0.75 7.35Tin EPA 6010B mg/kg -- -- -- <2.5 <2.5 -- 3 <2.5 <2.5 <2.5 -- <2.5Titanium EPA 6010B mg/kg -- -- -- 1,160 3,730 -- 581 326 405 405 -- 462Vanadium EPA 6010B mg/kg 13.6 36.7 50 28.6 61.5 83.4 8.47 8.16 10.1 10.5 8.78 10.5Zinc EPA 6010B mg/kg 23.3 B5 175 67.4 49.3 85.3 97.5 173 21.2 20.4 22.6 15.1 25.1

1. mg/kg = milligrams per kilogram; µg/kg = micrograms per kilogram.2. "--" = not analyzed.3. Constituents that are not detected are denoted as being < their reporting limit.

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TABLE D-3

SOIL ANALYTICAL RESULTS - METALS

S-LS-0211/6/03

V-B13/11/05

V-LS-0110/29/03

8,280 8,880 6,7801 <0.75 <0.75

<0.75 3.42 <0.7578.1 85.8 7.11

<0.25 <0.25 <0.25<1 2.9 <1

<0.5 <0.5 <0.57.88 13.8 29.4<40 <40 2207.78 8.58 7.4925.2 15.6 43.2

12,600 15,000 26,7002.47 3.24 6.49187 362 64.3

<0.0835 <0.0835 <0.0835<0.25 <0.25 <0.256.07 12.3 9.28

<0.75 <0.75 <0.75<0.25 <0.25 <0.2541.7 47.2 79.3

8 <0 75 <0 75

Veterans Park

8 <0.75 <0.75<2.5 <2.5 2.71848 715 61423.7 27.8 49.143.5 42.5 88.7

Page 4 of 4

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Appendix E: Mann Kendall Trend Analysis Summary

Location Constituent Actual Value Critical Value TrendM-LS-03 Arsenic - Dissolved -10 +/-8 -M-LS-04 Arsenic - Dissolved -8 +/-8 -M-LS-03 Arsenic - Total -10 +/-8 -

M-MW-01 Arsenic - Total -34 +/-26 -M-MW-01 Chloride 49 +/-26 +M-LS-03 Copper - Dissolved 8 +/-8 +M-LS-03 Copper - Total 8 +/-8 +M-SW-02 Glyphosate 8 +/-8 +M-SW-02 Lead - Dissolved 8 +/-8 +M-SW-02 Oxygen Demand 8 +/-8 +M-SW-01 Perchlorate 8 +/-8 +M-SW-01 TDS 8 +/-8 +M-LS-01 TKN -16 +/-16 -M-LS-04 TKN -9 +/-8 -M-SW-02 Zinc - Dissolved -8 +/-8 -M-LS-03 Zinc - Dissolved 8 +/-8 +M-LS-03 Zinc - Total 8 +/-8 +S-LS-02 Acetone -27 +/-18 -S-LS-01 Arsenic - Dissolved -26 +/-18 -S-LS-02 Arsenic - Dissolved -18 +/-18 -S-LS-04 Arsenic - Dissolved -26 +/-18 -S-LS-01 Arsenic - Total -20 +/-18 -S-LS-02 Arsenic - Total -20 +/-18 -S-LS-04 Arsenic - Total -24 +/-18 -S-LS-02 Chloride -29 +/-18 -S-LS-03 Chloride -20 +/-18 -S-SW-03 Copper - Dissolved -8 +/-8 -S-LS-03 Copper - Total 20 +/-18 +S-SW-02 Lead - Dissolved -8 +/-8 -S-SW-01 Lead - Total -10 +/-8 -S-LS-01 TDS -18 +/-18 -S-LS-02 TDS -20 +/-18 -S-LS-05 TDS -15 +/-11 -S-SW-01 TKN -8 +/-8 -S-SW-01 Zinc - Dissolved 8 +/-8 +S-LS-02 Zinc - Dissolved 26 +/-18 +S-LS-02 Zinc - Total 18 +/-18 +

V-MW-02 Arsenic - Dissolved -64 +/-28 -V-MW-03 Arsenic - Dissolved -66 +/-38 -V-LS-02 Arsenic - Total -18 +/-18 -

V-MW-02 Arsenic - Total -66 +/-28 -V-MW-03 Arsenic - Total -60 +/-38 -V-SW-01 Copper - Dissolved 8 +/-8 +

Significant Mann-Kendall Trends

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Appendix E: Mann Kendall Trend Analysis Summary

Location Constituent Actual Value Critical Value Trend

Significant Mann-Kendall Trends

V-MW-02 Copper - Dissolved -46 +/-28 -V-MW-04 Copper - Dissolved -80 +/-38 -V-MW-02 Copper - Total -38 +/-28 -V-MW-04 Copper - Total -68 +/-38 -V-MW-02 COD -46 +/-28 -V-MW-04 COD -79 +/-38 -V-SW-01 Chloride 8 +/-8 +V-LS-01 Chloride -23 +/-18 -V-LS-02 Chloride -28 +/-18 -

V-MW-01 Chloride 13 +/-13 +V-MW-02 Chloride -53 +/-28 -V-MW-03 Chloride -55 +/-38 -V-MW-04 Chloride -113 +/-38 -V-LS-01 Nitrate -20 +/-18 -V-LS-02 Nitrate -28 +/-18 -

V-MW-02 Nitrate 49 +/-28 +V-MW-03 Nitrate -59 +/-38 -V-MW-04 Nitrate -104 +/-38 -V-SW-01 TDS 8 +/-8 +V-LS-01 TDS -20 +/-18 -V-LS-02 TDS -34 +/-18 -

V-MW-02 TDS -62 +/-28 -V-MW-03 TDS -77 +/-38 -V-MW-04 TDS -95 +/-38 -V-SW-01 TKN 8 +/-8 +V-LS-02 TKN -22 +/-18 -

V-MW-04 TKN -51 +/-38 -V-SW-01 Zinc - Dissolved 8 +/-8 +V-MW-03 Zinc - Dissolved 38 +/-38 +I-SW-02 Arsenic - Dissolved 21 +/-16 +I-LS-03 Arsenic - Dissolved -11 +/-11 -I-LS-03 Arsenic - Total -11 +/- 11 -

I-MW-01 Chloride -25 +/- 23 -I-MW-01 Copper - Dissolved -21 +/-23 -I-MW-02 Copper - Dissolved -63 +/-52 -I-MW-01 Copper - Total -38 +/- 23 -I-MW-02 Copper - Total -83 +/- 52 -I-LS-01 Lead - Total -39 +/- 26 -I-LS-02 Nitrate -10 +/-8 -I-LS-01 Oxygen Demand 37 +/-26 +

I-MW-02 Zinc - Dissolved -63 +/- 52 -I-LS-01 Zinc - Total -32 +/-26 -I-LS-03 Zinc - Total 11 +/-11 +

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Appendix E: Mann Kendall Trend Analysis Summary

Location Constituent Actual Value Critical Value Trend

Significant Mann-Kendall Trends

H-SW-02 Copper - Dissolved -8 +/-8 -H-LS-01 Copper - Dissolved -11 +/-11 -H-LS-01 Copper - Total -8 +/-8 -H-SW-02 TDS 8 +/-8 +H-LS-01 Zinc - Dissolved -13 +/-11 -

B-MW-01 Copper - Dissolved -25 +/-21 -B-MW-02 Copper - Dissolved -67 +/-42 -B-MW-01 Copper - Total -21 +/-21 -B-MW-02 Copper - Total -68 +/-42 -B-MW-02 Oxygen Demand -56 +/-42 -B-LS-02 TDS -18 +/-16 -

B-MW-01 Zinc - Total -23 +/-21 -

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Appendix E: Broadous

0

200

400

600

800

1000

1200

1400

1600

1800

10/1/2001 6/8/2002 2/13/2003 10/21/2003 6/27/2004 3/4/2005 11/9/2005 7/17/2006 3/24/2007 11/29/2007

Date

TDS

Con

cent

ratio

n

B-LS-01

B-LS-02

B-MW-01

B-MW-02

B-SW-01

SignificantTrend (B-LS-02)

.

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Appendix E: Broadous

0

1

2

3

4

5

6

10/1/2001 6/8/2002 2/13/2003 10/21/2003 6/27/2004 3/4/2005 11/9/2005 7/17/2006 3/24/2007 11/29/2007

Date

CO

D C

once

ntra

tion

B-LS-01B-LS-02B-MW-01B-MW-02B-SW-01B-LS-01_NDB-LS-02_NDB-MW-01_NDB-MW-02_ND

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Appendix E: Broadous

-500

0

500

1000

1500

2000

2500

10/1/2001 6/8/2002 2/13/2003 10/21/2003 6/27/2004 3/4/2005 11/9/2005 7/17/2006 3/24/2007 11/29/2007

Date

Tota

l Zn

Con

cent

ratio

n

B-LS-01

B-LS-02

B-MW-01

B-MW-02

B-SW-01

B-LS-01_ND

B-LS-02_ND

B-MW-01_ND

B-MW-02_ND

B-SW-01_ND

Significant Trend(B-MW-01)

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Con

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Appendix E: Broadous

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E C

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B-LS-01B-LS-02B-MW-01B-MW-02B-SW-01B-LS-01_NDB-LS-02_NDB-MW-01_NDB-MW-02_NDB-SW-01_ND

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Appendix E: Broadous

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Con

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Appendix E: Broadous

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B-LS-01

B-LS-02

B-MW-01

B-MW-02

B-SW-01

B-LS-01_ND

B-LS-02_ND

B-MW-01_ND

B-MW-02_ND

B-SW-01_ND

Significant Trend(B-MW-01)Significant Trend(B-MW-02)

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Appendix E: Broadous

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r Con

cent

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B-LS-01

B-LS-02

B-MW-01

B-MW-02

B-SW-01

B-LS-01_ND

B-LS-02_ND

B-MW-01_ND

B-MW-02_ND

B-SW-01_ND

Significant Trend(B-MW-01)Significant Trend(B-MW-02)

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Appendix E: Broadous

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B-LS-01

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B-MW-01

B-MW-02

B-SW-01

B-LS-01_ND

B-LS-02_ND

B-MW-01_ND

B-MW-02_ND

B-SW-01_ND

Significant Trend(B-MW-02)

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Appendix E: Broadous

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B-LS-01B-LS-02B-MW-01B-MW-02B-SW-01B-LS-01_NDB-LS-02_NDB-MW-01_NDB-MW-02_NDB-SW-01_ND

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Con

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n B-LS-01B-LS-02B-MW-01B-MW-02B-SW-01B-LS-01_NDB-LS-02_NDB-MW-01_NDB-MW-02_NDB-SW-01_ND

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Appendix E: Broadous

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Appendix E: Hall House

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Con

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n

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H-SW-01

H-SW-02

Significant Trend(H-SW-02)

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Appendix E: Hall House

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H-SW-01

H-SW-02

H-LS-01_ND

H-SW-01_ND

H-SW-02_ND

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Appendix E: Hall House

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n

H-LS-01

H-SW-01

H-SW-02

H-LS-01_ND

H-SW-01_ND

H-SW-02_ND

SignificantTrend (H-LS-01)

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Appendix E: Hall House

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n H-LS-01H-SW-01H-SW-02H-LS-01_NDH-SW-01_NDH-SW-02_ND

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Con

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Appendix E: Hall House

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H-SW-01

H-SW-02

Significant Trend(H-LS-01)

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Appendix E: Hall House

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oppe

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H-SW-01

H-SW-02

Significant Trend(H-SW-02)

Significant Trend(H-LS-01)

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: Hall House

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Appendix E: IMAX

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Con

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I-LS-02

I-LS-03

I-MW_01

I-MW-02

I-SW-01

I-SW-02

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Appendix E: IMAX

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Con

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n

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Appendix E: IMAX

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4900

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10/1/2001 6/8/2002 2/13/2003 10/21/2003 6/27/2004 3/4/2005 11/9/2005 7/17/2006 3/24/2007 11/29/2007

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Con

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Appendix E: IMAX

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I-LS-02

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

I-LS-01_ND

I-LS-02_ND

I-LS-03_ND

I-MW-01_ND

I-MW-02_ND

I-SW-01_ND

I-SW-02_ND

Significant Trend(I-MW-02)

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Appendix E: IMAX

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12/30/2001 9/6/2002 5/14/2003 1/19/2004 9/25/2004 6/2/2005 2/7/2006 10/15/2006 6/22/2007

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Con

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n

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Appendix E: IMAX

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Con

cent

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I-LS-01

I-LS-02

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

I-LS-01_ND

I-LS-02_ND

I-LS-03_ND

I-MW-01_ND

I-MW-02_ND

I-SW-01_ND

I-SW-02_ND

Significant Trend(I-LS-01)

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Appendix E: IMAX

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I-LS-03_ND

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I-MW-02_ND

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I-SW-02_ND

SignificantTrend (I-LS-02)

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Con

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I-LS-03

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I-LS-03_ND

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Significant Trend(I-MW-01)

Significant Trend(I-MW-02)

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I-SW-02

I-LS-01_ND

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I-LS-03_ND

I-MW-01_ND

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Significant Trend(I-LS-01)

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I-LS-03_ND

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Significant Trend(I-MW-01)

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Significant Trend(I-LS-03)

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Significant Trend(I-LS-03)Significant Trend(I-SW-02)

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Con

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Significant Trend (M-SW-01)

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M-LS-03

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M-SW-01A

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M-LS-02_ND

M-LS-03_ND

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M-SW-01A_ND

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Significant Trend (M-SW-01)

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Appendix E: Metal Recycler

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Con

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M-LS-02

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M-LS-04

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M-SW-01A

M-SW-02

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M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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Significant Trend (M-LS-03)

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nCon

cent

ratio

n

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01A

M-SW-02

M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-LS-03)

Significant Trend (M-SW-02)

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Appendix E: Metal Recycler

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Con

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M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01A

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M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-LS-04)

Significant Trend (M-LS-01)

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Con

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M-LS-02_ND

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01A

M-SW-02

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M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-SW-02)

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M-LS-01

M-LS-02

M-LS-03

M-LS-04

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M-SW-01

M-SW-01A

M-SW-02

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M-LS-02_ND

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M-LS-04_ND

M-MW-01_ND

M-SW-01_ND

M-SW-01A_ND

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M-LS-03

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M-SW-01

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Con

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M-LS-02

M-LS-03

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M-SW-01A

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M-LS-01_ND

M-LS-02_ND

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M-LS-04_ND

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M-SW-01_ND

M-SW-01A_ND

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01A

M-SW-02

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M-LS-02_ND

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M-LS-04_ND

M-MW-01_ND

M-SW-01_ND

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Con

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M-SW-01A

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M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

M-MW-01_ND

M-SW-01_ND

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01A

M-SW-02

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M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01_ND

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M-SW-02_ND

Significant Trend (M-LS-03)

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01A

M-SW-02

M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01_ND

M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-LS-03)

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M-LS-02

M-LS-03

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M-SW-01A

M-SW-02

M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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M-SW-01_ND

M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-SW-02)

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M-LS-03

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M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

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Significant Trend (M-MW-01)

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Con

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01A

M-SW-02

M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

M-MW-01_ND

M-SW-01_ND

M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-MW-01)

Significant Trend (M-LS-03)

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M-LS-02

M-LS-03

M-LS-04

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M-SW-01

M-SW-01A

M-SW-02

M-LS-01_ND

M-LS-02_ND

M-LS-03_ND

M-LS-04_ND

M-MW-01_ND

M-SW-01_ND

M-SW-01A_ND

M-SW-02_ND

Significant Trend (M-LS-04)

Significant Trend (M-LS-03)

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Con

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S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

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S-SW-03

Significant Trend(S-LS-01)

Significant Trend(S-LS-02)

Significant Trend(S-LS-05)

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S-LS-01S-LS-02S-LS-03S-LS-04S-LS-05S-SW-01S-SW-02S-SW-03S-LS-01_NDS-LS-02_NDS-LS-03_NDS-LS-04_NDS-LS-05_NDS-SW-01_NDS-SW-02_NDS-SW-03_NDSignificant Trend (S-LS-02)Significant Trend (S-SW-01)

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S-LS-01S-LS-02S-LS-03S-LS-04S-LS-05S-SW-01S-SW-02S-SW-03S-LS-01_NDS-LS-02_NDS-LS-03_NDS-LS-04_NDS-LS-05_NDS-SW-01_NDS-SW-02_NDS-SW-03_NDSignificant Trend (S-SW-01)

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S-LS-01S-LS-02S-LS-03S-LS-04S-LS-05S-SW-01S-SW-02S-SW-02AS-SW-03S-LS-01_NDS-LS-02_NDS-LS-03_NDS-LS-04_NDS-LS-05_NDS-SW-01_NDS-SW-02_NDS-SW-02A_NDS-SW-03_NDSignificant Trend (S-LS-02)

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S-LS-01S-LS-02S-LS-03S-LS-04S-LS-05S-SW-01S-SW-02S-SW-03S-LS-01_NDS-LS-02_NDS-LS-03_NDS-LS-04_NDS-LS-05_NDS-SW-01_NDS-SW-02_NDS-SW-03_NDSignificant Trend (S-LS-03)Significant Trend (S-LS-02)

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S-LS-01S-LS-02S-LS-03S-LS-04S-LS-05S-SW-01S-SW-02S-SW-03S-LS-01_NDS-LS-02_NDS-LS-03_NDS-LS-04_NDS-LS-05_NDS-SW-01_NDS-SW-02_NDS-SW-03_NDSignificant Trend (S-LS-01) Significant Trend (S-LS-02)Significant Trend (S-LS-04)

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V-LS-02

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V-SW-02

Significant Trend(V-LS-01)Significant Trend(V-LS-02)Significant Trend(V-MW-02)Significant Trend(V-MW-03)Significant Trend(V-MW-04)Significant Trend(V-SW-01)

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ratio

n

V-LS-01V-LS-02V-MW-01V-MW-02V-MW-03V-MW-04V-SW-01V-SW-02V-LS-01_NDV-LS-02_NDV-MW-01_NDV-MW-02_NDV-MW-03_NDV-MW-04_NDV-SW-01_NDV-SW-02_NDSignificant Trend (V-MW-02)Significant Trend (V-MW-04)Significant Trend (V-SW-01)

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Appendix E: Veterans Park

0

100

200

300

400

500

600

700

800

6/1/2003 12/18/2003 7/5/2004 1/21/2005 8/9/2005 2/25/2006 9/13/2006 4/1/2007 10/18/2007

Date

CO

D C

once

ntra

tion

V-LS-01V-LS-02V-MW-01V-MW-02V-MW-03V-MW-04V-SW-01V-SW-02V-LS-01_NDV-LS-02_NDV-MW-01_NDV-MW-02_NDV-MW-03_NDV-MW-04_NDV-SW-01_NDV-SW-02_NDSignificant Trend (V-MW-02)Significant Trend (V-MW-04)

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Appendix E: Veterans Park

0

500

1000

1500

2000

2500

6/1/2003 12/18/2003 7/5/2004 1/21/2005 8/9/2005 2/25/2006 9/13/2006 4/1/2007 10/18/2007

Date

Chl

orid

e C

once

ntra

tion

V-LS-01V-LS-02V-MW-01V-MW-02V-MW-03V-MW-04V-SW-01V-SW-02V-LS-01_NDV-LS-02_NDV-MW-01_NDV-MW-02_NDV-MW-03_NDV-MW-04_NDV-SW-01_NDV-SW-02_NDSignificant Trend (V-LS-01)Significant Trend (V-LS-02)Significant Trend (V-MW-01)Significant Trend (V-MW-02)Significant Trend (V-MW-03)Significant Trend (V-MW-04)Significant Trend (V-SW-01)

Page 311: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Appendix E: Veterans Park

0

5

10

15

20

25

30

35

6/1/2003 12/18/2003 7/5/2004 1/21/2005 8/9/2005 2/25/2006 9/13/2006 4/1/2007 10/18/2007

Date

Tota

l Ars

enic

Con

cent

ratio

n

V-LS-01V-LS-02V-MW-01V-MW-02V-MW-03V-MW-04V-SW-01V-SW-02V-LS-01_NDV-LS-02_NDV-MW-01_NDV-MW-02_NDV-MW-03_NDV-MW-04_NDV-SW-01_NDV-SW-02_NDSignificant Trend (V-LS-02)Significant Trend (V-MW-02)Significant Trend (V-MW-03)

Page 312: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Appendix E: Veterans Park

0

5

10

15

20

25

30

35

6/1/2003 12/18/2003 7/5/2004 1/21/2005 8/9/2005 2/25/2006 9/13/2006 4/1/2007 10/18/2007

Date

Dis

solv

ed A

rsen

ic C

once

ntra

tion

V-LS-01V-LS-02V-MW-01V-MW-02V-MW-03V-MW-04V-SW-01V-SW-02V-LS-01_NDV-LS-02_NDV-MW-01_NDV-MW-02_NDV-MW-03_NDV-MW-04_NDV-SW-01_NDV-SW-02_NDSignificant Trend (V-MW-02)Significant Trend (V-MW-03)

Page 313: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 50 100 150 200 250

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 314: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 20 40 60 80 100 120

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 315: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000

Total Dissolved Solids Concentration (mg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 316: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 5 10 15 20 25 30 35 40 45

Nitrate (as N) Concentration (mg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 317: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 50 100 150 200 250

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 318: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 50 100 150 200 250

Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 319: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 100 200 300 400 500 600 700 800

Chemical Oxygen Demand Concentration (mg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 320: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 200 400 600 800 1,000 1,200 1,400 1,600

Chloride Concentration (mg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 321: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 5 10 15 20 25 30 35

Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 322: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Veterans Park

-35

-30

-25

-20

-15

-10

-5

00 5 10 15 20 25 30 35

Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

V-LS-01

V-LS-02

V-MW-01

V-MW-02

V-MW-03

V-MW-04

V-SW-01

V-SW-02

Page 323: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 100 200 300 400 500 600 700 800

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 324: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 50 100 150 200 250 300 350 400

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 325: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 10 20 30 40 50 60 70 80 90 100

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 326: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 5 10 15 20 25 30 35 40 45 50

Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 327: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 10 20 30 40 50 60 70 80 90

Chloride Concentration (mg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 328: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 5 10 15 20 25 30 35

Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 329: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 5 10 15 20 25 30 35

Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-03

Page 330: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Sun Valley

-450

-400

-350

-300

-250

-200

-150

-100

-50

00 500 1,000 1,500 2,000 2,500

Acetone Concentration (µg/L)

Dep

th (

feet

bg

s)

EV-10

S-LS-01

S-LS-02

S-LS-03

S-LS-04

S-LS-05

S-SW-01

S-SW-02

S-SW-02a

S-SW-03

Page 331: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 500 1,000 1,500 2,000 2,500 3,000 3,500

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 332: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 200 400 600 800 1,000 1,200

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 333: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 50 100 150 200 250 300 350

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 334: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 20 40 60 80 100 120 140 160 180

Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 335: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 20 40 60 80 100 120 140 160

Chloride Concentration (mg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 336: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 2 4 6 8 10 12 14 16

Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 337: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Mid City

-300

-250

-200

-150

-100

-50

00 2 4 6 8 10 12 14 16

Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

M-LS-01

M-LS-02

M-LS-03

M-LS-04

M-MW-01

M-SW-01

M-SW-01a

M-SW-02

Page 338: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 200 400 600 800 1,000 1,200

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 339: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 100 200 300 400 500 600 700

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 340: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 50 100 150 200 250 300 350

Nitrate (as N) Concentration (mg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 341: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 10 20 30 40 50 60 70 80 90

Total Lead Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 342: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 10 20 30 40 50 60 70 80 90 100

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 343: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 5 10 15 20 25 30 35 40 45

Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 344: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 10 20 30 40 50 60 70

Chemical Oxygen Demand Concentration (mg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 345: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 20 40 60 80 100 120 140 160

Chloride Concenration (mg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 346: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 10 20 30 40 50 60 70 80

Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 347: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

IMAX

-70

-60

-50

-40

-30

-20

-10

00 10 20 30 40 50 60 70

Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

I-LS-01

I-LS-03

I-MW-01

I-MW-02

I-SW-01

I-SW-02

Page 348: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

00 100 200 300 400 500 600 700 800 900 1,000

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s)

H-SW-01

H-SW-02

H-LS-01

Page 349: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

00 100 200 300 400 500 600

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s) H-SW-01

H-SW-02

H-LS-01

H-LS-01 ND

Page 350: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 20 40 60 80 100 120 140

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s) H-SW-01

H-SW-02

H-LS-01

Page 351: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

00 2 4 6 8 10 12 14 16 18

Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s)

H-SW-01

H-SW-02

H-LS-01

Page 352: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

0 10 20 30 40 50 60 70

Chloride Concentration (mg/L)

Dep

th (

feet

bg

s)

H-SW-01

H-SW-02

H-LS-01

H-SW-01 ND

H-SW-02 ND

H-LS-01 ND

Page 353: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

00 0.5 1 1.5 2 2.5 3 3.5 4

Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

H-SW-01

H-SW-02

H-SW-01 ND

H-SW-02 ND

H-LS-01 ND

Page 354: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Hall House

-9

-8

-7

-6

-5

-4

-3

-2

-1

00 0.5 1 1.5 2 2.5 3 3.5 4 4.5

Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

H-SW-02

H-LS-01

H-SW-01 ND

H-SW-02 ND

H-LS-01 ND

Page 355: Los Angeles Basin Water Augmentation Study Phase II ... · The summary tables contain the ranges of analytical results for general monitoring parameters, metals, biological and other

Broadus

-200

-180

-160

-140

-120

-100

-80

-60

-40

-20

00 5 10 15 20 25 30 35 40 45

Total Zinc Concentration (µg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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00 10 20 30 40 50 60 70 80

Dissolved Zinc Concentration (µg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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00 200 400 600 800 1,000 1,200

Total Dissolved Solids Concentration (mg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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00 2 4 6 8 10 12 14 16 18 20

Total Copper Concentration (µg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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Dissolved Copper Concentration (µg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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Chemical Oxygen Demand Concentration (mg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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Chloride Concentration (mg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01

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Total Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s)

B-LS-02

B-MW-01

B-SW-01

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Dissolved Arsenic Concentration (µg/L)

Dep

th (

feet

bg

s) B-LS-02

B-MW-01

B-MW-02

B-SW-01