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Laboratories Inc. <br /> l <br /> Environmental Testing Laboratory Since 1949 <br /> Shaw Project: Foothill Landfill <br /> Reported: 02/22/2010 12:27 <br /> 1326 North Market Boulevard Project Number: 124591 Groundwater <br /> Sacramento,CA 95834 Project Manager: Sheila Richgels <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent Batch ID QC Sample ID MB Result Units PQL MDL Lab Quals <br /> trans-1,4-Dichloro-2-butene BTB0280 BTB0280-BLK1 ND ug/L 5.0 1.4 <br /> Diiso ro I ether BTB0280 BTB0280-BI-K1 ND ug/L 0.50 0.19 <br /> Ethanol BTB0280 BTB0280-BLK1 ND ug/L 250 45 <br /> -- -------------- - <br /> Ethyl t-butyl ether BTB0280 BTB0280-BLK1 ND ug/L 0.50 0.18 <br /> 2-Hexanone BTB0280 BTB0280-BLK1 ND ug/l- 10 3.4 <br /> Methyl ethyl ketone <br /> Y Y BTB0280 BTB0280-BLK1 ND ug/L 10 2.5 <br /> - -- --- ------...- - ---- - - --- - - <br /> - ----- <br /> ------ - - - <br /> Methyl iodide BT80280 BTB0280-BLK1 ND ug/L 2.0 0.44 <br /> Methyl isobutyl ketone BTB0280 BTB0280-BLK1 ND ug/L 10 2.1 <br /> Vinyl acetate BTB0280 BTB0280-BLK1 ND u /L 10 2.4 <br /> 1,2-Dichloroethane-d4(Surrogate) BTB0280 BTB0280-BLK1 92.5 % 76-114 (LCL-UCL) <br /> Toluene-d8(Surrogate) BTB0280 BTB0280-BLK1 96.3 % 88-110 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) BTB0280 BTB0280-BLK1 90.4 / 86-115 (LCL-UCL) <br /> Benzene BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.086 <br /> Bromochloromethane <br /> BTB0371 BTB0371-BI-K1 ND ug/L 0.50 0.23 <br /> Bromodichloromethane BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.12 <br /> Bromoform BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.23 <br /> Bromomethane BTB0371 BTB0371-BLK1 ND ug/L 1.0 0.20 <br /> Carbon tetrachloride BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.18 <br /> Chlorobenzene BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.081 <br /> Chloroethane BTBO371 BTB0371-BLK1 ND ug/L 0.50 0.11 <br /> Chloroform BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.072 <br /> Chloromethane BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.11 <br /> Dibromochloromethane BTB0371 BTB0371-BLK1 ND ug/L 0.50 0.077 <br /> 1,2-Dibromo-3-chloropropane BTB0371 BTB0371-BLK1 ND ug/L 1.0 0.44 <br /> The results in this report apply to the sainples 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.Inc.assumes no responsibility for report alteration,separation,detachment or third parry interpretation. <br /> 4100 AUas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 42 of 47 <br /> Certifications: California-ELAP Certification Number 1186, Nevada Administrative Code-NAC-445A <br />