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Laboratories Inc. I . <br /> Environmental Testing Laboratory Since 1949 <br /> haw Reported: 02/18/2013 14:19 <br /> 180 Promenade Circle,Suite 320 Project: Harney Lane,S.J.County <br /> Sacramento,CA 95834 Project Number. 139866-Annual <br /> Project Manager: Sheila Richgels <br /> Volatile Organic Analysis (EPA Method 8260) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID: BWB0146 <br /> Methacrylonitrile BWB0146-BLK1 ND ug/L 10 1.7 <br /> Methyl ethyl ketone BWB0146-BLK1 ND ug/L 10 2.5 <br /> Methyl iodide BWB0146-BLK1 ND ug/L 2.0 0.47 <br /> Methyl isobutyl ketone BWBO146-BLK1 ND ug/L 10 2.1 <br /> Methyl methacrylate BWB0146-BLK1 ND ug/L 5.0 1.5 <br /> Propionitrile BWB0146-BLK1 ND ug/L 20 4.2 <br /> 1,2-Dichloroethane-d4(Surrogate) BWB0146-BLK1 113 % 75-125 (LCL-UCL) <br /> Toluene-d8(Surrogate) BWB0146-BLK1 100 % 80-120 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) BWB0146-BLK1 99.5 % 80-120 (LCL-UCL) <br /> QC Batch ID: BWB0147 <br /> Benzene BWB0147-BLK1 ND ug/L 0.50 0.083 <br /> AdMILrnmr,berizene BWBO147-BLK1 ND ug/L 0.50 0.13 <br /> mochloromethane BWB0147-BLK1 ND ug/L 0.50 0.24 <br /> Bromodichloromethane BWB0147-BLK1 ND ug/L 0.50 0.14 <br /> Bromoform BWB0147-BLK1 ND ug/L 0.50 0.27 <br /> Bromomethane BWBO147-BLKI ND ug/L 1.0 0.25 <br /> n-Butylbenzene BWB0147-BLK1 ND ug/L 0.50 0.11 <br /> sec-Butylbenzene BWBO147-BLK1 ND ug/L 0.50 0.15 <br /> tert-Butylbenzene BWBO147-BLK1 ND ug/L 0.50 0.13 <br /> Carbon tetrachloride BWB0147-BLK1 ND ug/L 0.50 0.18 <br /> Chlorobenzene BWBO147-BLK1 ND ug/L 0.50 0.093 <br /> Chloroethane BWBO147-BLK1 ND ug/L 0.50 0.14 <br /> Chloroform BWBO147-BLK1 ND ug/L 0.50 0.12 <br /> Chloromethane BWB0147-BLK1 ND ug/L 0.50 0.14 <br /> Dibromochloromethane BWB0147-BLK1 ND ug/L 0.50 0.13 <br /> 1,2-Dibromo-3-chloropropane BWB0147-BLK1 ND ug/L 1.0 0.44 <br /> 1,2-Dibromoethane BWB0147-BLK1 ND ug/L 0.50 0.16 <br /> Dibromomethane BWB0147-BLK1 ND ug/L 0.50 0.24 <br /> 1,2-Dichlorobenzene BWB0147-BLK1 ND ug/L 0.50 0.072 <br /> 1,3-Dichlorobenzene BWB0147-BLK1 ND ug/L 0.50 0.15 <br /> 1,4-Dichlorobenzene BWBO147-BLK1 ND ug/L 0.50 0.062 <br /> Dichlorodifluoromethane BWB0147-BLK1 ND ug/L 0.50 0.099 <br /> -1-Dichloroethane BWB0147-BLK1 ND ug/L 0.50 0.11 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This ana46cal 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 party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 39 of 49 <br />