cypress water production facility monthly status report€¦ · this report shall not be...

CITYOFLOMITA

CypressWaterProductionFacility

MonthlyStatusReportJanuary2015

2 | P a g e

Background

On March 15, 2013, the City of Lomita received conditional approval from the Department of Public Health (DPH) to distribute blended water from the Cypress Water Production Facility (CWPF) Well No. 5 to the City’s customers.

The CWPF is an iron-manganese greensand filtration treatment system designed to remove primarily iron, manganese, and color. The CWPF was recently modified to enable aeration and blending with Metropolitan Water District (MWD) imported water to address the aesthetic secondary issues of Total Dissolved Solids (TDS), Hardness (as Calcium Carbonate), and Taste/Odor.

The CWPF came online on April 1, 2013. The first week of operations from April 1 to April 5, 2013 was utilized for conducting routine startup activities. The distribution of blended water to the City’s residents began on April 5, 2013.

Well Production and Operations

For the month of January 2015, the CWPF operated for approximately 31 days, providing blended water on a fill and draw cycle with the reservoir level fluctuating with system demand. The total production from Well No. 5 for the month was approximately 61.11 ac-ft (19,912,493 gallons) with a daily production of approximately 1.97 ac-ft. The total combined production from both MWD import water and Well No. 5 was approximately 109.90 ac-ft (35,809,680 gallons) for the month with a combined daily production of approximately 3.55 ac-ft. The daily average flow from Well No. 5 was 533 gpm. The average flow from the Well was determined by taking an average of the daily reads provided on the Daily Monitoring logs used onsite. The blend ratio for this month was on average 56% Well water and 44% MWD water.

Operational Interruptions

There were no major operational interruptions during the month of January 2015. Routine and preventive maintenance was performed on various pieces of equipment as-needed. No major planned operational interruption is anticipated for the following month.

Sample Locations

Compliance monitoring is performed at the following sample locations: SP1, SP2, SP3, SP5, and SP6. The SP1 sample location is the raw well water sample location. The SP2 sample location is on the effluent side of the greensand filter (before ammonia injection or full chloramination). The SP3 sample location is downstream of the greensand filter after full chloramination and the static mixer before entering the reservoir. The SP5 sample location is the reservoir effluent sample location before entering the distribution system. The SP6 sample location is the MWD source sample location before blending occurs.

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Water Quality Monitoring

All water quality monitoring analyses were performed by laboratories certified by the Department of Health’s Environmental Laboratory Accreditation Branch (ELAB). The CWPF has been continuously monitored, maintained and inspected, per the CWPF Operations Monitoring and Maintenance Plan. A brief discussion of the laboratory and/or monitoring results is provided below. Refer to Appendix A for laboratory results.

A. Iron, Manganese, and Color

See Table 1 below for a summary of the results for the compliance monitoring at the three sample locations SP1 through SP3. Color in the raw water (SP1) for the month was below the Maximum Contaminant Level (MCL). Iron and Manganese concentrations in the raw water (SP1) were below and above the MCL, respectively. Iron and Manganese levels entering the reservoir (SP3) were non-detect, indicating the greensand filtration system remains highly effective. Other additional bacteriological laboratory samples collected included Total Coliform and Heterotrophic Plate Count (HPC) levels on the effluent side of the greensand filter (SP2) showing absent for both.

Table 1. Monitoring Results for SP1, SP2, and SP3 Sample Locations.

Dat

e, w

eek

of

SP 1, Well Raw Water Discharge SP 2, Combined Pressure Filter

Effluent

SP 3, After chloramination static mixer; reservoir entry

Iron

, ug/

L

*MC

L =

3 0

0 ug

/L

Man

gane

se, u

g/L

*MC

L =

50

ug/L

Col

or

*MC

L=15

Tot

al C

olifo

rm

Tot

al C

olifo

rm

HP

C, M

PN

/100

mL

MC

L=50

0

Iron

, mg/

L

*MC

L =

300

ug/

L

Man

gane

se, m

g/L

*MC

L =

50

ug/L

Col

or

*MC

L=15

1/8/2015 165 300 95.1 50 10 15 A A A 500 ND 300 ND 50 10 15

1/14/2015 ND 300 ND 50 5 15

1/22/2015

ND 300 ND 50 5 15

1/28/2015 ND 300 ND 50 5 15

Notes: Monthly‐ Orange Weekly‐ Yellow(4/5/13) ‐ CWPF open to distribution system A – Absent ND – Non Detect *Per the SWRCB Drinking Water “Chemicals and Contaminants in Drinking Water” Regulations

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B. Free and Total Chlorine Residuals

Daily free chlorine residuals were monitored at SP2, SP3 and SP4. Daily total chlorine residuals were monitored at SP3 and SP5. Free chlorine and total chlorine residuals, at all respective sample points, were monitored using a combination of continuous chlorine analyzers and SCADA. See Table 2 below for a weekly summary of the results.

Table 2. Monitoring Results for Free and Total Chlorine at SP2, SP3, SP4 and SP5 Sample Locations.

Date, week of SP2 SP3 SP4 SP5

Free Cl Free Cl Total Cl Free Cl Total Cl MCL = 4 mg/L

1/7/2015 10.24 10.34 10.55 0.59 3.19 4

1/14/2015 6.61 5.93 5.84 1.36 2.88 4

1/22/2015 8.72 6.14 5.96 0.74 3.13 4

1/28/2015 7.90 6.91 6.81 0.94 2.88 4

C. TDS, Odor, Hardness, and Methane

See Table 3 below for a summary of the results for the monitoring of Total Dissolved Solids (TDS), Odor (as measured by the Threshold Odor No. - T.O.N.), Total Hardness as Calcium Carbonate, and Methane levels in water at three sample locations SP1, SP5 and SP6.

Table 3. Monitoring Requirements and Frequencies for SP1, SP5, and SP6.

Dat

e, w

eek

of

TDS, mg/L T.O.N. Hardness,

mg/L Methane

(Water), mg/L

SP

1 -

Ra

w W

ell

Wat

er

SP

6 -

MW

D W

ater

SP

5 -

Res

erv

oir

Eff

lue

nt

Go

al=

500

- 7

50

mg

/L

SP

5 -

Res

erv

oir

Eff

lue

nt

MC

L=

3

SP

5 -

Res

erv

oir

Eff

lue

nt

Go

al=

180

- 2

50

mg

/L

SP

1 -

Ra

w W

ell

Wat

er

SP

5 -

Res

erv

oir

Eff

lue

nt

1/7/2015 680 640 670 500-750 1 3 310 180-250 5.2 0.86

1/14/2015 700 500-750 1.1

1/21/2015 670 500-750 1.2

1/28/2015

720 500-750 0.81

Average

690 0.99

Notes: Monthly‐ Orange Weekly‐ Yellowppm – parts per million mg/L – milligram per liter T.O.N. ‐ Threshold Odor Number TDS ‐ Total Dissolved Solids Hardness ‐ As total CaCO3 Methane (Water) ‐ Methane dissolved in water

5 | P a g e

D. Total Dissolved Solids (TDS)

The sampling results indicate the TDS levels of the effluent blended water to be on average 690 mg/L. These levels have decreased significantly compared to historical levels ranging between 850 to 900 mg/L. The TDS level of the effluent water meets the City’s Water Quality Objective/Goal of 500 to 750 mg/L. The sampling results indicate the TDS levels in the raw water and MWD water source to be 680 mg/L and 640 mg/L, respectively.

E. Hardness

The sampling results for the month of January indicate the hardness levels of the blended water to be 310 mg/L. Although, this hardness level is in the upper range of the City’s Water Quality Objective/Goal of 180 to 250 mg/L; staff continues to monitor hardness levels at the CWPF effluent (SP5) and within the water distribution system. The City has maintained a consistent blend ratio to ensure acceptable hardness levels are met.

Staff continues to use an orthophosphate/polyphosphate additive to sequester calcium hardness. Orthophosphate/Polyphosphate is a food grade National Sanitation Foundation (NSF 60) approved additive which decreases iron tuberculation, diminishes calcium scale deposits, minimizes corrosion, reduces discoloration, reduces staining and mineral build-up resulting in fewer customer complaints.

F. Dissolved Methane (in Water)

The methane levels in the CWPF effluent after aeration treatment remain negligible averaging 0.99 mg/L.

G. Methane (in Air)

The methane levels in the reservoir headspace are monitored daily by staff using a handheld device. These readings have consistently read non-detect to low concentrations for methane in air. Available methane hand held monitoring instruments can only detect levels of 1% Lower Explosive Limit (LEL) or greater. The handheld methane readings during the month were below the 50,000 ppm LEL. See attached methane log for the month of January 2015 in Appendix B.

Appendix A

Laboratory Results

Department of

Protecting Consumers and the Environment Since 1881

This report shall not be reproduced, except in full,

Report ID: 22588 - 705965 Page 1 of 4

Ulises EscalonaCity of Lomita24300 Narbonne Ave.Lomita, CA 90717

January 21, 2015

RE: Workorder: E1500054 Well Monitoring / SP1 W13

Dear Ulises Escalona:

CA State DPH Certificate #1430County Sanitation ID #10240

Enclosed are the analytical results for sample(s) received by the laboratory on Thursday, January 08, 2015. Results reported hereinconform to the most current ELAP standards, where applicable, unless otherwise narrated in the body of the report.

If you have any questions concerning this report, please feel free to contact me at (562)622-0437.

Sincerely,

EnclosuresNote: All results have no blank correction unless otherwise specified

Thant Zin Win

Chief

11012 S. Garfield Ave.South Gate, California 90280

http://acwm.lacounty.gov

without the written consent of LA County ACWM Environmental Toxicology Bureau.

3004.1.0.0

COUNTY OF LOS ANGELES

Agricultural Commissioner/Weights and Measures

Kurt E. FlorenAgricultural Commissioner

Director of Weights and Measures

Richard K. IizukaChief Deputy

To Enrich Lives Through Effective and Caring Service

Environmental Toxicology Laboratory

Department of



Report ID: 22588 - 705965 Page 2 of 4

SAMPLE SUMMARY

Workorder: E1500054 Well Monitoring / SP1 W13

Lab ID Sample ID Matrix Date Collected Date ReceivedLocation

E1500054001 W13-005 Drinking Water 1/8/2015 12:15 1/8/2015 13:05W13-005 - 26112 Cypress St., (SP1)Collector: Edward DuVivier




3004.1.0.0








Department of



Report ID: 22588 - 705965 Page 3 of 4

ANALYTICAL RESULTS

Workorder: E1500054 Well Monitoring / SP1 W13

1/8/2015 13:05

W13-005

Matrix: Drinking Water

RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500054001

Results Units Report Limit DF ByAnalyzedMDL Qual

Date Collected:

Date Received:

1/8/2015 12:15

MCL

System Number: 1910073-003Sample Type: Source

Purpose: RoutineSystem Name:

METALS, DISSOLVEDAnalysis Desc: EPA 200.8, Dissolved Analytical Method: EPA 200.8, Dissolved

Iron 165 ug/L 100 1 1/13/2015 12:42 GS 240Manganese 95.1 ug/L 20.0 1 1/13/2015 12:42 GS 40

WETCHEMISTRYAnalysis Desc: SM 2120B Analytical Method: SM 2120B

Color 10 Unit 5.00 1 1/8/2015 16:10 LS




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of 4

Wednesday, January 21, 2015 2:22:39 PM

Department of



Report ID: 22591 - 702348 Page 1 of 5


January 12, 2015

RE: Workorder: E1500057 Dist S13-Lomita Bacti





Sincerely,


Thant Zin Win

Chief




3004.1.0.0








Department of



Report ID: 22591 - 702348 Page 2 of 5

SAMPLE SUMMARY

Workorder: E1500057 Dist S13-Lomita Bacti


E1500057001 W13-005 Drinking Water 1/8/2015 12:15 1/8/2015 13:05W13-005 - 26112 Cypress St., (SP1)Collector: Edward Duvivier




3004.1.0.0








Department of



Report ID: 22591 - 702348 Page 3 of 5

ANALYTICAL RESULTS

Workorder: E1500057 Dist S13-Lomita Bacti

1/8/2015 13:05

W13-005


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500057001


Date Collected:

Date Received:

1/8/2015 12:15

MCL


Purpose: SpecialSystem Name: Lomita

MICROBIOLOGYAnalysis Desc: SM 9223 COLILERT 18 Analytical Method: SM 9223 COLILERT 18

Fecal Coliform ABSENT 1 1/8/2015 15:30 CGTotal Coliform ABSENT 1 1/8/2015 15:30 CG




3004.1.0.0








of 5

Monday, January 12, 2015 10:21:52 AM

Department of



Report ID: 22590 - 703030 Page 1 of 5


January 12, 2015

RE: Workorder: E1500056 Lomita Monthly Special SP2





Sincerely,


Maggie Xuan

Supervising Toxicologist




3004.1.0.0








Department of



Report ID: 22590 - 703030 Page 2 of 5

SAMPLE SUMMARY

Workorder: E1500056 Lomita Monthly Special SP2


E1500056001 E13-005C Drinking Water 1/8/2015 12:15 1/8/2015 13:05E13-005C - 26122 Cypress St.,(SP2-Combined Pressure Eff.)

Collector: Edward DuVivier




3004.1.0.0








Department of



Report ID: 22590 - 703030 Page 3 of 5

ANALYTICAL RESULTS

Workorder: E1500056 Lomita Monthly Special SP2

1/8/2015 13:05

E13-005C


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500056001


Date Collected:

Date Received:

1/8/2015 12:15

MCL


Purpose: SpecialSystem Name: Lomita-Combined Effluent (SP2)

MICROBIOLOGYAnalysis Desc: Idexx Simplate Analytical Method: Idexx Simplate

Heterotrophic Plate Count ND MPN/100mL 2.00 1 1/8/2015 13:15 CG 500

Analysis Desc: SM 9223 COLILERT 18 Analytical Method: SM 9223 COLILERT 18

Total Coliform ABSENT 1 1/8/2015 15:30 CG




3004.1.0.0








of 5

Monday, January 12, 2015 2:22:27 PM

Department of



Report ID: 22587 - 705957 Page 1 of 4


January 21, 2015

RE: Workorder: E1500053 SP3 Monitoring Weekly Lomita





Sincerely,


Thant Zin Win

Chief




3004.1.0.0








Department of



Report ID: 22587 - 705957 Page 2 of 4

SAMPLE SUMMARY

Workorder: E1500053 SP3 Monitoring Weekly Lomita


E1500053001 E13-005A Drinking Water 1/8/2015 12:15 1/8/2015 13:05E13-005A - 26122 Cypress St.,(SP3)

Collector: Edward DuVivier




3004.1.0.0








Department of



Report ID: 22587 - 705957 Page 3 of 4

ANALYTICAL RESULTS

Workorder: E1500053 SP3 Monitoring Weekly Lomita

1/8/2015 13:05

E13-005A


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500053001


Date Collected:

Date Received:

1/8/2015 12:15

MCL




Iron ND ug/L 100 1 1/13/2015 12:38 GS 240Manganese ND ug/L 20.0 1 1/13/2015 12:38 GS 40


Color 10 Unit 5.00 1 1/8/2015 16:10 LS




3004.1.0.0








of 4

Wednesday, January 21, 2015 2:21:19 PM

Department of



Report ID: 22641 - 710143 Page 1 of 4


February 2, 2015

RE: Workorder: E1500107 SP3 Lomita Weekly



Enclosed are the analytical results for sample(s) received by the laboratory on Wednesday, January 14, 2015. Results reported hereinconform to the most current ELAP standards, where applicable, unless otherwise narrated in the body of the report.


Sincerely,


Thant Zin Win

Chief




3004.1.0.0








Department of



Report ID: 22641 - 710143 Page 2 of 4

SAMPLE SUMMARY

Workorder: E1500107 SP3 Lomita Weekly



Collector: Brian Aguayo




3004.1.0.0








Department of



Report ID: 22641 - 710143 Page 3 of 4

ANALYTICAL RESULTS

Workorder: E1500107 SP3 Lomita Weekly

1/14/2015 12:35

E13-005A


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500107001


Date Collected:

Date Received:

1/14/2015 11:01

MCL




Iron ND ug/L 100 1 1/28/2015 12:17 RZ 240Manganese ND ug/L 20.0 1 1/28/2015 12:17 RZ 40


Color 5 Unit 5.00 1 1/14/2015 12:50 LS




3004.1.0.0








of 4

Monday, February 02, 2015 2:05:15 PM

Department of



Report ID: 22721 - 710147 Page 1 of 4


February 2, 2015

RE: Workorder: E1500187 Lomita Weekly SP3 RUSH





Sincerely,


Thant Zin Win

Chief




3004.1.0.0








Department of



Report ID: 22721 - 710147 Page 2 of 4

SAMPLE SUMMARY

Workorder: E1500187 Lomita Weekly SP3 RUSH



Collector: Edward Duvivier




3004.1.0.0








Department of



Report ID: 22721 - 710147 Page 3 of 4

ANALYTICAL RESULTS

Workorder: E1500187 Lomita Weekly SP3 RUSH

1/22/2015 12:05

E13-005A


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500187001


Date Collected:

Date Received:

1/22/2015 10:45

MCL






Color 5 Unit 5.00 1 1/22/2015 13:40 LS




3004.1.0.0








of 4


Department of



Report ID: 22762 - 710210 Page 1 of 4


February 2, 2015

RE: Workorder: E1500228 Lomita Weekly RUSH



Enclosed are the analytical results for sample(s) received by the laboratory on Wednesday, January 28, 2015. Results reported hereinconform to the most current ELAP standards, where applicable, unless otherwise narrated in the body of the report.


Sincerely,


Thant Zin Win

Chief




3004.1.0.0








Department of



Report ID: 22762 - 710210 Page 2 of 4

SAMPLE SUMMARY

Workorder: E1500228 Lomita Weekly RUSH



Collector: Duvivier Edward




3004.1.0.0








Department of



Report ID: 22762 - 710210 Page 3 of 4

ANALYTICAL RESULTS

Workorder: E1500228 Lomita Weekly RUSH

1/28/2015 12:25

E13-005A


RegLmt

Parameters

Lab ID:

Sample ID:

RegLmt

E1500228001


Date Collected:

Date Received:

1/28/2015 11:00

MCL






Color 5 Unit 5.00 1 1/29/2015 11:00 LS




3004.1.0.0








of 4


Clinical Laboratory of San Bernardino, Inc.

Lomita, City of

Lomita, CA 9171724373 Walnut Avenue

Mark Andersen

Stu Styles

Client Services Manager

16 January 2015

Sincerely,

15A0407Clinical Lab No.:

Enclosed are the results of the analyses for samples received at the laboratory on

01/07/15 . Samples were received within temperature range, in correct containers and

preservation.

Analyses were performed pursuant to client's chain of custody, within hold times, utilizing

EPA or other ELAP approved methodologies.

I certify that the results are within compliance both technically and for completeness.

Analytical results are attached to this letter. Please call if any additional information and or

assistance are needed.

Thank you for choosing Clinical Laboratory of San Bernardino for your analytical needs.

Project Name: Standard Analysis

Sub Project: CWPF Monthly Compliance Analysis

Post Office Box 329 San Bernardino, CA 92402 (909) 825-7693 Fax (909) 825-7696 ELAP Number 1088

Sub Project:

Project Manager: Reported:

Lomita, City of

24373 Walnut Avenue

Mark AndersenLomita CA, 91717

Project: Standard Analysis

CWPF Monthly Compliance Analysis

Work Order: 15A0407

Received: 01/07/15 16:30

01/16/15


ResultAnalyte BatchPrepared AnalyzedMethod Units

Raw Water Site #1 15A0407-01 (Water) 01/07/15 11:36 Edward DuvivierSample Date: Sampler:

MCLRep. Limit Qualifier

General Chemical Analyses

680 150255201/12/15 Total Filterable Residue/TDS SM 2540C mg/L 01/09/15 5.0 1000


Reservoir Effluent Site #5 15A0407-02 (Water) 01/07/15 11:37 Edward DuvivierSample Date: Sampler:


General Physical Analyses

01/07/15 1502434Apparent Color NDSM 2120B Color Units 01/07/15 3.0 15

1 150243401/07/15 Odor Threshold EPA 140.1M TON 01/07/15 1 3




Zone #2 Site #6 15A0407-03 (Water) 01/07/15 11:31 Edward DuVivierSample Date: Sampler:




Analyte NOT DETECTED at or above the reporting limitND

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Mark Andersen

Stu Styles


15 January 2015

Sincerely,




preservation.








Sub Project: CWPF Weekly Non-Comp Analysis


Sub Project:


Lomita, City of

24373 Walnut Avenue



CWPF Weekly Non-Comp Analysis

Work Order: 15A0421

Received: 01/07/15 16:30

01/15/15



Reservoir Effluent Site #5 15A0421-01 (Water) 01/07/15 11:33 Edward DSample Date: Sampler:



310 [CALC]01/12/15 Hardness, Total (as CaCO3) Calculated mg/L 01/12/15 6.6

0.17 150248301/08/15 Ortho-Phosphate (as P) HACH 8048 mg/L 01/08/15 0.0067

0.50 150240501/08/15 Phosphorus (Total as P) HACH 8190 mg/L 01/08/15 0.0067

Metals

79 150302401/12/15 Calcium (Ca) EPA 200.7 mg/L 01/12/15 1.0

26 150302401/12/15 Magnesium (Mg) EPA 200.7 mg/L 01/12/15 1.0


Page 2 of 2


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Lomita, City of


Mark Andersen

Stu Styles


22 January 2015

Sincerely,




preservation.








Sub Project: CWPF Weekly Comp. Analysis


Sub Project:


Lomita, City of

24373 Walnut Avenue



CWPF Weekly Comp. Analysis

Work Order: 15A1026

Received: 01/14/15 16:30

01/22/15








Page 2 of 2


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Lomita, City of


Mark Andersen

Stu Styles


28 January 2015

Sincerely,




preservation.










Sub Project:


Lomita, City of

24373 Walnut Avenue




Work Order: 15A1494

Received: 01/21/15 16:10

01/28/15








Page 2 of 2


Certificate of Analysis

Client:

01/22/15 12:23

01/28/15 11:35

P.O. #:

15A1494

John Styles


Fax:

Phones:

(909) 825-7696

(909) 825-7693

Turnaround Time: 5 workdays

Report Date:

Received Date:

Project:

Attn:

Grand Terrace, CA 92313

21881 Barton Road

Dear John Styles :

Enclosed are the results of analyses for samples received 1/22/2015 with the Chain of Custody document. The samples were

received in good condition, at 4.1 °C and on ice. All analysis met the method criteria except as noted below or in the report

with data qualifiers.

Matrix: Water

Sampled by: Client Sampled: 01/21/15 12:53

Sample ID: Reservoir Effluent Site #5 / 15A1494-01Lab Sample ID: 5A22030-01

Analyte Result MDL DilMRL Units QualifierPrepared Analyzed BatchMethod

..................................................................... 10 ug/l W5A11141/22/15 1/22/15 9:50Methane RSK-1751200 11

Weck Laboratories, Inc 14859 East Clark Avenue, City of Industry, California 91745-1396 (626) 336-2139 FAX (626) 336-2634

Page 1 of 3

www.wecklabs.com

5A22030

http://www.wecklabs.com


Quality Control Section

Dissolved Gases in Water by RSK-175 - Quality Control

Batch W5A1114 - RSK-175

Prepared: 01/22/15 Analyzed: 01/22/15 09:50 Blank (W5A1114-BLK1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample

Result %REC RPDQualifier AnalyteQC

Result

................................................................................... ug/lNDMethane

................................................................................... ug/lNDEthane

................................................................................... ug/lNDEthene

Prepared: 01/22/15 Analyzed: 01/22/15 09:50 LCS (W5A1114-BS1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 7.92 50-150109ug/l8.59Methane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 6.60 50-15061ug/l4.02Ethane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 5.60 50-15052ug/l2.91Ethene


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 198 85-11593ug/l185Methane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 660 85-11595ug/l629Ethane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 560 85-11595ug/l532Ethene

Prepared: 01/22/15 Analyzed: 01/22/15 09:50 Calibration Check (W5A1114-CCV1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 198 85-115107ug/l211Methane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 660 85-115104ug/l686Ethane


%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 560 85-115101ug/l563Ethene


Page 2 of 3

www.wecklabs.com

5A22030



ELAP # 1132

LACSD # 10143

NELAC # 04229CA

Notes:

The Chain of Custody document is part of the analytical report.

Any remaining sample(s) for testing will be disposed of one month from the final report date unless other arrangements are made in

advance.

All results are expressed on wet weight basis unless otherwise specified.

An Absence of Total Coliform meets the drinking water standards as established by the State of California Department of Health Services.

The Reporting Limit (RL) is referenced as laboratory's Practical Quantitation Limit (PQL).

For Potable water analysis, the Reporting Limit (RL) is referenced as Detection Limit for reporting purposes (DLRs) defined by EPA.

If sample collected by Weck Laboratories, sampled in accordance to lab SOP MIS002

The results in this report apply to the samples analyzed in accordance with the chain of custody document. Weck Laboratories certifies

that the test results meet all requirements of NELAC unless noted in the Case Narrative. This analytical report must be reproduced in its

entirety.

Contact: Brandon Gee

(Project Manager)

Authorized Signature

Flags for Data Qualifiers:

ND NOT DETECTED at or above the Reporting Limit. If J-value reported, then NOT DETECTED at or above the Method

Detection Limit (MDL).

Subcontracted analysis, original report enclosed.Sub

Method Detection LimitDL

Minimum Detectable ActivityMDA

Method Reporting LimitRL

Not ReportableNR


Page 3 of 3

www.wecklabs.com

5A22030


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Lomita, City of


Mark Andersen

Stu Styles


06 February 2015

Sincerely,




preservation.










Sub Project:


Lomita, City of

24373 Walnut Avenue




Work Order: 15A2060

Received: 01/28/15 16:00

02/06/15



Reservoir Effluent Site #5 15A2060-01 (Water) 01/28/15 11:46 Edward DSample Date: Sampler:





Page 2 of 2



Client:

01/30/15 11:30

02/05/15 13:54

P.O. #:

15A2060

John Styles


Fax:

Phones:

(909) 825-7696

(909) 825-7693

Turnaround Time: 5 workdays

Report Date:

Received Date:

Project:

Attn:

Grand Terrace, CA 92313

21881 Barton Road

Dear John Styles :

Enclosed are the results of analyses for samples received 1/30/2015 with the Chain of Custody document. The samples were

received in good condition, at 3.0 °C and on ice. All analysis met the method criteria except as noted below or in the report

with data qualifiers.

Matrix: Water

Sampled by: Client Sampled: 01/28/15 11:46

Sample ID: Reservoir Effluent Site #5 / 15A2060-01Lab Sample ID: 5A30021-01

Analyte Result MDL DilMRL Units QualifierPrepared Analyzed BatchMethod

..................................................................... 10 ug/l W5B02772/5/15 2/5/15 10:20Methane RSK-175810 11


Page 1 of 3

www.wecklabs.com

5A30021



Quality Control Section

Dissolved Gases in Water by RSK-175 - Quality Control

Batch W5B0277 - RSK-175

Prepared: 02/05/15 Analyzed: 02/05/15 10:20 Blank (W5B0277-BLK1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... ug/lNDMethane

Prepared: 02/05/15 Analyzed: 02/05/15 10:20 LCS (W5B0277-BS1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 7.92 50-15068ug/l5.42Methane

Prepared: 02/05/15 Analyzed: 02/05/15 10:20 LCS (W5B0277-BS2)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 198 85-11599ug/l196Methane

Prepared: 02/05/15 Analyzed: 02/05/15 10:20 Calibration Check (W5B0277-CCV1)

%REC

Limits

RPD

LimitUnitsSpike

Level

Sample


Result

................................................................................... 198 85-11598ug/l195Methane


Page 2 of 3

www.wecklabs.com

5A30021



ELAP # 1132

LACSD # 10143

NELAC # 04229CA

Notes:

The Chain of Custody document is part of the analytical report.

Any remaining sample(s) for testing will be disposed of one month from the final report date unless other arrangements are made in

advance.

All results are expressed on wet weight basis unless otherwise specified.

An Absence of Total Coliform meets the drinking water standards as established by the State of California Department of Health Services.

The Reporting Limit (RL) is referenced as laboratory's Practical Quantitation Limit (PQL).

For Potable water analysis, the Reporting Limit (RL) is referenced as Detection Limit for reporting purposes (DLRs) defined by EPA.

If sample collected by Weck Laboratories, sampled in accordance to lab SOP MIS002

The results in this report apply to the samples analyzed in accordance with the chain of custody document. Weck Laboratories certifies

that the test results meet all requirements of NELAC unless noted in the Case Narrative. This analytical report must be reproduced in its

entirety.

Contact: Brandon Gee

(Project Manager)

Authorized Signature

Flags for Data Qualifiers:

ND NOT DETECTED at or above the Reporting Limit. If J-value reported, then NOT DETECTED at or above the Method

Detection Limit (MDL).

Subcontracted analysis, original report enclosed.Sub

Method Detection LimitDL

Minimum Detectable ActivityMDA

Method Reporting LimitRL

Not ReportableNR


Page 3 of 3

www.wecklabs.com

5A30021


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Appendix B

Methane Monitoring Log

Date Time Methane Handheld Comments

CH4‐0%

Oxy‐20.7%

CH4‐0%

Oxy‐20.5%

CH4‐0%

Oxy‐20.5%

CH4‐1%

Oxy‐20.1%

CH4‐1%

Oxy‐20.1%

CH4‐0%

Oxy‐20.1%

CH4‐0%

Oxy‐20.3%

CH4‐0%

Oxy‐20.5%

CH4‐4%

Oxy‐20.9%

CH4‐0%

Oxy‐20.3%

CH4‐0%

Oxy‐20.9%

CH4‐0%

Oxy‐20.0%

CH4‐0%

Oxy‐20.8%

CH4‐0%

Oxy‐20.0%

CH4‐0%

Oxy‐20.0%

CH4‐2%

Oxy‐20.5%

CITY OF LOMITA

CPWF HANDHELD METHANE LOG READINGS

January 2015

1/1/2015Holiday

1/2/2015Friday ‐ City Hall Closed

1/3/2015Saturday

1/4/2015Sunday

1/5/2015 3:30 PM

1/6/2015 08:45am

1/7/2015 07:55am

1/8/2015 01:55pm

1/9/2015 03:25pm

1/10/2015Saturday

1/11/2015Sunday

1/12/2015

1/13/2015 03:15pm

1/14/2015 03:00pm

1/15/2015 08:00am


1/17/2015Saturday

1/18/2015Sunday

1/19/2015

1/20/2015 10:30 AM

Holiday

10:45 AM

Sunday

1/26/2015

1/27/2015 03:10pm

1/21/2015 02:45pm

1/22/2015 03:55pm

1/23/2015 03:20pm

1/24/2015Saturday

1/25/2015

Weekend/Day OFF/Holiday‐ Red

ND‐ Non Detect

CH4‐ Methane

Oxy‐Oxygen


1/31/2015Saturday

1/28/2015 03:00pm

1/29/2015 02:30pm

cypress water production facility monthly status report€¦ · this report shall not be...

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