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I I I I I I I I I I I I I I I I I I I ENVIRONMENTAL RESPONSH True Geothermal Energy Company Drill Site of Geothermal Well KA-l Puna, Hawaii BES Job #4419 December 14, 1995 Latit ude: 19°26' 30" N Longi tu de: 155 °00' W Prepare d By: Bre wer Environmental Serv ice s of Brewer Env ironmenta l In dustries -. ."I I [[ ,I !.. ., 4 .. J ._ I - .:':: j ,I " . :- NT

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Page 1: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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ENVIRONMENTAL RESPONSH

True Geothermal Energy CompanyDrill Site of Geothermal Well KA-l

Puna, Hawaii

BES Job #4419December 14, 1995

Lati tude: 19°26' 30" NLongitu de: 155°00' W

Prepared By:

Brewer Env iron m en tal Servicesof

Brewer Environmental Ind ustri es

-. . " I ~ I ~: [[,I !... , 4 .. J ~ . _ I - .:':: j ,I " . :- NT

Page 2: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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A Report Prepared For:Pri vileged and Co nfide n tial

Ms. Renee TaylorEnviro nmenta l CoordinatorTrue Geothermal Energy Compan yP.O . Drawer 2360Casper, Wyoming 82602

ENVIRONMENTAL RESPONSE REPORT

TRUE GEOTHERMAL ENERGY COMPANYDRILL SITE OF GEOTHERMAL WELL KA-1PUNA, H AWAII

BES Job No. 4419by

~D25DaViSKYOgiVice President

Brewer Environmental Serv ices401 Waiaka milo RoadHonolulu, H aw aii 96817(808) 832-7900

December 14, 1995

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Page 3: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

APPENDIX BPhotographs

APPEN DIX CHeadSpace Standard Operating Procedure

APPEN DIX AFigure 1 - H eadspace Locati onsFigure 2 - SMU 3

[DKY]-4419 Brewer Environmen tal Services

I II

TABLE OF CONTENTS

Privileged an d Confi den t iaI

· . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

· i i· . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. III

BACKGROUND 3

FINDINGS 5

SAMPLING 4

CONCLUSIONSAND RECOMMENDATIONS 8

EXECUTIVE SUMMARY 1

ENVIRONMENTAL RESPONSE

SCOPE OF WORK 3

3.0

5.0

2.0

6.0

4.0

1.0

PART II

APPENDIX DLaboratory Reports

Tru e Geo therma lBES Job No. 4419

Title PageSign ature PageTable of Contents

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Page 4: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

1.0 EXECUTIVE SUMMARY

Pri v ileged and Confident ial

Tr ue Geo therma lBES Job No. 4419

Betw een March IS, 1995 and June 29, 1995 , True person ne l overexcava te dapproximate ly 15 cubic yards of con tami nated so il from the impacted area. Truepersonnel informed BES that 4/1 to 12/1 x 28' x 28' of vo lcan ic material w as removedw ith a backhoe. True sta ted that the backhoe could not excavate further because thebackhoe encountered basaltic rock at a depth of 4" to 12" . The conta mina ted soil w asremoved and placed in a soil management unit (SMU) on property.

Brewer Env iro nme nta l Services

1

[DKY]-4419

Brewer Envi ronmental Services (BES) w as retained by True Geothermal EnergyCo mpany (hereinafter "True") to document the response action of a rele ase of anunknown quantity of di esel fuel in to the enviro nmen t. The release occurred overtime as a result of overfill practices or leaking equipment aroun d the formerlocation of the 13,000 gallon diesel above ground storage tank (AST.) For thispurpose, BES comp le ted the following tasks: in spected an d photographed thecond itions of th e impacted area , screene d so il samp les for laboratory analysis, andp repared a report d etailing all ob servations, procedures, lab oratory results,conclusions and recommendati ons.

On June 29, 1995, BES visited the sit e and encountered basaltic rock at a depth of lessth an one foot at all samp le locations. Therefore, the soil samples were secured froma depth of less tha n one foot below ground surface (bgs) . BES secured soil samp lesfor headspace readings using a photoionizati on device (PID) p rior to subm itting thesa m p les for laboratory ana lysis . BES se lecte d soil samp les nea r th e March I , 1995sa mp le locations in order that BES could measure and document the effectivenessof the removal activi ties . The PID rea d ings ranged from 4.3 ppm to 48.1 ppm. BESalso secu re d ad d itiona l so il sa mp les for headspace readings fro m areas aro und theAST that were und isturb ed by overexcavation ac tivities. BES performed theadd itiona l sa mp ling and headspace readings to verify that th e impacted area hadbeen delineated . PID read ings of these head space soil samp les for organic va pors

On Ma rch I, 1995, BES cond ucted a site reconnaissance and sampled 7 locations nearand aroun d th e for mer 13,000 ga llon di esel AST. The sa mples were submitted forlaboratory analys is by EPA method 8015M for total pet roleum hydrocarbon as diesel(TPH-D). The laboratory reported the TPH-D results for these sa mp les from a low of300 ppm to a high of 20,000 ppm. The Sta te of H aw aii Dep artment of Health (DOH)action level is 50 ppm for TPH-D.

