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Laboratories, Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 02/10/2010 15:29 <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 8260) <br /> Quality Control Report- Method Blank Analysis <br /> IConstituent Batch ID OC Sample ID MB Result Units POL MDL Lab Qualls <br /> Benzene BTBO470 BTB0470-BLKI ND ug/L 0-50 0.086 <br /> Bromochloromeftne BTBO470 BTS0470-BLK1 ND ug/L 0.50 0.23 <br /> Bromodichloromethane BTBO470 BTB0470-BLK1 ND ug/L 0.50 0.12 <br /> Bromoform BTBO470 BTS0470-BLK1 ND ug/L 0.50 0.23 <br /> Bromomethane BTBO470 BTBO470-BLKI ND ug/L 1.0 0.20 <br /> Carbon tetrachlorideBTBO470 BTB0470-BLK1 ND ug/L 0.50 0.18 <br /> ................ --------- ......... .......... <br /> Chlorobenzene BTBO470 BTBO470-BLKI ND ug/L 0.60 0.081 <br /> Chloroethane BTB0470 BTB0470-BLK1 ND ug/L 0.50 0.11 <br /> ........... .... <br /> Chloroform BTB0470 BTB0470-BLKI ND ugtL 0.50 0.072 <br /> -------------- ----------- ........ ------- <br /> Chloromethane BTBO470 BTB0470-BLKI ND ug/L 0.50 0.11 <br /> DibromochloromethaneBTBO470 BTBO470-BLKI ND ug/L OM 0.077 <br /> ---------------- -------- <br /> 1,2-Dibromo-3-chloropropane BTBO470 BTB0470-BLK1 ND u9n 1.0 0.44 <br /> 1,2-Dribromoethane BTBO470 BTBO470-BLKI ND ug/L 0.50 0.16-,- <br /> Dibrommethane BTBO470 BTB0470-OLK1 ND u9tL 0.50 0.19 <br /> ........... <br /> 1,2-Dichlorobenzene BTBO470 BT130470-13LKII ND ug/L 0.50 0.068 <br /> 1,3-Dichlorobenzene BTBO470 BTB0470-OLK1 ND ug/L 0.50 0.060 <br /> 1,4 Dichlorobenzene BTBO470 BTB0470-BLK1 ND ug/L 0.50 0.083 <br /> Dichlorodifluoromethane BTBO470 BTB0470-BLK1 ND ug/L 0.50 0.11 <br /> 1,1-DichlomethaneBTBO470 BTS0470-BLK1 ND ug/L 0.50 0.081 <br /> ............. ........................ <br /> 1,2-Dichloroethane ST80470 BTB0470-BLK1 ND ug/L 0.50 0.14 <br /> ----------- ------- ------- ------ <br /> 1,1-Dichloroethene BTBO470 BTB0470-BLK1 ND ug/L 0-50 0.12 <br /> cis-1,2-[Yichloroethene BTBO470 BTB0470-BLK1 ND ug/L 0.50 0.11 <br /> trans-1,2-Dichlotoethene BTBO470 BTB0470-BLK1 ND ug/L 0.50 0.097 <br /> .......... --------- <br /> 1,2-Dichloropropane BTBO470 BTB0470-13LKII ND ug/L 0.50 0..12 <br /> -------- <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 entirely. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs,com Page 33 of 36 <br /> Certifications: Califomia-ELAPGertification Number 1186: Nevada Administrative Code-NAC-445A <br />