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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 6260) <br /> Quality Control Repo - Method Blank Analysis <br /> Constituent Batch ID QC Sample ID MB Result Units PQL MDL Lab Quais <br /> BSG1715 BSG1716-BLK1 <5.0 ug/L ---- <br /> 5.0 <br /> trans-1,4Aichloro-2-butene --_._---.__..._ ---.,_.__------- -- <br /> Dilsopropyl ether BSG1716 BSG1716 BLK1 <0.50 u <br /> gfL 0.50 <br /> Ethanol BSG1716 BSG1716 BLK1 <250 ug/L <br /> BSG1716 BSG1716-BLK1 <0.50 ug/L 0. <br /> 50 <br /> Ethyl t-butyl ether <br /> -- _— – _— - <br /> BSG1716 BSG1716-BLK1 <10 ug/L 1 <br /> 2-Hexanone —._— <br /> Methyl ethyl ketone BSG1716 BSG1716-BLK1 <br /> <2.0 ug/L 2. <br /> Methyl iodide BSG1716 BSG1716-BLK1 ..._._..—.._—___—...—.._-.-.-- ---- <br /> --- BSG1716 BSG1716-BLK1 <10 ug/L 1 <br /> Methyl Isobutyl ketone –—^--- — '- <br /> -...-- <10 ug/L 10 <br /> Vinyl acetate BSG1716 BSG1716-BLK _--__ __.`_—_ _- --•------ <br /> -- <br /> 76-114 (LCL-UCL <br /> 1,2-Dichloroethane-d4(Surrogate) BSG1716 BSG1716-BL}C1 98.1 ° ——.------_.___---- —. <br /> Toluene-d8(Surrogate) BSG1716 BSG1716-BLK1 99.1 °� 88 110 (LCL U—^— --�-- -- <br /> 86-115 (LCL-UCQ <br /> 4-Bromofluorobenzene(Surrogate) BSG1716 BSG1716-BLK1 101 °� __-� <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 party. BC Laboratories,lncr assumes no responsibility for report alteration,separation,detachment or third party interpretation. Page 35 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 />