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Page 5: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

Pri v ileged and Confiden tia l

Tru e Geo the rma lBESJob 0. 4419

were 2.5 ppm to 26.2 or below the DOH ac tion level of 50 ppm for total petroleumhyd rocarbons.

BES also se cured a so il sa mple fro m the SMU to determine whe the r th e soil hadbeen remediated below the DOH clean up gui de lines for BTEX and PAHs.

Brewer Environme n tal Services

2

[DKY]-4419

After BES scree ne d the so il samples w ith the PID for headspace readi ngs less than 50ppm from locati on s insid e the overexcava tion and aro un d the for mer AST, BESsec u red four so il samp les proximal to the head space sa mp le loca tions . These foursa m p les were subm itted to th e lab oratory for confirmatory Benzene, Tolu ene,Ethylbenze ne, an d Xylene (BTEX, EPA method 8020) and Polynuclear AromaticHydroc arbons (PAHs, EPA method 8270) ana lyses.

The laboratory did not detec t concentrations above the DOH guidelines . BESrecommends tha t no further action is necessary to close this release and that a copyof this report be submitte d to the DOH.

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Page 6: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

3.0 BACKGROUND

2.0 SCOPE OF WORK

Privileged and Confidential

• Collected one sa mp le from th e SMU.

Brew er Environmental Serv ices

3

[DKY]-4419

• Inspected and photographed th e condit ions of th e overex cavation and th eprogress of th e con taminated so il in th e SMU.

• Laboratory analysis of each of the soi l samples co lle cted fro m the areasformerly occup ied by the 13,000 gallo n abovegro und d iesel fuel tank and theSMU for BTEX by method 8020 and PAHs by method 8270.

• Screened soil samples aro und the AST and in th e SMU for laboratory analysisusing a photoionization in strument.

• Co llected so il sa mp les fro m the area formerly occup ied by th e 13,000 gallonaboveground diesel fuel tank.

True Geothe rma lBES Job No . 4419

The scope of work to accomplish the objectives consisted of th e following tasks:

Afte r True received th e laboratory report, True personnel overexcava ted the area.The con tam ina ted soil was removed to an on-site SMU. The SMU is 27' by IS ' by I 'deep and con ta ins ap proximate ly 15 cubic yards of p etroleum contamin ated so il.The SMU h as been lined w ith 50 mils (50 x 10-3 inches thick) plastic and bermed onall fou r sides (Appendix B - Photograph 4). A plastic cover was in place to minimizefugitive dust an d rain water contamination.

During the March 1995 BES site assessmen t, the area aroun d the former 13,000gallo n above ground diesel sto rage tank (AST) was found to have TPH levels abovethe DOH guidelines. The 13,000 gallon AST was used to supply fuel to th e drillin grig used for geothermal w ell development. The so il aro und th e AST w as sam p ledan d sen t to the lab orat ory for TPH-D analysis using EPA Method 8015M . Thelab oratory reported th at th e so il sa m ples had TPH-D concen trations ranging from300 to 20,000 ppm, which excee ds the DOH action level of 50 ppm.

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Page 7: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

4.0 SAMPLING

Pri v ileged and Co nfiden t ial

4.1 Field Analysis

4.2 Sampling Plan

Brewer Environme ntal Services

4

[DKY]-4419

A soil sam p le w as obtained from the soil management unit to confirm the

True GeothermalBES Job No. 4419

The PID was used to measure volatile organic compounds in the vapor headspace ofsoil samples. The standard operating procedure for this an alysis is presented inAppend ix C. The soil samples for headspace were collected using a stainless steelshovel and sealed in a Ziplock" bag. The BES technician used latex gloves tocoll ect the sample. The latex gloves were changed after each grab sample to avoidcro ss contamination. The stainless steel shovel was washed between samples withLiquinox" soap and distilled w ater. After each Pill reading, the technician waiteduntil a zero reading on th e PID was achieved prior to performing another headspaceanalysis .

A PhotoVac PID equipped with a 10.2 eV lamp was used to measure organic vapors.The instrument was calibrated prior to field activities using 100 isobu ty lene spangas.

In March 1995, BES secu re d soil samples for laboratory analysis to determine if thesto ra ge an d use practices of the diesel fuel ASTs had impacted the environment.For the sampling event of June 29, 1995, BES obtained soil samples for the initialheadspace readings and later secured soil sa mp les for BTEX and PAH analysis nearor at the sam e sample location as the March 1995 sampling even t. BES establishedthis sampling plan and started documenting the response activity performed byTrue p ersonnel.

Seven headspace sa mp les (1 - 7) were collected (Appendix A-Figure 1A; Photographs1 and 2; and Table 1.) In addition, th e BES technician stepped out five to six feetfrom sides of the former AST to delineate the areas that may have been impacted byth e rel ease and to verify that migration of the diesel rel ease had not occurred . BESse lected five loc ations that were undisturbed by the previous overexcavationactiv ities and coll ected so il sa mp les (8 - 12) for headspace readings (Figure 1B andTable 2.)

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Page 8: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

5.0 FINDINGS

effectiveness of th e soil remediation.

Privileged and Confidential

5.1 Field Analytical Results

Brewer Env ironmen tal Services

5

Table 1

[DKY]-441 9

Headspace Readi ngs N ear Previ ous Sampl e Locations Analy zed for TPH-D ~ 0 '\

Corresponding TPH-DJune 29, 1995 Reading SamhleID Result (ppm)

SampleID Depth Time wn Marc 1995 March 1995

1 I 4" I 11:50a I 6.4 I TS7 I 440

2 I 3" I 11:55a I 6.4 I TS5 I 590

3 I 4" I 11:58a I 16.9 I TS4 I 2100

4 I 3" I 12:00p I 14.2 I TS8 I 2200

5 I 4" I 12:05p I 48.1 I TS9 I 300I

6 I 5" I 12:07p I 14.6 I TS6 I 1400

7 I 5" I 12:08p I 4.3 I TSI-6 & 1 I 20000/1700

True Geotherma lBES Job No. 4419

4.3 Laboratory Analysis

Confirmation soil samples were secured within a foot of the se lected headspacesample location (Figure lC, Photograph 3) and for the middle of the SMU (Figure 2.)The soil sample containers were properly labeled and identified wi th project name,location, date and time of sampling, sampler's name, and analyses . The sampleswere stored in a cooler with Blue Ice" and delivered to Brewer EnvironmentalLaboratories (BEL) along with the proper chain of custody document. The soilsamples were submitted for chemical analysis for BTEX and PAHs. All sampleswere extracted and analyzed within the recommended maximum allowable holdingtimes to insure quality. The chain-of-custody with the laboratory report for the soilsamples are presented in Appendix D.

The concentration of vo latile organic compounds (VOCs) in the vapor headspace ofthe soil samples ranged from 4.3 ppm to 48.1 ppm. The headspace measurementsare presented in Table 1.

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Page 9: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

5.2 LAB ORATORY ANALYTICAL RESULTS

Pri vileged and Confidentia l

Tru e Geo the rmalBES Job No . 4419

Table 2Headspace Readings

Samples of Undisturbed Areas Around the 13,000 gallon AST

Brewer Env ironmen tal Ser vices

6

June 29,1995 ReadingSampleID Depth Time tpn

NS1 I 3" I 12:45p I 26.2

NS2 I 4" I 12:50p I 3.9

NS3 I 4" I 12:55p I 2.9

N S4 I 4" I 12:57p I 2.5

NS5 I 4" I 1:00p I 10.7

[DKY]-4419

The lab oratory analy tical results are presen ted in Table 3 and Table 4. DOH cleanupgoals are b ased on the location of the re lease wi th respect to the undergroundinjection control (UIC) line . Above the UIC line, mountainward, w here there arepotential drinking water sources, DOH mandates a more stringent cleanup criteriathan sites below the UIC line. The lab results were non-detect or below reportinglimits (BRL) for the cleanup levels of BTEX and PAHs.

The concentration of VOCs in the vapor headspace of the soil samples outside theexcavated area ranged from 2.5 ppm to 26.2 ppm. The headspace measurements arepresented below in Table 2.

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Page 10: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

Privileged and Confiden tial

BRL- Below Reportmg Limits

Tru e Geo the rmalBES Job No. 4419

Table 3Results of Laboratory Chemical Analyses for the Soil Samples (MG/KG)

BTEX - EPA Method 8020

I

Brew er Env iro nmen tal Services

7

BRL- Below Rep orting Limits

Table 4Results of Laboratory Chemical Analyses for the Soil Samples (MG/KG)

PAHs - EPA Method 8270

Sa m p le No. I Benzopyren e I Ac ena p h th ene I Fluoran then e I Na p h th a le ne

4419.1 I BRL I BRL I BRL I BRL

4419.2 I BRL I BRL I BRL I BRL

4419.3 I BRL I BRL I BRL I BRL

4419 .4 I BRL I BRL I BRL I BRL

4419.SMU3 I BRL I BRL I BRL I BRL

DET LIMITS 1 0.5 1 0.50 1 0.5 1 0.50

DOH Cleanup Goa ls 11.0 1100.0 1

500.0 1100.0

Samp le No . I Benzene I Toluene I Ethylb enzene I Xylene

4419.1 I BRL I BRL I BRL I BRL

4419.2 I .006 I .01 I BRL I .012

4419.3 I BRL I .002 I BRL I .003

4419.4 I BRL I .003 I BRL I BRL

4419.SMU3 I BRL I .158 I BRL I .108

DET LIMITS I 0.002 I 0.002 I 0.002 I 0.002

DOH Cleanup Goa ls I 0.05 I 10.0 I 7.0 I None

[DKY]-4419

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Page 11: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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6.0 CONCLUSIONS AND RECOMMENDATIONS

Pri vileged and Confidential

True GeothermalBES Job No. 4419

During release response ac tiv ities, True personnel overexcavated 4" to 12" inches offuel con ta m ina ted soil before encoun te ring basaltic rock. Con tam ina tion appearedlimited to the so il which w as removed and pl aced in a SMU. Headspace analysisbeyond the excavation and in other areas of undisturbed soil were below the DOHac tion level of 50 ppm TPH. Basaltic rock seemed to limit th e contamination to asm all area. The con ta m in ated soil in the SMU has been su ccessfu lly remediatedw ith laboratory analysis reporting results below the DOH clean up goals .

Brew er Environme ntal Serv ices

8

[DKY]-4419

BES recommends that no fu rther action is required.

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Page 12: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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APPENDIX AFIGURES

Page 13: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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--BR EWER ENVIRONMENTAL SERVICES

JOB NO. 4419TRUE GEOTHERMAL ENERGY COMPANY

PUNA, HAWAII

PREVIOUS LOCATIONS OF BUILDINGSFIGURE

Page 14: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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BR EWER ENVIRONMENTAL SERVICESJOB NO. 4419

TRUE GEOTHERMAL ENERGY COMPANYPUNA,HAWAII

PREVIOUS LOCATIONS OF BUILDINGSFIGURE

Page 15: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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BR EWER ENVIRONMENTAL SERVICESJOB NO, 4419

TRUE GEOTHERMAL ENERGY COMPANYPUNA, HAWAII

PREVIOUS LOCATIONS OF BUILDINGSFIGURE

Page 16: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

I

LEGEND :

UlUlWoo«

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A\ A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A\ A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

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"" "" "" A ""'''''' "'" J '" "" "'" A"""" "" ,.A ""''''' AA''''' ''''' A ""' A " """",.

~~~~~~~~~~~~~~~' SOIL MANAGEMENT .~~~~~~~~~~~~~~

~~~~~~~~~ ~ ~~~~~' UNIT .~~~~ ~~~~~~~~~ ~

=:=:=:=:=:=:=:=: Ji WELL CENTER :=:=:=:=:=:=:=:A ,.,.A "" ,. """" D [!] A "" "" AA"" '"A "" "" "' ''' A A""'''''' "" "" "" ". '" A

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· ~ ~

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I· ~ ~· ~ ~

~ ~

"" "" " " "", ". "" . ". " "" "" ". "" ". "" ". "" A A " "" " " ". " " ". "'" A A "." "" "" "" "" "" "" "" •

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SITE MAPNOT TO SCALE

FIGURE 2

III

BREWER ENVIRONMENTAL SERVICES

JOB NO. 4419

FOREST

TRUE GEOTHERMALENERG Y COMPANY

PUNA,HAWAII

"'" "" " "" .. "" "" " ""A"" " " .. " "" "" " ~N

III

Page 17: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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APPENDIX BPHOTOGRAPHS

Page 18: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

,----- - ~ -

II:1I

IIIIIIIIIIIIIIIII

Photograph 1Northwest to Southeas t Vi ew of the Overexcavation

and Sample Headspace Locations Near 13,000 gall on AST

Ph otograp h 2Sou th eas t to Northw est View of Overexcava ti on

and Sample Headspace Locations

Page 19: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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

IIIIIIIIIIIIIIIIIII

Photograph 3

View of Sample 1'S-3, Former Location of SOO-Gall on Diesel AS1'

Photograph 4

View of Sample 1'S1-6, Former lo cation of 13,OOO-Gallon Diesel AS1'

Page 20: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

III

i II

IIIIIIIIII

II

IIII

APPENDIX CBES HEADSPACE STANDARD OPERATING PROCEDURE

Page 21: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

II

II

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I I '

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H EADSPACE ANALYSIS PROCEDURE

Presented below is the basic methodology for field screening of soil samplevapor. The screening is performed using an HNU Model DL 101 and/or Photo-VacModel 15-3000 microtip portable photoionization Detector (PID) or Foxboro OVAFlame Ionization Detector (FID). These detectors are non-discriminatory andmeasure the total concentration of airborne ionizable gases and vapors. They areused for relative quantification of organic compound presence. With this capability,the detectors serve as useful tools in the screening of soil samples in the field. Thebasic method for field screening of a soil sample with the detector is as follows:

1) The soil sample is removed from the ground, or sample tube, or tip ofthe sampler and approximately one cubic inch is placed in a sealablepolyethylene bag with a capacity of approximately 500 milliliters.

2) The sample is crushed through the walls of the bag to provide greatersurface area for vapor offgassing.

3) Offgassing of the sample is allowed for approximately five minutes atambient air temperature.

4) The bag is then pierced with the probe of the analyzer and the vaporsare drawn out of the bag using the analyzer pump.

5) Readings are noted from the initial insertion to when the bag iscollapsed. The sustained value for the reading is recorded unless thereis moisture interference. In this case, the initial high reading isrecorded before moisture interferences causes the reading to diminish.

6) If soil or excessive moisture is drawn into the instrument, the sampleprobe is thoroughly cleaned and air is passed through the system untilthe zero or background leve l is attained.

7) Readings are tabulated with the sample number and depth of thesample noted on the field log which is maintained by the on-sitegeologist.

Page 22: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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APPENDIX DLABORATORY REPORTS

Page 23: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

Analyses performed at a BEL affiliate facility.

CLIENT: BREWER ENVIRONMENTAL SERVICES ATTN: DAVIS YOGI401 WAIAKAMILO RD. SUITE 101HONOLULU, HI 96817 JOB NUMBER: E5070307

DATE: JULY 19, 1995PROJECT NAME: TRUE GEOTHERMAL

JOB# 4419 Matrix: SOIL

Date/Time sampled: 06/29/95 @ 14:00 Client 10#: 4419.1Date/Time Received: 07/03/95 @ 14:40 Lab Sample ID#: Sl

RESULT REPORTING ANALYSIS METHODANALYSIS LIMIT UNIT DATE NUMBER

BENZENE BRL 0.002 mg/Kg 07/10/95 8020ETHYLBENZENE BRL 0.002 mg/Kg 07/10/95 8020TOLUENE BRL 0.002 mg/Kg 07/10/95 8020XYLENES(TOTAL BRL 0.002 mg/Kg 07/10/95 8020

PAHsACENAPHTHENE BRL 0.50 mg/Kg 07/14/95 8270ACENAPHTHYLENE BRL 0.50 mg/Kg 07/14/95 8270ANTHRACENE BRL 0.50 mg/Kg 07/14/95 8270BENZO(a)ANTHRACENE BRL 0.50 mg/Kg 07/14/95 8270BENZO(a)PYRENE BRL 0.50 mg/Kg 07/14/95 8270BENZO(b)FLUORANTHENE BRL 0.50 mg/Kg 07/14/95 8270BENZO(ghi)PERYLENE BRL 0.50 mg/Kg 07 /14/95 8270BENZO(k)FLUORANTHENE BRL 0.50 mg/Kg 07/14/95 8270CHRYSENE BRL 0.50 mg/Kg 07/14/95 8270DIBENZO(a,h)ANTHRACENE BRL 0.50 mg/Kg 07/14/95 8270FLUORANTHENE BRL 0.50 mg/Kg 07/14/95 8270FLUORENE BRL 0.50 mg/Kg 07/14/95 8270INDENO(1,2,3-cd)PYRENE BRL 0.50 mg/Kg 07/14/95 8270NAPHTHALENE BRL 0.50 mg/Kg 07/14/95 8270PHENANTHRENE BRL 0.50 mg/Kg 07/14/95 8270PYRENE BRL 0.50 mg/Kg 07/14/95 8270

IIIIIIIIIIIIIIIIIII

BRE\NERENVIRONMENTALINDUSTRIES. INC.

ill C B R E W E R c o rn p n n .,.

BRL= Below Reporting Limit

PAGE 1 OF 5

BREWER ENVIRONMENTAL LABORATORIES3 11 PACIFIC STREETHONOLU LU, HI 968 17PHONE (808)532 -7 497FAX (808) 532-7 498

LABORATORY ANALYSIS REPORTEnvironmental Laboratories Division

I

. / i 1 /Approved by: -Vecr ,/ ,.-L 11><;p A t­

(/

Page 24: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

PAGE 2 OF 5

Approved by '. ,1 ~ - ( .L }/7.J" ."", n "'BREWER ENVIRONMENTAL LABORATORIES V ~ . _z; _ ~,~~311 PACIFIC STRE ETHONOLULU, HI 96817PHONE (808j 532· 7497FAX(808l 532-7498

Analyses performed at a BEL affiliate facility.

LABORATORY ANALYSIS REPORTEnvironmental Laboratories Division

8020802080208020

8270827082708270827082708270827082708270827082708270827082708270

ANALYSIS METHODDATE NUMBER

07/10/9507/10/9507/10/9507/10/95

07/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/95

mg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kg

UNIT

mg/Kgmg/Kgmg/Kgmg/Kg

ATTN: DAVIS YOGI

Matrix: SOIL

DATE: JULY 19, 1995

JOB NUMBER: E5070307

Client ID#: 4419.2Lab Sample ID#: S2

0.0020.0020.0020.002

0.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.50

REPORTINGLIMIT

0.006BRL0.0100.012

BRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRL

RESULT

a C B RE W ER com p a n y

BRE\NERENVIRONMENTALINDUSTRIES, INC.

CLIENT: BREWER ENVIRONMENTAL SERVICES401 WAIAKAMILO RD. SUITE 101HONOLULU, HI 96817

PROJECT NAME: TRUE GEOTHERMALJOB# 4419

Date/Time Sampled: 06/29/95 @ 14:15Date/Time Received: 07/03/95 @ 14:40

ANALYSIS

BENZENEETHYLBENZENETOLUENEXYLENES(TOTAL

BRL= Below Reporting Limit

PARsACENAPHTHENEACENAPHTHYLENEANTHRACENEBENZO (a) ANTHRACENEBENZO(a)PYRENEBENZO(b)FLUORANTHENEBENZO(ghi)PERYLENEBENZO(k)FLUORANTHENECHRYSENEDIBENZO(a,h)ANTHRACENEFLUORANTHENEFLUORENEINDENO(l,2,3-cd)PYRENENAPHTHALENEPHENANTHRENEPYRENE

IIIIIIIIIIIIII

IIII

III

Page 25: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

Analyses performed at a BEL affiliate facility.

8020802080208020

8270827082708270827082708270827082708270827082708270827082708270

ANALYSIS METHODDATE NUMBER

07/10/9507/10/9507/10/9507/10/95

07/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/95

mg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kg

UNIT

mg/Kgmg/Kgmg/Kgmg/Kg

ATTN: DAVIS YOGI

DATE: JULY 19, 1995

Matrix: SOIL

Client ID#: 4419.3Lab Sample ID#: S3

JOB NUMBER: E5070307

LABORATORY ANALYSIS REPORTEnvironmental Laboratories Division

Approved by :_~~.L...::::::""-...:....L"'=::::::''::I-'~::---

0.0020.0020.0020.002

0.500.500.500 .500.500.500.500.500.500.500.500.500.500.500.500 .50

REPORTINGLIMIT

BRLBRL0.0020 .003

BRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRL

RESULT

a C B R EWE R C O fTl p n n y

BRE\NERENVIRONMENTALINDUSTRIES, INC.

BREWER ENVIRONMENTAL LABORATORIES3 11 PACIFIC STREETHONOLULU, HI 968 17PHONE (8081532-7 497FAX (80815 32-7 498

CLIENT: BREWER ENVIRONMENTAL SERVICES401 WAIAKAMILO RD . SUITE 101HONOLULU, HI 96817

PAGE 3 OF 5

Date/Time Sampled: 06/29/95 @ 14:05Date/Time Received: 07/03/95 @ 14:40

PROJECT NAME : TRUE GEOTHERMALJOB# 4419

ANALYSIS

BENZENEETHYLBENZENETOLUENEXYLENES(TOTAL

BRL= Below Report ing Limit

PAHsACENAPHTHENEACENAPHTHYLENEANTHRACENEBENZO (a) ANTHRACENEBENZO(a)PYRENEBENZO(b)FLUORANTHENEBENZO(ghi)PERYLENEBENZO(k)FLUORANTHENECHRYSENEDIBENZO(a,h)ANTHRACENEFLUORANTHENEFLUORENEINDENO(1,2,3-cd)PYRENENAPHTHALENEPHENANTHRENEPYRENE

IIIIIIIIIIIIIIIIIII

Page 26: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

Analyses performed at a BEL affiliate facility.

8020802080208020

8270827082708270827082708270827082708270827082708270827082708270

ANALYSIS METHODDATE NUMBER

07/10/9507/10/9507/10/9507/10/95

07/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/9507/14/95

mg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kg

UNIT

mg/Kgmg/Kgmg/Kgmg/Kg

ATTN: DAVIS YOGI

Matrix: SOIL

DATE: JULY 19, 1995

JOB NUMBER: E5070307

Client ID#: 4419.4Lab Sample ID#: S4

LABORATORY ANALYSIS REPORTEnvironmental Laboratories Division

Approved by: --:'-...<L:::.~~':'--:'--L....::::::;;"~.!.<=:...._-

0.0020.0020.0020.002

0.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.50

REPORTINGLIMIT

BRLBRL0.003BRL

BRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRL

RESULT

It C B RE WE R CO lTl p fl n y

BRE\NERENVIRONMENTALINDUSTRIES, INC.

BREWER ENVIRONMENTAL LABORATORIES3 11 PACIFIC STREETHON OLU LU, HI 96B17PHONE (BOBI5 32 - 749 7FAX (BOB) 53 2-7 49 8

CLIENT: BREWER ENVIRONMENTAL SERVICES401 WAIAKAMILO RD. SUITE 101HONOLULU, HI 96817

PROJECT NAME: TRUE GEOTHERMALJOB# 4419

Date/Time Sampled: 06/29/95 @ 14:10Date/Time Received: 07/03/95 @ 14:40

PAGE 4 OF 5

ANALYSIS

BENZENEETHYLBENZENETOLUENEXYLENES(TOTAL

BRL= Below Reporting Limit

PARsACENAPHTHENEACENAPHTHYLENEANTHRACENEBENZO(a)ANTHRACENEBENZO(a)PYRENEBENZO(b)FLUORANTHENEBENZO(ghi)PERYLENEBENZO(k)FLUORANTHENECHRYSENEDIBENZO(a, h) ANTHRACENEFLUORANTHENEFLUORENEINDENO(1,2,3-cd)PYRENENAPHTHALENEPHENANTHRENEPYRENE

IIIIIII

IIIIIIIIIIIII

Page 27: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

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

** Original extract was accidently disposed of. The results are froma secondary extract obtained after the expiration of the recommendedholding time for extraction of the sample.BRL= Below Reporting LimitAnalyses performed at a BEL affiliate facility.

8020802080208020

8270827082708270827082708270827082708270827082708270827082708270

ANALYSIS METHODDATE NUMBER

07/10/9507/10/9507/10/9507/10/95

07/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/9507/24/95

mg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kgmg/Kg

UNIT

mg/Kgmg/Kgmg/Kgmg/Kg

ATTN: DAVIS YOGI

DATE: JULY 19, 1995Additional ResultsReport Date: 07/27/95Matrix: SOIL

JOB NUMBER: E5070307

Client ID#: 4419.smu3Lab Sample ID#: S5

LABORATORY ANALYSIS REPORTEnvironmental Laboratories Division

Approved by : ---:"-~'=-~_-'--=~"------ _

0.0020.0020.0020.002

0.500.500.500.500.500.500.500.500.500.500.500.500.500.500.500.50

REPORTINGLIMIT

BRLBRL0.1580.108

BRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRLBRL

RESULT

a C BR E W E R C O rn p fH'l y

BRE\NERENVIRONMENTALINDUSTRIES, INC.

PAGE 5 OF 5

BREWER ENVIRONMENTAL LABORATORIES3 11 PACIFIC STREETHONOL ULU, HI 9 6 8 17PHO NE (808) 532 -7 497FAX (808j53 2 - 7498

CLIENT: BREWER ENVIRONMENTAL SERVICES401 WAIAKAMILO RD. SUITE 101HONOLULU, HI 96817

Date/Time Sampled: 06/29/95 @ 14:47Date/Time Received: 07/03/95 @ 14:40

PROJECT NAME: TRUE GEOTHERMALJOB# 4419

ANALYSIS

BENZENEETHYLBENZENETOLUENEXYLENES(TOTAL

PARs **ACENAPHTHENEACENAPHTHYLENEANTHRACENEBENZO (a) ANTHRACENEBENZO(a)PYRENEBENZO(b)FLUORANTHENEBENZO(ghi)PERYLENEBENZO(k)FLUORANTHENECHRYSENEDIBENZO(a,h)ANTHRACENEFLUORANTHENEFLUORENEINDENO(1,2,3-cd)PYRENENAPHTHALENEPHENANTHRENEPYRENE

IIII

IIIIIIIIIIIIIIII

Page 28: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

J~IBrewer Environmental Laboratories

P.O. Box 552'A" Papaikou. HI. 96781- (808)964-5522 FAx:(80BI964-5309

Toll Free from Oahu : .528-4247

------=. r r u e Geother mal-1/'. ..... . .... . 1 , - ~ ~ . 4 4 l 9---- }':\: ! Proiec1 Name: ' I ' "

C~~~¥~~K;@~t;" ' ••""·;;;:'·;:·;ii;;·,,;;, i',

--------Name and . da .... wtw. t..l.ItI and invOI ce Ire to be Hf1t Name and addr.1I for additioNI rnulta if 0111« Ulan first:

Page 01

Analysis Reques ted~rm '·---- - - - - - - - - - 1' •Address : • iii ii ' iii iii i

City: State~ Zip-,-: __Phone#: FAX#:'-- _Contact Person :------ ----- - -

Firm: Brewer Environm ental ServicAddress: 4 0 1 Waiakamilo Rd, Ste 1 01City: Hono lulu State:--.H.L Zip:96 81 7Phone#: ( 80 8 ) 8 3 2 79 0 (J=AX#; 8 32 79 01Contact Person : Da v is Yog i

Comments : 'Matrix

Spe c ial I n s t r u c t i o n s : 4 419 . smu 3 . Ex t r a c t f or pAH to p re - s-sess e r-ve b ol d time t ' See below f o r 3runpinstructio n s . BTEX If ~~ater:::, pe c laI I n SLr u c a on s : 4 q .L~ . smu - .Lease per-r o r rn . SLD.Sludge

BTEX is b e l o w . 0 5 ppm, t hen analyze sample f o r PAH

---II. • 4419. 2

4 419.1

@~I.;".

C01 ~ ~

\0 'J

~ ~C

x n[.J4 ::r:: ()£ 2E-! -< a: Q.. -co P-. -X X-X X

X X

X X

xx-l ~ e El do$ne n"ts

6 / 2 9 I 2 : OOpj s 2

I6 / 29

I:: ::~ :- I

2

6 /29 2

6/ 29 1 2 : 10P1-S-- I')

6 / 2 9 22 : 4 7p s I

\I \ b:~ <~~,e +t .,.'I·M~tI1f r ~bAZ 1 ~'~~

, " "fI-;:T •

441 9 .smu 3

11 11 1 Q ':l

.SamPle ···.LoCationIb

Samples in good condition?i Yes No

r Samples received chilled?! Yes No

Total # of Containers : cae ameridmen t p~r c Li.errt ~nstrlI cti~n~ bf ] JIu J.b 16 ,I ~ 9 9 5 .

Samples received at lab withcustody seals intact?

Yes No I

3-5d

48 hr

Date:

.Date :

T im e :

- --- _.__._ - --- ----_.Received By:Sig nt lU"e:

•• Relinquishild By:

. ._ - . • • Printed Name:

------_ ._- _...- .-.. -- _. --- - _. ___ _ II~n.Iur. :

R ' ? 1~elinquiShed sv\, .I .. .::::q nr~n.I\.<!.-~ _ _ .1late:_:1_ U! (lS S!2!'~ Iur. Oat ,, ·

Pnnted Name Time' Printed ~J1m ...

- --- - - - - -.-- - . - - -- ...-----_.-- ------- - - - --- - - - - - - -- - - - -- - - - -- - - -- - -- - - ---- --I IReceWed By: Received By:

5ognat"'. · Date, Signat"' . Date'

Pnmed Nlm. Time: Pnnted Name Time: Printed Name : Time:

Page 29: ENVIRONMENTAL RESPONSH · True Geothermal Energy Company P.O. Drawer2360 Casper, Wyoming 82602 ENVIRONMENTAL RESPONSE REPORT TRUE GEOTHERMAL ENERGY COMPANY DRILL SITE OF GEOTHERMAL

------------_.---- - - ._---_._ ---- .--- -"~- -' :~---_ ' _-/

' <~~\i.I~.~.~.i.~£.·.'.•.OO.ro. ii.;;.··.:.·:::~,::::Orl.,. <Toll:Ftee fromOafni: /S2B-4247

:::":-:-::;:;:.:::::::;:::<::;:;::.:;}" :« -?::::?;:..::::.;~J;;\f§J! :e~~~:ii~i~~:;j;:::~:: ' ::oo~~:!:~1 ...r .D" t.~ l " "~11

)\ ,.\\J

.d~a:

Page~ol-L-

~

lx'

Analysis Requested

za.~

~u..

0 1~~

~E~..-- ... 0• ro 000 __

• ..- Q) ='<t~o_

~n;~B~I~<-!1-'2'-

'Matrlxs-seaW- Water0-011SLD- Sludge

State~. Zip.......: _ _FAX#.....: _

' S~I~ -. 1."M~;-~ li~~tji 1 ~lze

'O!7(-,r I ( :: ~I~O i 5

Name and addr. .. for .dditlonll re. ults If OthM 'd"lln tlrst:

Firm: _Address : I', I Iii I , I I iii j j FCity: _Phone#:, __Contact Person:.--- - - - - - - - - - -

/·Jl f...x"1 -/1 1j I

Nlm. and ad«n' where re.LftI and invoice ar. to M ' <<It:

Firm: f-;I~ ";'Address : U D I L: ) 1-1 ." 'tKl' ! l t D V D ).1 \ () rCity: I ~ . V o t. \..It... v State:.....:!.l.. Zip: Q (,/c ) l f

Phone#: 1': ~' (~. - i ' I e (/ FAX#: ~. : .- , <; (.' IContact Person : \" el l II .-: ., ' !o t ) ,

• 4

Comments :·. · . 0

Is~\m~~~y. I\;trl ; ' :\~,; , j:: rl\I I I I I I I I I I I I I

IWI".,,,,,, By. I2.J I + I I I I I I I

Samples received chilled?Yes No

Samples in good condition?Yes No

Total # of Containers:

\: C", ..••:.

Samples received at lab with ~custody seals Intactrt l:. . ':-:.

Yes No ~..

-3-5dDate:

Time:

Prlntld N. m. Time : II

Prlmltd Name:

:g:~:~~Shed By: _ _ Dal e : 1124 hr

- a~

Received By:Signatur. ,____ _ _ _ _ __ _ 1. • • •

Time:

Date:

Time :

Dal e :..._.--- - - --- .._- --- - - ... - . . - - -

Printed Nlme "

Relinquished By:

Slgna1\Xt:. .....

~~ .....Received By:Signa tlr e

' j

-r !

Pnnted Nam.:

Recelved 01.5Ign' I\.<. : ,.;