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M. ��Lqbqrafories Incmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 03/24/2009 11:14 <br /> 4630 South Highway 94 North Outer Road Project Number: Monthly <br /> Saint Charles,MO 63304 Project Manager: David Vasbinder <br /> Volatile Organic Analysis (EPA Method8260) <br /> Quality Control Rep® - Method dank Analysis <br /> Constituent Batch ID QC Sample ID MB Result Units PQL MDL Lab Quals <br /> trans-l,4-Dichloro-2-butene _— -BLK1 <5-0 ug/L 5 0 <br /> 6SC1391 BSC1391 <br /> Diisopropyl ether BSC1391 BSC1391 BLK1 <0.50 ug/L <br /> 0.50 <br /> - - <br /> E#ranolBSC1391 BSC1391 BLK1 <250 uglL <br /> 250 <br /> —------------ <br /> _ --— <br /> — <0 50 ug/L 0.50 <br /> Ethyl t-butyl ether BSC1391 BSC1391 BLK1 <br /> 2-Hexanone BSC1391 BSC1391 BLK1 <10 ug/L 10 <br /> _ -. ... _ .-- — —. .-. _..—_... ._ _ --- <br /> Meth ..— ----- _._.—.--- —.___._— —. <br /> yl ethyl ketone BSC1391 BSC13918LK1 <br /> <10 ug/L 10 <br /> Methyl iodide BSC1391 BSC1391-BLK1 <2.0 ug/L 2 <br /> Methyl isobutyl ketone BSC1391 BSC1391-BLK1 <10 ug/L 10 <br /> Vinyl acetateBSC1391 BSC1391 BLK1 <10 ug/L 1 — — <br /> ..-__—_...... .-- —— .. --_ ... __ —.—.._ <br /> CQ <br /> 1,2-Dichloroethane-d4(Surrogate) BSC1391 BSC1391-BLK1 103 % 76 114 (LCL-U <br /> - <br /> Toluene-d8(Surrogate) BSC1391 BSC1391 BLK1 97.7 % 88-110 (LCL-UCL <br /> _— _ .. —_ -.. _ .. ._ <br /> 4-Bromofluorobenzene(Surrogate) BSC1391 BSC1391 BLK1 97.7 % 86-115 (LCL-UCL) <br /> 3 <br /> i <br /> a <br /> 4 <br /> t <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 pttrty. BC Laboratories,Inc.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 9 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />