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Laboratories, Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 07/31/2009 10:49 <br /> 4630 South Highway 94 North Outer Road Project Number: [none) <br /> Saint Charles, MO 63304 Project Manager: Erin Fanning <br /> Volatile Organic Analysis (EPA Method20) <br /> BCL Sample ID: 0909829-03 Client Sample Name: Well#1/CYA#!,7/28/2009 1:19:OOPM <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result iUnitS PQL MDL Method Date Date/Time Ana t meet ID Dilution Batch ID Bias Quals <br /> t-Butyl alcohol <10 ug/L 10 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> Carlon disulfide <1.0 ug/L 1.0 EPA-8260 07130/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> trans-1,4-Dichloro-2-butene <5.0 u9 2 5.0 EPA 8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> ND <br /> Diisopropyl ether <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 <br /> Ethanol <250 ug/L 250 EPA-8260 07/30/09 07/30/0913:49 MGC MS-V5 1 BSG1716 ND <br /> _...._— _._.—_— — --— —._ —...-..—._. ...—. — <br /> Ethyl t-butyl ether <0.50 ug/L 0.50 EPA-8260 07/30/09 07130!09 13:49 MGC MS-V5 1 BSG1716 NO <br /> 2-Hexanone <10 ug/L 10 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 D <br /> Methyl ethyl ketone <10 ug/L 10 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> Methyl iodide Q.0 ug/L 2.0 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> Methyl isobutyl ketone <10 ug/L 10 EPA-8260 07130109 07/30/09 13:49 MGC MS-V5 1 BS <br /> ND <br /> Vinyl acetate <10 ug/L 10 EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 ND <br /> 1,2-Dichloroethane-d4(Surrogate) 106 % 76-114 (LCL-UCL) EPA-8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 <br /> Toluene-d8(Surrogate) 100 % 88-110 (LCL-UCL) EPA 8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 <br /> 4 Bromofluoroton2ene(Surrogate) 102 % 86-115 (LCL-UCL) EPA 8260 07/30/09 07/30/09 13:49 MGC MS-V5 1 BSG1716 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document_This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting patty. BC Iahoratotics,Inc.assumes no responsimity for report alteration,separation,detachment or third party interpretation. Page 12 of 36 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com 9 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />