addendum to task 2 work plan post-screening ...the task 2 work plan provide fos r headspace screenin...

? 9 / > i D>j» • / / • • »

ESE Environmental Science & Engineering, Inc.

SDMS DocID 284283

June 16, 1992

Almerinda P. Silva, RPM U.S. Environmental Protection Agency Region I TRANSMITTAL: FED EXPRESS J.F.K. Federal Building (HEC-CAN6) Boston, Massachusetts 02203

RE: Addendum to Task 2 Work Plan Post-Screening Field Investigations Old Southington Landfill Project

26 L \

Dear Ms. Silva:

This letter addendum provides clarification on outstanding issues related to the Work Plan for Task 2 field investigations at the Old Southington Landfill project. Environmental Science & Engineering, Inc. (ESE) submitted the revised Task 1 Report and Task 2 Work Plan on May 22, 1992. Numerous communications between EPA and ESE, by telephone and fax, took place between May 22, 1992 and June 11, 1992, to facilitate final approval of field activities. A meeting was held on June 11, 1992, between EPA, EBASCO, the state of Connecticut, and ESE, to clarify outstanding issues. Most issues will be resolved in the draft RI. Remaining issues are addressed in this letter. This letter addendum should be kept in the inside cover pocket of Volume 1 of the Task 1 Report/Task 2 Work Plan.

STORAGE/DISPOSAL OF DRILLING WASTES

The GZA Site Management Plan provides details for handling of drilling wastes, and will be followed during Task 2 field drilling activities. Wastes requiring containerization and storage will not be stored at the Well 5 pump house, however. Containerized wastes will be stored in an enclosed roll-off dumpster within the fenced area behind the Parks and Recreation Building. Drill rigs will be steam-cleaned at the decontamination area used in previous investigations.

Five Overlook Drive Amherst, New Hampshire 03031 Phone (603) 672-2511 Fax (603) 672-2014

Ms. Almerinda Silva, EPA RPM June 16, 1992

CONSTRUCTION OF MONITORING WELLS

ESE will normally use PVC riser and screens for construction of monitoring wells. For deep wells, ESE may use either wire-wound PVC screen or stainless steel screen, as necessary to withstand the weight of riser pipe.

HEADSPACE SCREENING OF BORING SOILS

The Task 2 Work Plan provides for headspace screening of saturated-zone soils from borings B302, B303, B304, and B306. Soil from the split-spoon will be placed in a 40 ml VOC vial equipped with a teflon-lined septum. The vial will be filled to three-quarters full. Vials will be allowed to equilibrate for a minimum of fifteen minutes in the field office. A 250 ul sample of headspace air above the soil will be withdrawn from the vial using a gas-tight syringe. The headspace air will be injected onto a field gas chromatograph for analysis in the same manner as described in the Work Plan for soil gas screening analysis.

EVALUATION OF WELL B-4 FOR GROUNDWATER SAMPLING

The Task 2 Work Plan provides for sampling and analysis of existing well B-4, if possible. ESE will evaluate the integrity of the well based on the physical condition of the well and on its recharge capacity. ESE will inspect the well casing to assure that the well is not likely to be impacted by surface water inflow. The depth to the bottom of the well will be measured and compared to historical data collected at the time of installation, to determine the degree of siltation, if any, within the well. Finally, ESE will redevelop the well and perform permeability tests at the well to determine whether the well has adequate interaction with the aquifer.

DEVELOPMENT OF NEW MONITORING WELLS

Rather than submit an SOP, ESE describes well development in detail in Section 5.1.5.6 of the Task 1 Report/Task 2 Work Plan. Well development will be continued until the purged water is clear and free of significant settling solids. Wells will be allowed to set for a minimum of two weeks prior to sampling. At the time of sampling, three well volumes will be removed, the well allowed to recharge, and then the groundwater sample collected. Disposal of development and purge water is discussed in the GZA Work Plan Site Management Plan, and will be adhered to during Task 2 activities.


ECOLOGICAL RISK ASSESSMENT

ESE will be responsible for preparation of the Ecological Risk Assessment (ERA). The ERA will be submitted to EPA for review and approval.

DIOXIN ANALYSIS

The Task 2 Work Plan provides for the collection of four surface soil samples for analysis for dioxins/furans. These analyses will be performed by Triangle Laboratory, Sugar Land, Texas (Statement of Qualifications is enclosed). The analyses will be performed according to EPA CLP Method DFLM01, Revision 01.1. The method is isomer specific and, if 2,3,7,8Dioxin is identified, a confirmation will be performed.

REVISED TABLE 5-3

A revised Table 5-3 is enclosed. As discussed at the June 11, 1992 meeting, this revised table provides a listing of all sampling/analytical testing, with QA/QC samples, analytes, methods, DQO levels, and rationale. This table was revised and consolidated rather than creating a second table.

ANALYTICAL METHODS

For CLP analyses, Aquatec Laboratory will use the Statement of Work for Organics, Multimedia/Multiconcentrations, Document OLM 01.8 and Statement of Work for Inorganics, Multimedia/Multiconcentrations, Document ILM 01.2. Compound lists and detection limits are set forth in the Statements of Work, and Aquatec has confirmed their intent and ability to meet the requirements and detection limits set forth therein. QA/QC criteria for matrix spike and matrix spike duplicates have remained the same as those listed in the GZA QAPP, and will be followed for Task 2 analyses.

Water quality parameters will be analyzed by the following methods and at the indicated detection limit:


ANALYTE EPA METHOD # DETECTION LIMIT

Ammonia 350.2 0.05 mg/L Alkalinity 310.1 1 mg/L COD 410.1 5 mg/L Nitrate/Nitrite 353.3 0.01 mg/L Hardness By calculation 2 mg/L T. Sulfate 375.4 1 mg/L T. Phosphate 365.2 0.01 mg/L TSS 160.2 0.5 mg/L

AIR ANALYSES BY EPA METHOD T-02

The requested SOP from Aquatec Laboratory relative to the requirements of EPA Method T-02 will be submitted to EPA under separate cover, for approval in advance of the analytical soil gas sampling.

JOB-SPECIFIC LABORATORY REQUIREMENTS

ESE has previously submitted a copy of Aquatec Laboratory's QAPP, for EPA's review and approval. As requested at the June 11, 1992 meeting, this section discusses additional discussion of job-specific activities to be used by Aquatec to assure that the analytical work performed is consistent with the requirements of the Task 2 Work Plan.

Aquatec has established Ms. Kim Watson as Laboratory Project Manager (PM) for this project. Her function is to interact with ESE's Project Manager to assure that the laboratory understands the analytical requirements of the project. Ms. Watson will check the chain-ofcustody forms for each shipment of samples to assure that there are no discrepancies, and will call the ESE PM if any problems are identified. Potential problems would be mislabelled samples, broken samples, unclear analytical requests, etc.

Each shipment of samples will be given a distinct SDG number. Laboratory QA/QC will be conducted on each SDG according to the requirements of the Statements of Work. Samples required for field QA/QC (field blanks, replicates, samples for use for MS/MSD) will be selected by ESE's Site Manager.


Aquatec will provide I-Chem Series 300 bottles for each analysis, according to the bottle requirements for bottle selection and preservation set forth in the Table 3 of the Work Plan QAPP.

ESE expects to begin the drilling program on June 22, 1992, unless EPA requests that it be delayed. If you have any questions concerning this submittal, or if any issue requires further clarification, please contact me.

Thank you.

Very truly yours, ENVIRONMENTAL SCIENCE & ENGINEERING, INC.

VV. Gary Wilson Project Manager

cc: Thomas O'Connor, CT DEP Carol Lear, P&H Jim Thompson, P&H Bob Argazzi, P&W David Montany, P&W

TABLE 5-3 Revision 2

PROPOSED TASK 2 SAMPLING AND TESTING PROGRAM Dale 6-15-92

Old Southington Landfill Project

Southington, Connecticut

SAMPLE TYPE/ MATRIX NUMBER TESTS TO ANALYTICAL DQO RATIONALE

LOCATION OF SAMPLES BE PERFORMED METHOD LEVEL

SURFICIAL SOIL SAMPLES

SFS-1 lhiuSFS-19 SOIL 19 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 DETERMINE PRESENCE. IF ANY. OF

4 DIOXIN CLPDFLM01. REV 01 1 LEVEL 4 CONTAMINANTS WITHIN THE SURFACE SOIL

ACROSS THE STUDY SITE

EQUIP BLANK WATER i FULL TCL/TAL CLF PROTOCOLS LEVEL .! QA/aC

MS/MSD SOIL 2 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

REPLICATE SOIL 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

SURFACE WATER/ SEDIMENT SAMPLES

SWS-1 thru SWS-11 SURFACE 11 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 DETERMINE PRESENCE. IF ANY. OF

WATER DISSOLVED 0 45 urn FILTER/ CONTAMINANTS WITHIN THE SURFACE WATER

TAL METALS CLP PROTOCOLS LEVEL 4 OR SEDIMENT AROUND AND WEST OF

WO PARAMETERS See note 1 LEVEL 3 BLACK POND

FIELD MEASUREMENTS See note 2 LEVEL 2

SED-1 lhruSED-11 SEDIMENT 11 FULL TCL/TAL CLP PROTOCOLS LEVEL 4

GRAIN SIZE ASTM D422-63 LEVEL 2

TOC EPA4151 LEVEL 3

EQUIP BLANK WATER 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

MS/MSD SEDIMENT 2 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

REPLICATE SEDIMENT 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

MS/MSD SURF WATER 2 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

REPLICATE SURF WATER 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

TBD-TO BE DETERMINED B - BRIDGING WELL C - COMPOSITE SAMPLE

S - SHALLOW | _ iNTERMFOtATE WEI 1

M - MEDIUM TR - TOP OF ROCK CLP PROTOCOLS - DOCUMENTS ILM 01.2 AND OLM 01 8

D - DEEP

NOTE 1 . AMMONIA - EPA 350 2 NITRATE/NITRITE - EPA 353.3 T PHOSPHORUS - EPA 365.2

HARDNESS - BY CALC T.SULFATE-EPA3754 T ALKALINITY - EPA 310 1

COD - EPA 410 1 T SUSPENDED SOI IDS - EPA 160 2

NOTE 2 PM EPA ISO ) DISS OXYGEN - EPA 366 ? TEMPERATURE - EPA 170 1

TURBIDITY - EPA 180 1 SPEC COND -EP A 120 1



Old Southington Landfill Project Southington, Connecticut



SOIL SAMPLES FROM BORINGS

B201 SOIL TBD TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE WESTERN LIMIT OF DEBRIS MASS

B202 SOIL TBD TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE WESTERN LIMIT OF DEBRIS MASS

B203 SOIL TBD TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE SOUTHERN LIMIT OF DEBRIS MASS




B207 SOIL 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 CHARACTERIZE SOLID SOLID WASTE IN

SOUTHERN AREA. DETERMINE VERTICAL

EXTENT OF DEBRIS MASS

B208 SOIL 1 FULLTCUTAL CLP PROTOCOLS LEVEL 4 CHARACTERIZE SOLID SOLID WASTE IN



6209 SOIL 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 CHARACTERIZE SOLID SOLID WASTE IN



B301 SOIL TBD TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE SUBSURFACE GEOLOGY

NORTH OF SSDA 1

1(C) TOC EPA415 1 LEVEL 3 DETERMINE FATE/TRANSPORT PARAMETERS

GRAIN SIZE ASTM D422-63 LEVEL 2 OVER SCREENED INTERVAL OF WELL B30IB

TBD-TO BE DETERMINED B - BRIDGING WELL C - COMPOSITE SAMPLE

S - SHALLOW I - INTERMEDIATE WELL

M . MEDIUM TR . TOP Of ROCK i P PROTOCOt S - DOCUMENTS II M 01 2ANDOLM 01 8

D - DEEP

NOTE 1 AMMONIA - EPA 350 2 NITRATE/NITRITE - EPA 353 3 T. PHOSPHORUS - EPA 365 2

HARDNESS - BY CALC T SULFATE - EPA 375.4 T ALKALINITY - EPA 310 1

COD - EPA 410 I T. SUSPENDED SOLIDS EPA 160 2

PH - EPA 150 1 DISS. OXYGEN - EPA 366 2 TEMPERATURE - EPA 170 1

TURBIDITY - EPA 160.1 SPEC. COND - EPA 120 1

TABLE 5-3 PROPOSED TASK 2 SAMPLING AND TESTING PROGRAM

Old Southington Landfill Project

SAMPLE TYPE/ MATRIX

LOCATION

B302 SOIL

B303 SOIL

B304 SOIL

B305 SOIL

B306 SOIL

EQUIPMENT BLANK WATER

MS/USD SOIL

REPLICATE SOIL

TBD-TO BE DETERMINED

S SHALLOW

M - MEDIUM

D - DEEP

NOTE r AMMONIA- EPA05O 2

HARDNESS BY CALC.

COO EPA 410 1

PH - EPA 150.1

TURBIDITY EPA 180 1

Southington, Connecticut

NUMBER TESTS TO

OF SAMPLES BE PERFORMED

TBD TCL-VOC

3(C) TOC

GRAIN SIZE

IbU TCu-VOC

3(C) TOC

GRAIN SIZE

TBD TCL-VOC

3(C) TOC

GRAIN SIZE

TBD TCL-VOC

I(C) IOC

GRAIN SIZE

TBD TCL-VOC

3(C) TOC

GRAIN SIZE

1 TCL-VOC

2 TCL-VOC

1 TCL-VOC

B-BRIDGING WELL

I . INTERMEDIATE WELL

TR - TOP OF ROCK

NIT RATE (NITRITE - EPA 353 3

T SULFATE - EPA 375 4

T. SUSPENDED SOLIDS - EPA 160 2

DISS OXYGEN - EPA 366 ?

ANALYTICAL

METHOD

CLP PROTOCOLS

EPA415 1

ASTM D422-63

ULK KMUIUUULb

EPA415 1

ASTM D422-63

CLP PROTOCOLS

EPA 415 1

ASTM D422-63

CLP PROTOCOLS

EPA 415 1

ASTM D422-63

CLP PROTOCOLS

EPA415 1

ASTM D422-63

CLP PROTOCOLS

CLP PROTOCOLS

CLP PROTOCOLS

C - COMPOSITE SAMPLE

DQO

LEVEL

LEVEL 4

LEVEL 3

LEVEL 2

LEVELS

LEVEL 2

LEVEL 4

LEVEL 3

LEVEL 2

LEVEL 4

LEVELS

LEVEL 2

LEVEL 4

LEVEL 3

LEVEL 2

LEVEL 4

LEVEL 4

LEVEL 4

CLP PROTOCOLS - DOCUMENTS ILM 01 2 AND OLM 01 «

T PHOSPHORUS - EPA 385 2

T. ALKALINITY - EPA 310 1

TEMPERATURE - EPA 170.1

SPEC. COND - EPA 120 1

Revision 2

Dale 6-15-92

RATIONALE

DETEMINE SUBSURFACE GEOLOGY

DOWNGRADIENT OF SSDA 1

DETERMINE FATE/TRANSPORT PARAMETERS

OVER SCREENED INTERVALS OF EACH WELL

DOWNGRADIENT OF SSDA 1 & SSDA 2




OOWNGRADIENT OF SSDA 2

DETERMINE FATEfTRANSPORT PARAMETERS



DOWNGRADIENT OF SSDA 2

DETERMINE FAlE/tRANSPORT PARAMETERS

OVER SCREENED INTERVAL OF WELL B305


AT THE SW CORNER OF STUDY SITE



QA/QC

OA/OC

OA/OC

TABLE 5-3 PROPOSED TASK 2 SAMPLING AND TESTING PROGRAM


SAMPLE TYPE/ MATRIX

LOCATION

GROUNDWATER SAMPLES

B301B

B302B

B302I

B302TR

B303B

B303I

B303TR

B304B

B304I

B304TR

B305B

IBO-TO BE DETERMINED

S - SHALLOW

M - MEDIUM

D - DEEP

NOTE 1

GROUNDWATEH

GROUNDWATER

GROUNOWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

GROUNDWATER

AMMONIA - EPA 350.2

HARDNESS - BY CALC

COD-EPA 410 1

PH - EPA 150 1

TURBIDITY -EPA 160 \

NUMBER

OF SAMPLES

1

1

1

1

1

1

1

1

1

1

1

B - BRIDGING WEIL

I - INTERMEDIATE WELL

T R - TOP OF ROCK

NITRATE/NITRITE - EPA 353 3

T SULFATE - EPA 375 4

TESTS TO

BE PERFORMED

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL/TAL

FULL TCL-VOC

T SUSPENDED SOLIDS - EPA 160 7

DtSS OXYGEN - EPA 366 2 TEMPERATURE-EPA 170 1

SPEC CONO - EPA 120 t

Revision. 2

Dale 6-15-92

RATIONALE

DETERMINE SHALLOW GW CONDITIONS

NORTH OF SSDA 1


DOWN GRADIENT OF SSDA 1

DETERMINE MID-DEPTH GW CONDITIONS


DETERMINE DEEP GW CONDITIONS



DOWN GRADIENT OF SSDA 1 & SSDA 2


DOWN GRADIENT OF SSDA 1 & SSDA 2


DOWN GRADIENT OF SSOA 1 S, SSDA 2








SOUTH OF SSDA 2

ANALYTICAL DOO

METHOD LEVEL

CLP PROTOCOLS LEVEL 4











C - COMPOSITE SAMPLE

CLP PROTOCOLS - DOCUMENTS ILM 01.2 AND OLM 01.8

T PHOSPHORUS - EPA 365.2

T ALKALINITY - EPA 310.1


PROPOSED TASK 2 SAMPLING AND TESTING PROGRAM Date 6-15-92




B306B GROUNDWATER 1 FULL TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE SHALLOW GW CONDITIONS

N SOUTHWEST CORNER OF STUDY AREA

B306I GROUNDWATER 1 FULL TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE MID-DEPTH GW CONDITIONS


BW6TR GROUNDWATER FULL TCL-VOC OLr rmj IUI/ULO LtVtL 4 Ut 1 tHMINb LJtbP GW CONDITIONS


LW-15S GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GROUNDWATER

LW-tSM GROUNOWATER t TCL-VOC CLP PROTOCOLS LEVEL 4 CONDTIONS AT MULTIPLE

LW-15D GROUNDWATER t TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS IN THE OVERBURDEN

TB-7S GROUNOWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 AQUIFER THROUGHOUT

THE STUDY AREA

GZ-1 GROUNDWATEfl i TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GROUNDWATER CONDITIONS

GZ-2 GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 AT BACKGROUND LOCATIONS

GZ-4S GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE

GZ-4M GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS ACROSS STUDY AREA

GZ-4D GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4

GZ-5S GROUNOWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE

GZ-5M GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS ACROSS STUDY AREA

GZ-5D 6ROUNOWATER i TCL-VOC CLP PROTOCOLS LEVEL 4

GZ-7S GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE

GZ-7M GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS ACROSS STUDY AREA

GZ-7D GROUNDWATER i TCL-VOC CLP PROTOCOLS LEVEL 4

TBD-TOBE DETERMINED B - BRIDGING WELL C - COMPOSITE SAMPLE

S . SHALLOW I - INTERMEDIATE WELL

M „ MEDIUM TR - TOP OF HOCK CLP PROTOCOLS - DOCUMENTS ILM 01.2 AND OlM 01.8

D. DEEP

NOTE l AMMONIA - EPA 350 2 NITRATE/NITRITE - EPA 353.3 T PHOSPHORUS - EPA 365 2

HARDNESS-BY CALC. T SULFATE - EPA 375.4 T ALKALINITY - EPA 310 1

COD EPA 410.1 T SUSPENDED SOLIDS - EPA 160 2

PH -EPA 150 1 DtSS. OXYGEN - EPA 366 2 TEMPERATURE - EPA 170.1

TURBIDITY- EPA 180 1 SPCC CONO - EPA 120 1

TABLE 5-3 Revision. 2





TW-18S GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE

GZ-12M GROUNDWATEH 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS ACROSS STUDY AREA

GZ-12D GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4

GZ-13S GROUNDWATER I TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE



GZ-14S GHOUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE


GZ-MD GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4

TW-17S GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITIONS AT MULTIPLE

GZ-I7M GROUNDWATER t TCL-VOC CLP PROTOCOLS LEVEL 4 DEPTHS ACROSS STUDY AREA


B3 GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITION

B4 GROUNDWATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 DETERMINE GW CONDITION

EQUIPMENT BLANK WATER 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 QA/OC

