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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 Method 260) <br /> BCL Sample ID: 0909829-04 Client Sample Name: Weli#2/CYA#2,7/28/2009 1:30:OOPM <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PQL- MDL Method Date Date/Time Analyst ment lD Dilution Batch lD Blas Quals <br /> 1,2-Dichioropropane <0.50 ug/L 0.50 EPA-8260 07/30!09 07/30/09 14:17 MGC MS-V5 1 BSG1716 NO <br /> 1,3-Dichloropropane <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 N <br /> trans-1,3-Dichloropropene <0.50 ug/L 050 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 N <br /> - -- -... -._._ <br /> Ethylbenzene <0.50 ug/L 0.50 EPA 8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> Hexachlorobutadiene <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGG MS-V5 1 BSG1716 N <br /> Methylene chloride <1.0 ug/L 1.0 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 NO <br /> EPA 8260 07!30/09 07130!09 14:17 MGC MS-V5 1 BSG1716 <br /> Methyl t-butyl ether <0.50 ug/L 0.50 <br /> Naphthalene <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30109 14:17 MGC MS-V5 1 BSG1716 NO <br /> Styrene <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> NO <br /> 1,1,2,2-Tetrachloroethane <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> ND <br /> Tetrachloroethene 7.4 ugiL 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS V5 1 BSG1716 ND <br /> Toluene <0.50 ugiL 0.50 EPA-8260 07/30109 07/30/09 14:17 MGC MS-V5 1 BSG1716 NO <br /> 1,2,4-Trichlorobenzene <0.50 ugiL 0.50 EPA-8260 07!30109 07/30/09 14:17 MGC MS-V5 1 BSG1716 NO <br /> 1,1,1-Trichloroethane <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> NO <br /> 1,1,2-Trichloroethane <0.50 ug/L 0.50 EPA-8260 07/30/09 07/3010914:17 MGC MS-V5 1 BSG1716 NO <br /> Trichloroethene 1.6 ug/L 0.50 EPA-8260 07130/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 ND -- -_ <br /> Trichlorofluoromethane <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGG MS-V5 1 BSG1716 NO <br /> 1,2,3-Trichloropropane <1,0 ug/L 1.0 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 NO <br /> Vinyl chloride <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS V5 1 BSG1716 NO <br /> Total Xylenes <1.0 ug/L 1.0 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> ND <br /> Acetone <10 ug/L 10 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 N <br /> Acrylonitrile <5.0 ug/L 5.0 EPA 8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> NO <br /> ----- <br /> t-Amyl Methyl ether <0.50 ug/L 0.50 EPA-8260 07/30/09 07/30/09 14:17 MGC MS-V5 1 BSG1716 <br /> NO <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 sulmuittinp party. BC laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation page 14 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 />