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Home My WebLink About20102577.tiff ,1 t i .T Environmental Technologies, Inc. 2060 W. Littleton Boulevard * Littleton, Colorado 80120 * 303-795-2500 * Fax 303-795-774' Weld County Planning Department GREELEY OFFICE Mr. Rick Eggleston - Senior Advisor, TLM FEB 1 09nt1 Petro-Canada Resources (USA), Inc. 999 18th Street, Suite 600 RECEIVED Denver, Colorado 80202 SEMI-ANNUAL SITE MONITORING REPORT-JANUARY,2010 PETRO-CANADA RESOURCES (USA), INC - LAND FARM TOWNSHIP 4 NORTH, RANGE 64 WEST, SECTION 18 WELD COUNTY, COLORADO Western Project #05206 January 27, 2010 Dear Mr. Eggleston: Western Environmental Technologies,Inc. (Western)has completed a fourteenth scheduled testing event at the subject facility. The facility receives petroleum soil from exploration and production sites operated by Petro-Canada Resources(USA),Inc.(PCR). The land farm treats and then recycles remediated petroleum soil. Regular sampling of subsurface soil within active treatment areas of the land farm is required in the approved facility permit. In addition,ground water monitoring is also to be conducted twice each year of facility operation and during site closure testing. SOIL SAMPLING AND TESTING Semi-annual soil sampling and testing is conducted to ensure that hydrocarbons present in active soil treatment areas do not migrate downward into underlying native soil. Western personnel mapped and measured the petroleum soil stockpiles in current treatment areas. A grid was then prepared and drilling locations marked on the site. The locations for ten soil test borings were staked prior to drilling. This sampling event was performed on January 20, 2010. There were five soil treatment cells located at the south end of the land farm which were active at the time of this assessment. The fifth soil treatment cell had been being filled with petroleum soil and graded prior to this quarterly testing event. The locations of the ten soil test borings drilled during this event are indicated on an attached map. Site Services, Inc. of Golden,Colorado performed site drilling and soil sampling tasks. All project personnel were OSHA certified for hazardous waste operations. A remote controlled hydraulic robotic drill rig was used. The drill rig was track mounted and could easily access all desired drilling sites. A GeoProbe 7730 DT drill rig was used for the soil drilling tasks. 2010-2577 LaytimruM - -r et-� l'/ 47Z, //- d'— OFM The south half of the facility was treating soil at the time of this testing event. The facility sampling plan requires that all petroleum soil in active treatment areas be removed before drilling test borings. The drill rig is equipped with a hydraulic excavating blade. At each drill location, petroleum soil was removed to a depth to expose native underlying soil before commencing with drilling the test borings. This would help ensure that petroleum compounds from soil in the treatment cells would not contaminate samples of underlying native soil. The drill rig uses a direct push hydraulic ram to advance drill rods to the desired depths. Each boring was advanced to a depth of five feet below the surface of the native soil. Core samples were recovered within new disposable plastic core barrel liners. Core recoveries were excellent ranging from 90% to 100% of the drilled intervals. The recoveries of the cores were noted and recorded during this site testing event. Soil lithologies were described from the cores by a Professional Geologist. Volatile gas head space field testing was performed on all recovered soil cores. A portable photoionization detector was used to test soil cores. The instrument was calibrated using 100 parts per million(ppm)Isobutylene calibration gas. Head space readings are presented on soil boring logs. Only trace volatile gasses were detected in some of the field soil screening tests. Core intervals from five feet below the native soil surface were obtained for laboratory analyses. All soil samples were obtained using laboratory chain-of-custody documentation. All soil samples were immediately labeled and cooled. Samples were then delivered to Technology Laboratory, Inc. located in Fort Collins, Colorado for testing. A soil boring log was prepared for each of the test borings. There was no visible oil staining present in any soil core sample examined. Soil types in cores consisted mainly of tight silt and well sorted fine sand. Occasional sand lenses and zones of limonite mineralization were encountered. No ground water was observed in any of the soil test borings advanced for this semi-annual site assessment. Each soil sample was analyzed for Total Recoverable Petroleum Hydrocarbons (TRPH) and Benzene, Ethylbenzene, Toluene and Xylene (BTEX) compounds. United States Environmental Protection Agency (EPA) preparation and analytical Method #418.1 was used for the TRPH analyses. Soil samples were also tested for BTEX compounds using EPA Method #8260B. A summary table of current and historical soil test results is attached. All soil samples were tested within recommended laboratory holding time limits. Laboratory test and QA/QC data is also attached. There were no QA/QC issues noted by the testing laboratory. GROUND WATER SAMPLING AND TESTING The permit for the facility also requires semi-annual surveys and testing of site ground water. Six permanent stick-up ground water monitoring wells have been installed in areas outside of current active soil treatment cells. The wells were completed into underlying bedrock shale. Three of the monitor wells were dry at the time of this assessment, and could not be tested. A ground water elevation measurement was first completed on each monitoring well which contained water. The measurements were made using a decontaminated electronic water level. Measurements were made from surveyed reference points on each well. All water depth measurements were taken from the north side of reference points in the wells. Ground water flows due west at the site. A new disposable well bailer was then used to purge and sample monitor wells. New sampling line and surgical gloves were also used when obtaining ground water samples. A minimum of three wellbore volumes of ground water were removed from the wells to obtain representative ground water samples for laboratory testing. The locations of monitor wells are presented on an attached map. Each ground water sample was obtained using laboratory chain-of-custody documentation. Ground water samples were placed into 40 milliliter(ml)VOA vials and immediately labeled and cooled. Ground water samples were also submitted to Technology Laboratory,Inc. for testing. Ground water samples were prepared and tested for BTEX compounds using EPA Method#8260B. Ground water samples were also tested for TRPH compounds via EPA Method#418.1. QUARTERLY MONITORING SUMMARY There were no BTEX or TRPH compounds detected by the laboratory in any of the ten soil samples which were tested. The testing laboratory also did not detect any BTEX or TRPH compounds in any of the three ground water samples obtained during this event. No soil or ground water quality standards of the Colorado Oil and Gas Conservation Commission(COGCC)were exceeded in any site soil or ground water samples obtained during this monitoring event. The next semi-annual site monitoring event is scheduled to be conducted during the week of July 18, 2010. Please contact us with any questions which you may have. Sincerely, Mark H. Bai , CH , PG, REP - Senior Environmental Scientist Western Environmental Technologies, Inc. xc: John Axelson- Colorado Oil & Gas Conservation Commission Troy Swain—Weld County Dept of Public Health & Environment Trevor Jiricek - Weld County Dept of Public Health & Environment Kim Ogle - Weld County Planning & Zoning Attachments: Soil Boring Location Map, January, 2010 (1 page) Ground Water Elevation Contour Map, January, 2010 (1 page) Table One - Soil Core Test Results Table, January, 2010 (4 pages) Table Two - Ground Water Test Results Table, January, 2010 (1 page) Project Photographs 1 - 4 (2 pages) Soil Boring Logs—January, 2010 (10 pages) Technology Laboratory Data Reports (7 pages) B19n/GW/petrokerseyl 5.cdr I I I RUIN I) AA.A I HR LI.LAXI'IUA ( 1)AI t II 12 VI:AP -Jnnoara.. mluu I Rio'(znada Ito..niN,., In, Orl Ian, fi, .,c 1_uud ISvm L Fry No No 21 21 622 \( J L. n,i,I).C„ur',idu T.4N R64 W Sec 18 BNN s Project No Prepared By 1 05206 CCC t(,, i'_� iZ LI Access Gates Date Reviewed By 01/26/10 MHB - 'm Access toad(Gravel) - .. - c7 I I I I I 1 ml if 1 (9 to vI co A I 1 II on Tang 1 i i4N R Sec^6 ..,•"`�� I I NW-NW r. . `� I — — — _ X.P !s ��,.,...^•"'..�..F — ',:Me\G_ ate ._._._ '-+d^J6 I _ Y, _ F>Ca�s Road(Gravel) '��..,� ,.�/ ,- Gate Elevation Contour +" 50 Ft E �." t ra` i Shop NilIllowS L- Action Services Oilfield .'' 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Photo 3- .'1 soil core sample barrel liner is retrieved atter drilliuLI u, test boring. .. ; • .• 1 I. -i '+t f-, -, liellilb " . -ht,+ •rte. •�.. `� •�: L itir . . y �. ? vs*I.`.76. • • r • lr� - 3 . IA " . • re •,.. •• lel •oilk�• ! • rte+._ -ELL ; H. ILgill‘tr: if -..•,...ars; ..2* •.0,. , . • Ite...t y.cc Y � r•_. ' �. - '=• err r �:. _ .".e.:.;_'.- T •�c'- a 1 . 3 *J.... _ 440, 44„.• Al P ♦ . . . • . .. is. is . ‘,-*/.• .:. - - ....• , • •glillit • • "• • :}..r�`Ms •• ,� _ fPL1 y , �1 „V-, 'w'f .� rte- a r d, It \ l , + • . - i ( ) o. 61f., i -,_ �!� Q! •r� ` r o. a '‘..'-reH•411. 14•1X4 ).1. 'IC. 04 4.- , :.)}, 'fr r • li Photo -I 1 track mounted robotic drill rig is positioned at a test drilling loc ition . s OP ire 4. _ A re- : ' t ♦4.(s Y1 /' • -! . , Ailil • ♦ • �. �,o -e r , . oie, ,„„4,..,7,3....! , ,: _. _ , „L . e..... .4 if •T • -it . drat. . -.. '! , -Ii.� ea .. .# doe '% -.. ... �lBt _ .., i { Ilia_ .� - �� < 7• g • •"4. � Photo 1 - ( )il contaminated soil is removed to expose underlying native soil betore drilling a test boring in soil treatment cells. J • ti • I• 1 . . .., Ai _ ,..... .......... , .. . •. ) *' ._ , , , • al .• . . _ . _.• _. _ . .. . }'!.'. ..,.. . . ..a. ,..._ •r �1. .tom ..• `4 •-• Jr y•. BAR 4. •.. •_ t �/i ' .'•�4T•.:•,•.r�"J .• -�' A . ___ 7a44" ri 4 NIP ... /74- }- �jtji 7�}��il!. Photo ? •A Cieoprobe drill rig prepares to recover a subsurface soil test core . a ` BOREHOLE LOG SB- I Penetration Sample Depth PlD Reading R DePth Below Lithologic Description Symbol ,) (blowlilt) Interval (ft) Surface (ft) rt 11 N/A — + pfliffillifl in — 0 - 3' - 90% core recovery. Tan, limonite, nemlot =I __ stained, silt. tit EttiVA! --- 2 f � f a f — � � It AgifisAA — answer _..,. 3 _ ---. .. __ .. _ - - 0 4 3 - 5' - 100% core recovery. Grey sift _� with tan silt layers. - _-__- saw — 5 . _ Total Depth = 5.0' 819n/Borelogs/PetroKersey5.cd r PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC i? IgilisiElkina NI GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 a BOREHOLE LOG SB-2 Penetration Sample Depth Results DePOI " Lithologic Description Symbol PID Reading (blows&ft) Interval (ft) Surface (ft) N/A -- -- 1 0 - 3' - 95% core recovery. Tan, micaceous silt. -:_.... .... ....... ....... .... 1 2 3 0 3 - 5' - 100% core recovery. Grey silt with • 30 4 limonite layers_ Sample — =' ht:\. 0 5 Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC E S ‘Eilet\I GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 ' BOREHOLE LOG SB-3 Penetration Sample DepthPID Reeding �) Depth Below(ft) (ft) Lithologic Description Symbol PID /< /O. > `N%../ N<')/ >: N/A N�N / 0 1 :x 0-3.5' - 100% core recovery. Dark brown, j micaceous sib. /> "< ,e 0 <ry>> . ` ..� / 0 3 �>' ,< >� _ = = 0 _ 3.5' - 5' - 100% core recovery. Tan silt with = _ ____ fine sand layers_ 4 - Sample -- - _ 0 @5' 5 = _ . . _ Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Gea Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC R GROUND WATER DEPTH AFTER 0 HRS_ N/A GROUND WATER DEPTH AFTER 0 HRS, N/A PROJECT NO. LOGGED BY: MHB 05206 f S BOREHOLE LOG SB-4 w � Penetration Sample Depth PIQ Reading Results Mow Lithologic Description Symbol � ,} (blows/ft) Interval (It) Surface (ft) N/A - • 1 . ... ....... 0 �.. 2 ::::::: :::.:- 0 - 5' - 100% core recovery. ....... Tan, micaceous silt - 0 -- - 4 . . 0 Sample ...... 5' 5 ------- .--- Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC tESsila GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 BOREHOLE LOG SB-5 Penetration Sample Depth Results Depth Below Lithologic Description Symbol Pm Reading r (blows/Ft) interval (ft) Surface (ft) ( jTh+ f C 0 N/A -- Y x-1?ji„n1 _r Ci 0 - 4.5' - 100% core recovery. Dark brown, sandy, micaceous silt. �-�`, 0 r�.J --- 2 7 c, r" r "1.„k: IJ�' crin rr 0 �. �. �. 4 r Zia, kei --- 4.5' - 5' - 100% core recovery. •I _I- -( Tan silt. I ► Sample — f;..;t I 0 @5' 5 Total Depth = 5.0' l PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PRopEc;r No_ LOGGED BY: MHB 05206 e � BOREHOLE LOG SB-6 Penetration Sample Depth Results Depth Below Lithologic Description Symbol P'CReading (blows/ft) Interval (ft) Surface (ft) ( S ?r7..V'}..y =I 1 • r.... l , . N/A ' 0 — 4.5' - 100% core recovery. Dark brown, s_I-K'J' - _ 0 sandy silt. ;{ ,_ _I• _ 1 ._ _1 ` r !_ ..' , 1 I' “1.. i _i 1C. ..J4 Ia I '.nom 2 I I -11- :5r'.?i'i. S'� �• 1 I-yg' CY; i_rA 3 re-; .Y;1. •?.:'_t L_: z,:..e ,t.'t. ',., ;_j , :r. rcr'_.4'‘2..Yi' I-1 1VI ' -'I _I 4 -. - V I I I-I 4.5' - 5' - 100% core recovery. Hard, brown, Sample — sandy silt. 0 irg5 "II.IMoimik 5 Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: N/A CCC E N GROUND WATER DEPTH AFTER 0 HRS_ N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 BOREHOLE LOG SB-7 Penetration Sample Depth Results Depth Below Lithologic Description Symbol PID Reading (blowslft) interval (ft) Surface (ft) (PPm) y {N. t :v: N/A -- : `: ; . r .f -- 1 r. J: I. I h .r I 1 2 0 - 4' - 100% core recovery. • :: Grey silt. Y " I;; O .Ir :1 t 3 . y . 5 : : I 1 :4 : 'r ' 4.1 • . t 4 _rimosmi __ 4' - 5' - 100% core recovery. 1111111 Dark brown, hard shale layers •Bill and tan silt. Sample 1 @ 5, 5 Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc_ QUARTERLY TESIINQ, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R6kWt WC, 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLQRADO PREPARED BY • GROUND WATER DEPTH AT COMPLETION: N/A CCC �N GROUND WATER DEPTH Al- I ER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 FIRS. N/A PROJECT NO. LOGGED BY: MHB 05206 BOREHOLE LUG SB-8 Penetration' Sample Depth Results Depth Bebw Lithologic Description Symms PID( ding (blowsfit) Interval (ft) Surface (ft) N / // 1 0 - 2' - 90% core recovery. Dark brown, micaceous silt. N 0 1 __,,.,_ 2 rr � � -1 r ;1 0 1. I �, r 3 J. .I J. 1. .l ! 2.5' - 5' - 100% core recovery. i Tan mica and fine sand. 1VV1• 1 1 1 4 .1. 1 ;� ) ! 1. Sample ) 1._1' 1 1'... 1, 0 @ 5' - 1. i I. .1 5 Total Depth = 5.0' PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push 74N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION:NIA CCC GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 • L BOREHOLE LOG SB-9 Penetration Sample Depth Results Depth Beb"' Lithologic Description Symbol PID Reading (blvwstft) interval (ft) Surface (ft) ( Ti _� phi H v -- N/A J. I. '_ 0 - t tl 0 - 2.5' - 100% core recovery. Dark brown, c c; silt- 1-rT 0 3 2.5' - 5' - 100% core recovery. __ Tan, micaceous silt. 1 4 Sample 0 5, 5 - Total Depth = 5.0' PETRO CANADA RE �J'CES (USA) INC. DRILLING DATE: 01/20/10 KERSEY . o.FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTIN OANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 SAMPLING METHOD: 5' Sample Barrel WELD COUNTY, COLORADO PREPARED BY GROUND WATER DEPTH AT COMPLETION: NIA CCC E S� GROUND WATER DEPTH AFTER 0 HRS. N/A GROUND WATER DEPTH AFTER 0 HRS. N/A PROJECT NO. LOGGED BY: MHB 05206 r BOREHOLE LOG SB- lU Penetration Sample Depth Reading Results Depth Belaw Lithologic Description Symbol PID(ReaRea PPm (blows/ft) Interval (ft) Surface (ft) — a N/A 0 0 - 2 0 - 5' - 100% core recovery. , Tan, micaceous silt. 0 3 0 4 . . . Sample -•-- @ 5' 0 5 Total Depth = 5.0' 819n\Borelogs\PetroKersey4 PETRO CANADA RESOURCES (USA) INC. DRILLING DATE: 01/20/10 KERSEY LAND FARM DRILLING COMPANY: Site Services, Inc. QUARTERLY TESTING, JANUARY, 2010 DRILLING METHOD: Geo Probe - Direct Push T4N, R64W, SEC 18 1 SAMPLING METHOD: 5' Sample Barrel WEW COUNTY, COLORADO .� PREPARED BY GROUND WATER DEPTH AT COMPLETION:NIA CCC GROUND WATER DEPTH Al- I ER 0 HRS. 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Date I ZeceiVed: 01/22/10 2060 West Littleton Blvd Matrix: Soil Littleton, CO 80120 Project No.: 05206 Date Date TRPH Lab ID Sample 1D Sampled Analyzed mg/Kg 9882-01 SB1-5' 01/20/10 01/26/10 < 10.0 9882-02 SB2-5' 01/20/10 01/26/10 c 10.0 9882-03 SB3-5' 01/20/10 01/26/10 < 10.0 9882-04 S 84-5' 01/20/10 01/26/10 < 10.0 9882-05 SB5-5' 01/20/10 01/26/10 < 10.0 9882-06 5B6-5' 01/20/10 01/26/10 < 10.0 9882-07 S87-5' 01/20/10 01!26110 < 10.0 9882-06 S88-5' 01/20/10 01/28/10 < 10.0 9882-u9 SB9-o' 01/20/10 01!26/10 < 10.0 9882-10 S810-5' 01/20/10 01/26/10 ` 10.0 TRPI-t Method: EPA-418.1 .• :1. ( orgy .A. I !r/�� fr/jjj &Lir' • Ot Page 3 of 6 en /to Ti! 88VS3L.t=0L6 81 : 60 0103 / 10 /:O .: ' }'t 1Rar TECHNOLOGY LABORATORY, INC. CENTRE PROFESSIONAL PARK ® 1012 Centre Avenue Fort Collins, Colorado 80526 (970) 490.1414 CERTIFICATE OF ANALYSIS Western Environmental Technologies, Inc. Sampled: 01/21110 2060 West Littleton Blvd Received: 01/22/10 Littleton, CO 80120 Sample ID: MW--1 Project No.: 05206 Laboratory ID_ 9882-11 Matrix: Water CAS Date Number Parameter Result Unit Method Analyzed 71-43-2 Benzene < 0.001 mg/L EPA-$260B 01123/10 108-88-3 Toluene < 0.001 mg/L EPA-8260B 0103110 100-41-4 Ethylbenzene < 0.001 mg/L EPA-8260B 01/23/10 1330-20-7 Total Xylenes < 0.001 mg/L EPA-82608 01/23/10 N/A TRPH < 5.0 mg/L EPA-418.1 01/25/10 QA/QC SURROGATE RECOVERIES Compound % Recovery % Rec. Limits Dibromofluoromethane 110 68-120 Toluene-d8 101 81-128 Bromofluorobenzene 104 70-113 ` Il Pa90 4 018 AR /q0 917/ci I71 88tSZLt'OL6 81 :60 0102 / tO /Z.0 b • r TECHNOLOGY LABORATORY, INC. CENTRE PROFESSIONAL PARK 1 1012 Centre Avenue Fort Collins, Colorado 80626 (970) 490-1414 CERTIFICATE OF ANALYSIS Western Environmental Technologies, Inc. Sampled: 01/21/10 2060 West Littleton Blvd Received: 01/22/10 Littleton, CO 80120 Sample ID: MW-4 Project No: 05206 Laboratory ID: 9882-12 Matrix Water GAS Date Number Parameter Result Units Method Analyzed • 71-43-2 Benzene < 0.001 mg/L EPA-82608 01/23/10 108-88-3 Toluene < 0.001 mg/L EPA-8260B 01/23/10 100-41-4 Ethylbenzene < 0.001 mg/L EPA-82606 01/23/10 1330-20-7 Total Xylenes < 0.001 mg/L EPA-82608 01/23/10 N/A TRPH < 5.0 mg/L EPA-418.1 01/25/10 QA/QC SURROGATE RECOVERIES Compound % Recovery. % Rec. Limits Dtbromofluoromethane 104 68-120 Toluene-d8 101 81-128 Bromofluorobenzene 107 70-113 re-eta_ ItCd Page 5 of 6 OD ion Arta Til BSVSGLG0L6 81 ; 60 © I0 / I0 /40 If ►w TECHNOLOGY LABORATORY, INC. CENTRE PROFESSIONAL PARK 1012 Centre Avenue Fort Collins, Culundo 80526 (970) 490-1414 CERTIFICATE OF ANALYSIS Western Environmental Technologies, Inc. Sampled: 01/21/10 2060 West Littleton Blvd Received: 01/22/10 Littleton, CO 80120 Sample ID: MW-6 Project No.: 05206 Laboratory ID: 9882-13 Matrix: Water CAS Date NumOgr Parame**r Result Units Method Analyzed 71-43-2 Benzene < 0.001 mg/L EPA-82608 01/23/10 106-58-3 Toluene < 0.001 mg/L EPA-8260B 01/23/10 100-41 -4 Ethy#benzene < 0.001 mg/L EPA-8260B 01/23/10 1330-20.7 Total Xylenes < 0.001 mg/L EPA-8260B 01/23110 N/A TRPH < 5.0 mg/L EPA-418.1 01/25/10 QA/QC SURROGATE RECOVERIES Compound % Recovery % Rec. Limits Dibromofluoromethane 111 68-120 Toluene-d8 101 81-128 Bromofluorobenzene 108 70-113 1oc� Pastes of° An /in �-raisi Ill 88t7SCLD0L6 81 : 60 ° 10C / 1O/LO Hello