MS/MSD GROUNDWATER 2 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 OA/OC

REPLICATE GROUNDWATER 1 FULL TCL/TAL CLP PROTOCOLS LEVEL 4 QA/QC

EQUIPMENT BLANK WATER 1 TCL-VOC CLP PROTOCOLS LEVEL 4 QA/OC

MS/MSO GROUNDWATER 2 TCL-VOC CLP PROTOCOLS LEVEL 4 QA/QC

REPLICATE GROUNDWATER t TCL-VOC CLP PROTOCOLS LEVEL 4 QA/OC

ANALYTICAL SOIL G AS SAMPLES

TBD AIR TUBES TBD VOC EPA METHOD T-02 LEVEL 4 ESTIMATE AIR CONCENTRATIONS FOR USE

IN HEALTH RISK ASSESSMENT

TBO-TO BE DETERMINED B - BRIDGING WELL C - COMPOSITE SAMPLE

S - SHALLOW 1 - INTERMEDIATE WELL

M . MEDIUM TR - TOP OF ROCK CLP PROTOCOLS- DOCUMENTS ILM 01. 2 AND OLM 01 9

D - DEEP

NOTE 1: AMMONIA - EPA 350.2 NITRATEJNITRITE - EPA 363 3 T PHOSPHORUS - EPA 365 2

HARDNESS- BVCALC T SULFATE - EPA 375 4 T. ALKALINITY - EPA310.1

COD -EPA 4 to i T SUSPENDED SOLIDS - EPA 160.2

NOTE 2 PH EPA 1W 1 DISS OXYGEN - EPA 366.? TEMPERATURE - EPA 170 1

TURBIDITY EPA 180 1 SPEC COND - EPA 120.1

Statement of Qualification

for

Environmental Analysis

Triangle Laboratories of Houston, Inc. 12823 Park One Drive Sugar Land, Texas 77478 Phone: (713)240-5330 Fax: (713)240-5341

INTRODUCTION

Triangle Laboratories of Houston, Inc. was started in 1989. The objective was to establish a lead laboratory that

would provide high-quality analytical results and data analyses to industry clients in effecting solutions to their problems.

The company's employees consist of scientists and businessmen whose expertise in both business and chemical analysis has assured Triangle Laboratories of Houston, Inc. of its potential growth and success in the environmental industry. In its second year, Triangle Laboratories of Houston, Inc. had a sales growth of over 100%.

Triangle Laboratories of Houston, Inc. was the second laboratory created in the Triangle Laboratories, Inc. network. The Triangle Laboratories, Inc. network currently consists of Triangle Laboratories of Research Triangle Park (North Carolina), Triangle Laboratories of Houston, Inc., Triangle Laboratories of Columbus, Inc. (Ohio), Triangle Laboratories of Atlanta, Inc. (Georgia). Sales offices are also located in La Jolla, California and Altrincham, UK.

QUALITY ASSURANCE POLICY

Triangle Laboratories of Houston, Inc. provides the highest quality analytical data by following strict Quality

Assurance/Quality Control Procedures (QA/QC). The QA Officer reports directly to the President and is responsible for supervising QC functions, controlling Standard Operating Procedures, and development of QA Project Plans. The QC procedures necessary for a particular project are determined before the project begins and are monitored by the Laboratory Manager and Division Managers.

Sample receiving, tracking, and custody, in accordance with accepted EPA procedures, are the responsibility of the Sample Custodian and the Laboratory Manager. Sample preparation and analysis are performed by experienced analysts using standard methods such as these in SW-846, EPA 600 Methods, and EPA Contract Laboratory Protocols. Tuning and

standardization for GC/MS are consistent with the protocol developed for the project. Our program includes blanks, surrogate spikes, matrix spikes and duplicate sample analyses. These QC procedures provide a determination of cross contamination and allow the monitoring of the accuracy and precision of the analyses.

In response to client requests, QA Project Plans can be prepared for specific projects. These plans will be consistent with the project data quality objectives and will be based on EPA QAMS-005/80.

Pagel

April 1992 Triangle Laboratories 0} Houston. Inc.. 12823 Park One Drive. Sugar Land, Texas 77478 Phone:(713)240-5330 FAX: (713)240-5341

CREDENTIALS

PRESIDENT

Dr. Missler received his B.S. degree from Southern Methodist University. He obtained his doctorate in Biophysical Sciences at the University of Houston, where he received distinguished notice for his research in environmental and biological chemistry. As co-author of "Mass Spectrometry of Priority Pollutants,11 he provided modern environmental laboratories with one of the original reference books on analysis of EPA listed pollutants. During his 6 year tenure in military service, Dr. Missler served at the U.S. Army Medical Research Institute of

STEPHEN R. MISSLER, Ph.D.

Infectious Diseases in Frederick, MD and at the U.S. Army Natick R&D Labs in Massachusetts. While there Dr. Missler developed a wide variety of protocols for analysis of tcotic compounds at trace levels. Prior to his employment at Triangle Labs, he coordinated development of ultra-sensitive mass spectrometry techniques for determination of pollutants such as dioxins and sulfonated hydrocarbons for the petroleum industry. Dr. Missler is responsible for all operations at Triangle laboratories of Houston, Inc.

LABORATORY MANAGER

Dr. Walters received his B.S. at the University of Texas at Austin. He is a Phi Beta Kappa member. He obtained his doctorate in Biochemistry from Baylor College of Medicine at Houston. Prior to joining Triangle Laboratories he successfully combined his scientific training and his experience as Infantry Captain in the United States Marine Corps to direct and provide

DAVID W. WALTERS, Ph.D.

consultation for analytical operations in the clinical testing industry. He brings his expertise in that relatively mature field to Triangle Laboratories environmental analysis operations. Dr. Walters is responsible for all aspects of sample management, analysis, and data handling at Triangle Laboratories of Houston, Inc.

Page 2

STATEMENT OF QUALIFICATION CREDENTIALS

SYSTEMS MANAGER

Dr. Freas earned his B.S. degree at Bates College (Lewiston, ME) and his Ph.D. at the University of Delaware. He was a National Academy of Science/National Research Council Research Associate at the Naval Research Laboratory in Washington, DC. His skill in mass spectrometry is evidenced by his authorship on more than 25 peer-reviewed articles, several chapters in books, and numerous national and international conference presentations. He is a co-inventor of the Chemical lonization/High-Pressure Fast-Atom Bombardment

QUALITY ASSURANCE OFFICER

Mr. Wilkerson received his B.S. degree in Biochemistry from the University of California at Davis and his M.S. degree in Biochemistry from Duke University. His published research includes mechanistic studies of mammalian cytochrome P-450 detoxifying enzymes. Prior to joining Triangle Laboratories of Houston, Inc., he

ROYAL B. FREAS, Ph.D.

ionization technique. He is a recipient of the Alan Berman Research Publication Award. His professional experience includes positions'in academic, government, and industrial laboratories. His duties at Triangle Laboratories.utilize his expertise in a variety of mass spectrometer configurations and his familiarity with upto-date data acquisition and computer interface systems. He is responsible for installing and maintaining the laboratory information and automation systems.

JAMES WILKERSON, M.S.

acted as Quality Assurance Officer and Data Review consultant for Triangle Laboratories of RTP, Inc. in North Carolina. Mr. Wilkerson is responsible for defining and implementing all aspects of the Quality Assurance/Quality Control Program at Triangle laboratories.

Page 3

April 1992 Triangle Laboratories of Houston. Inc.. 12823 Park One Drive, Sugar Land. Texas 77478 Phone:(713)240-5330 FAX: (713)240-5341

I/I

m 2 m •Z. TRIANGLE LABORATORIES OF HOUSTON, INC. o Tl Organizational Chart |

r; -n

PRESIDENT 1 O•z. Stephen R. Missler, Ph.D.

SALES AND 1 PRODUCTION LABORATORY 1 QUALITY ADMINISTRATION 1 MARKETING | LABORATORY AUTOMATION | ASSURANC

1 Ray Wolter David W. Walters, Ph.D. Royal B. Freas, Ph.D. James Wllkerson Carol Berkeley

Juanlra Adams

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TECHNICAL I SAMPLE RECEIVING 1 RESEARCH AND 1 MASS I GAS 1 DATA 1 SERVICES | AND PREPARATION | DEVELOPMENT | SPECTROMETRY | CHRO/V 1ATOGRAPHY | PROCESSING |

Rose West Rolando Diaz Maria Vassllladou XlangQIu Liang Patricia Mlddledltch Alex Vlllalobos Curt West Osman Reverol Andrew Collins Ivan Lay

Diana Watson Lucy Zllberman

SUPERVISORY PERSONNEL

RESEARCH AND DEVELOPMENT MANAGER

Ms. Vassiliadou received her B.S. and M.S. degrees in Chemistry from the University of Houston. As a post-graduate student, Maria performed research on high resolution capillary zone electrophoresis mass spectrometry for the determination of surfactants in waste waters. She has had experience using gas chromatography, high resolution mass spectrometry and tandem

MARIA VASSILIADOU, M.S.

mass spectrometry to identify and quantitative trace compounds in complex matrices, including dioxins, volatile and semi-volatile organic compounds. Ms. Vassiliadou is responsible for establishing method correct production procedures for newly implemented analyses at Triangle Laboratories.

SAMPLE CUSTODIAN

Mr. West coordinates the receipt and handling of samples within the laboratory. Curt received his B.S. in chemistry from the College of Saint Rose in Albany, New York and proceeded to post-graduate studies at

CURT WEST

Texas A&M University. He has two year's experience at Triangle Labs in the Preparation Lab and Data Processing Divisions, and has trained in CLP chain of custody and sample receiving procedures.

EXTRACTION LABORATORY SUPERVISOR

Mr. Diaz holds a B.A. in microbiology from the University of Texas, Austin, Texas and supervises the extraction/clean up lab. Mr. Diaz has been trained in EPA SW-846 and CLP methods for preparation of samples,

ROLANDO DIAZ

and is experienced in proper laboratory practices. He has extensive experience in sample preparation and validation of analytical standards, and quality control procedures.

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April 1992 Triangle Laboratories of Houston, Inc., 12823 Park One Drive, Sugar Land, Texas 77478 Phone:(713)240-3330 FAX: (713)240-5341

MAS5 5PECTROMETRY LABORATORY SUPERVISOR

Mr. Liang has a B.S. from South China Normal University and a M.S. the from University of Houston in Chemistry. His previous experience includes work in tandem mass spectrometry and high-resolution mass spectrometry to identify and quantitative trace compounds in complex

GAS CHROMATOGRAPHY

Dr. Middleditch received her M.S from the University of Glasgow, Scotland and her Ph.D. from Eurotechnical Research University where she graduated with aca-

DATA VALIDATION

Mr. Villalobos received his B.S. degree in Pharmacy from the University of Panama. His experience includes production processes in the clinical laboratory field. He joined Triangle Laboratories in 1990, moving to the Data Validation Department that same year. As supervisor, he is

XIANGQIU LIANG, M.S.

matrices. He has established routine preventive maintenance procedures and worked with the Quality Assurance Officer to established programs that minimize instrument down time and improve sample turn-around-time. Mr. Liang supervises the Mass Spectrometry Analysis Laboratory.

PATRICIA MIDDLEDITCH, Ph.D.

demic distinction. Dr. Middleditch is responsible for Pesticide and PCB Analysis at Triangle Laboratories of Houston.

ALEX VILLALOBOS

responsible for generation and review of analysis reports, and data compilation in deliverable format as required. Mr. Villalobos is also responsible for handling and disposal of hazardous samples and byproducts of analysis.

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STATEMENT OF QUALIFICATION SUPERVISORY PERSONNEL

TECHNICAL SERVICES REPRESENTATIVE

Ms. West received her B.S. in Chemistry from Wells College and proceeded to postgraduate study at Texas A&M University. She is fully trained in sample handling, chain-of-custody, deliverables requirements,

ROSE WEST

and other aspects of the analytical Methods offered by Triangle Laboratories. She aids the Sales and Marketing staff by providing technical expertise in response to client inquiries.

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April 1992 Triangle Laboratories of Houston, Inc., 12823 Park One Drive, Sugar land, Texas 77478 Phone:(713)240-5330 FAX: (713) 240-5341

LABORATORY FACILITIES.

GENERAL FACILITIES

MASS SPECTROMETRY

GAS CHROMATOGRAPHY

Triangle Labs are housed in 6500 square feet of space in a stand-alone building. This space includes offices, wet laboratory space and instrument rooms. The laboratories are well-equipped with glassware and ancillary equipment for sample preparation.

Triangle Labs owns two high-resolution mass spectrometers fitted with gas chromatographs: a VG Analytical Model TOE and a VG Analytical Model 70H. Instrument control, data acquisition and processing is by means of VG-Analytical 11250 data systems. This combination permits mass measurements under capillary column GC/MS conditions with a precision of 10 parts-per million (ppm) or selected ion recording at high resolution with drift in mass limited to ±5 ppm. Sub-nanogram analytical sensitivities are routinely available by high-resolution selected-ion recording.

Our gas chromatography lab is equipped with two Hewlett-Packard chromatographs with electron capture detectors and robotic auto samplers. Additional detectors can be fitted, if required. The gas chromatographs are interfaced to an Automated Data System.

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STATEMENT OF QUALIFICATION LABORATORY FACILITIES.

PROJECT EXPERIENCE

PCDD/PCDF EXPERIENCE

• Soil

• Sediment

• Sludge

• Water

. Oil

• Fish

Our clients include the US Environmental Protection Agency, USPHS Centers of Disease Control, NIOSH, various State Agencies, engineering companies, legal firms, industrial companies, other laboratories and individuals.

Members of our staff have been actively involved in the development and application of methods for the measurement of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD and

Triangle Labs has extensive experience in analyzing all types of samples for PCDD/PCDF contamination. Specific matrices include:

• Liver

• Human Adipose

• Air Samples

• Stack Emission Samples

• Commodity Products

• Pulp and Paper Effluent

PCDF, respectively) for 11 years. In addition to the application of existing methods to specific problems, our group was the first to use negative chemical ionization for the gas chromatography/mass spectrometry analysis for PCDD in environmental samples. We also pioneered the use of tandem mass spectrometry (more popularly known as MS/MS) to the determination of TCDD in environmental matrices.

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April 1992 Triangle Laboratories of Houston, Inc., 12823 Park One Drive, Sugar Land. Texas 77478 Phone:(713)240-5330 FAX: (713)240-5341

An extensive Occupational Health Program OCCUPATIONAL HEALTH has been instituted within the company to

PROGRAM insure the health and safety of its employees. Using guidelines for Duke University Medical Center, the program's components include:

• A Preplacement Examination to insure the employees are not exposed to chemicals or procedures that, because of their health, could cause a harmful reaction.

• Annual Examinations that benefit all employees by providing them with periodic assessment of their general health.

• An industrial Hygiene Survey to look for way to improve our ventilation systems, employee work practices, or chemical handling procedures.

In addition, Triangle Labs employees are which our facilities or procedures can be represented on an Employee Safety Council, made more safe, which meets regularly to discuss ways in

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STATEMENT OF QUALIFICATION PROJECT EXPERIENCE

TECHNICAL SUPPORT

CONSULTANT

Trained in mass spectrometry as an Analytical Chemist (Ph.D. in Analytical Chemistry, University of North Carolina, B.A. in Chemistry, Appalachian State University), Dr. Hass has more than 12 years practical experience in the analysis of

CONSULTANT

Dr. Tondeur, Senior Technical Consultant, was educated at the free University of Brussels, Belgium, where he graduated with academic distinction. Before joining Triangle Labs, he served as High Resolution

CONSULTANT

Mr. Harvan was educated at Michigan State University (B.S. in Chemistry) and Duke University (M.S. in Chemistry). Don Harvan's background includes extensive applications of mass spectrometry. Before joining Triangle Laboratories in 1985, Mr. Harvan was a chemist with the National Institute of Environmental Health Sciences.

J. RONALD HASS, Ph.D.

complex environmental samples, including 10 years as Mass Spectrometry Group Leader at the National Institute of Environmental Health Sciences. Dr. Hass is Chairman of the Board of Triangle Labs.

YVES TONDEUR, Ph.D.

Mass Spectrometrist at The Quality Assurance Lab, UNLV, where his duties included development of protocols for PCDD/PCDF analyses.

DONALD J. HARVAN

Mr. Harvan has co-authored over 50 articles on mass spectrometry and as the Senior Technical Consultant, has successfully developed new methods of high resolution GC/MS for the analysis of environmental samples. Mr. Harvan is co-owner of Triangle Labs.

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April 1992 Triangle Laboratories of Houston, Inc.. 12823 Park One Drive, Sugar Land, Texas 77478 Phone:(713)240-5330 FAX: (713)240-5341

CONSULTANT

Dr. Middleditch, educated at the University of London (B.Sc.), the University of Essex (M.Sc.), and the University of Glasgow (Ph.D.) has a quarter of a century of research experience in quantitative analysis by gas chromatography, mass spectroscopy, and derivative techniques. He has reported his results in more than 150 published articles, books, and technical reports,

BRIAN S. MIDDLEDITCH, Ph.D.

including the book "Mass Spectrometry of Priority Pollutants", which he co-authored with Triangle Laboratories President S. R. Missler and H. B. Hines. His regular consultations have allowed Triangle Laboratories to establish new product methodologies from a perspective of great experience.

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STATEMENT OF QUALIFICATION TECHNICAL SUPPORT

.SELECTED RESEARCH PAPERS:

S.R. Missler, Picogram Determination of Trichothecene Mycotoxins by HPLC-MS.

S.R. Missler, Rapid Determination of Trichothecene Mycotoxins by Multiple Reaction Monitoring.

T. Krishnamurthy and S.R. Missler, Structural Determination of a Toxic peptide from the Blue Green Algae Microcystil aeruginosa by MS-MS.

R.B. Freas, J.E. Campana, and S.R. Missler, Ion/Molecule Reactions of Metal Clusters.

W. Yu, X. Liang, R.B. Freas, Unimolecular Dissociation Kinetics and Collision-Induced Dissociation of (Mn2(CO) 10]

+: Determination of Individual Bond Dissociation Energies.

X. Liang, R.B. Freas, Fast-Atom Bombardment Tandem Mass Spectrometry of Polypyridyl Ruthenium (II) Complexes.

X. Liang, R.B. Freas, Collision-Induced Reaction of Coordinatively Unsaturated Manganese and Dimanganese Carbonyl Cluster Fragment Ions in the Gas Phase.

SELECTED PRESENTATIONS:

M. Vassiliadou, Determination of alkyl benzene sulfonates by Capillary Zone Electrophoreses Mass Spectrometry. Poster presentation at ASMS, Miami, FL., May 1989

M. Vassiliadou, Differentiation of Olefins and Napthenes using ion-molecule reaction in the collision cell of hybrid M.S. Poster presentation at ASMS, Miami, FL., May 1989.

M. Vassiliadou, CSE-MS of oil-related compounds; presented at the Analytical Conference, Texaco EPTD, Bellaire, TX., April 1989.

April 1992 Triangle Laboratories of Houston, Inc.. 12823 Park One Drive, Sugar Land, Texas 77478 Phone: (713) 240-5330 FAX: (713) 240-5341

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LI5T OF CERTIFICATIONS AND ACCREDITATIONS - RTF

Department of the Army, Missouri River Division, Corps of Engineers. Project specific. Validated for VOCs in water, BNA's in sediment and PCB's.

New York State Department of Health. Valid until April 1, 1992. ID# 11206. Approved for Environmental Analyses/Air and Emissions, Environmental Analyses/Non potable Water, Environmental Analyses/Solid and Hazardous Waste.

State of California, Department of Health Services. Valid until November 30, 1991. ID # 362. Certified for Organochlorine Pesticides, Polychlorinated Biphenyls, Chlorinated Herbicides, GC/MS Method for Volatile Organics, GC/MS Method for Semivolatile Organics.

American Association for Laboratory Accreditation. Valid until July 31, 1993. Certificate Number 0226-01. Accreditation for technical competence in Environmental Testing.

South Carolina, Department of Health and Environmental Control. ID # 99040. Updated on a yearly basis by the submission of performance evaluation study data.

State of Washington, Department of Ecology. Valid through September 11, 1992. Lab Accreditation Number C067. Scope of Accreditation applies to water analyses for Polychlorinated Dibenzo-p-dioxins and Polychlorinated Dibenzofurans, Purgeable Organics, Base/Neutral and Acid Organics.

State of Wisconsin, Department of Natural Resources. Valid until June 30, 1992. Laboratory ID Number 999869530. Certification includes acid extracted Organics.

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STATEMENT OF QUALIFICATION LIST OF CERTIFICATIONS AND ACCREDITATIONS - RTF

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