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MW MLaboratories Inc. I <br /> Environmental Testing Laboratory Since 1949 <br /> Project: NCYC Reported: 05/15/2008 16:06 <br /> Herst Associates <br /> 4630 South Highway 94 North Outer Road Project Number: [none] <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis (EPA Method 8260) <br /> BCL Sample ID: 0804978-05 Client Sample Name: Well#4/CYA#4,4/1612008 2:40:0013M, David Vasbinder Instru- QC MB Lab <br /> Prep Run <br /> Constituent ReSUIt Units PQL MDLMethod Date Date/Time Anal st ment ID Dilution Batch ID Bias Quals <br /> t-Butyl alcohol ND ug/L 10 8.6 EPA-8260 04/21/08 04/21/08 18:14 MGG MS-V5 1 -- BRD1315 ND <br /> Carbon disulfide ND ug/L 1.0 0.40 EPA-8260 04/21/08 04/21/08 18:14 MGC MS-V5 1 BRD1315 ND <br /> _...._...—.—.—. —.�— _._ __.—... <br /> — -.....--._.......-------------- —.—._ —.—.— — —.—.—�.—.—.---- -- <br /> ND <br /> trans-l,4-Dichloro-2-butene ND ug/L 5.0 2.0 EPA-8260 04/21/08 04121/0818:14 MGC MS-V5 1 BR----- --�--� <br /> ---......--._------- <br /> _... <br /> Diisopropyl ether ND ug/L 0.50 0.18 EPA-8260 04/21/08 04121/08 18:14 MGC— MS-V5 — BRD1315----- — ----, <br /> — — -- <br /> - --.. --� <br /> Ethanal ND ug/L 250 57 EPA 8280 04/21!08 04/21/08 18:14 MGG MS-V5 —1 — BRD1315 <br /> .—...— ----_— —.. -- __..... <br /> _. — <br /> ND <br /> ... <br /> Ethyl t-butyl ether ND ug/L 0.50 0,22 EPA-8260 04!21108 04121/08 18:14 MGC MS V5 1 BRD1315 - <br /> 2.5 EPA-8260 04/21/08 04/21108 18:14 MGC MS-V5 1 BRD1315 ND <br /> 2-Hexanone ND ug/L 10 —�—�� <br /> Methyl ethyl ketone ND uglL 10 1.6 ,EPA-8260 04/21108 04/21/08 18:14 MGC MS-V5 1 —4—BRD131 —, — —_ <br /> Methyl iodideND ug/L 2.0 0.42 EPA 8260 04!21108 04/21/08 18:14 MGG,—.MS-V5 ^.. ^ 1 .- BRD1315 ND-.—.—_--_—....—.... <br /> —.— <br /> Methyl isobutyl ketone ND ug/L 10 3.4 EPA 8260 04/21/08 04/21108 18:14 MGC MS-V5 1 BRD1315 - _ — <br /> _._.............._......_._...._. —..._ _.— <br /> ND <br /> Vinyl acetate ND ug/L 10 3.1 EPA-8260 04/21/08 04/21/08 18 14 MGG MS-V5 1 BRD1315 <br /> .—...—.^.—.__..—.^_—._.__...-- ......_.._........._ .. <br /> ---- <br /> _. <br /> 1315 <br /> 1,2-Dichloroethane-d4(Surrogate) 102 % 76-114 (LCL-UCL) EPA-8260 04121/08 04121/08 18:14 MGC MS V5 1 B —^ ry <br /> Toluene d8(Surrogate) 102 % 88-110 (LCL-UCL) EPA-8260 04/21/08 04/21/08 18:14 MGC MS-V5 1 BRD1315 <br /> 15 <br /> 4-Bromofluorobenzene(Surrogate) 100 % 86-115 {LCL-UCL) EPA-8260 04/21/08 04/21— 18:14 MGC MS-V5 1 — --.-------^ - <br /> The results in this report apply to the samples ana&ed in accordance with the chain of custody document.This analytical report must be reproduced to its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,[tic.assumes no responsibility for report alteration,separation,detachment or third Marty interpretation. page 18 of 36 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />