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Laboratories Inc.-M I �1 <br /> Environmental Testing Laboratory Since 1949 <br /> W Reported: 01/25/2012 15:04 <br /> 180 Promenade Circle,Suite 320 Project: North County LF,SJ County <br /> Sacramento,CA 95834 Project Number. 139874 <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: BVA0625 <br /> Vinyl acetate BVA0625-BLK1 ND ug/L 10 1.8 <br /> 1,2-Dichloroethane-d4(Surrogate) BVA0625-BLK1 101 % 76-114 (LCL-UCL) <br /> Toluene-d8(Surrogate) BVA0625-BLK1 100 % 88-110 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) BVA0625-BLK1 97.7 % 86-115 (LCL-UCL) <br /> QC Batch ID: BVA0792 <br /> Benzene BVA0792-BLK1 ND ug/L 0.50 0.083 <br /> Bromobenzene BVA0792-BLK1 ND ug/L 0.50 0.13 <br /> Bromochloromethane BVA0792-BLK1 ND ug/L 0.50 0.24 <br /> Bromodichloromethane BVA0792-BLK1 ND ug/L 0.50 0.14 <br /> Bromoform BVA0792-BLK1 ND ug/L 0.50 0.27 <br /> Bromomethane BVA0792-BLK1 ND ug/L 1.0 0.25 <br /> tylbenzene BVA0792-BLK1 ND ug/L 0.50 0.11 <br /> Butylbenzene BVA0792-BLK1 ND ug/L 0.50 0.15 <br /> tert-Butylbenzene BVA0792-BLK1 ND ug/L 0.50 0.13 <br /> Carbon tetrachloride BVA0792-BLK1 ND ug/L 0.50 0.18 <br /> Chlorobenzene BVA0792-BLK1 ND ug/L 0.50 0.093 <br /> Chloroethane BVA0792-BLK1 ND ug/L 0.50 0.14 <br /> Chloroform BVA0792-BLK1 ND ug/L 0.50 0.12 <br /> Chloromethane BVA0792-BLK1 ND ug/L 0.50 0.14 <br /> 2-Chlorotoluene BVA0792-BLK1 ND ug/L 0.50 0.20 <br /> 4-Chlorotoluene BVA0792-BLK1 ND ug/L 0.50 0.15 <br /> Dibromochloromethane BVA0792-BLK1 ND ug/L 0.50 0.13 <br /> 1,2-Dibromo-3-chloropropane BVA0792-BLK1 ND ug/L 1.0 0.44 <br /> 1,2-Dibromoethane BVA0792-BLK1 ND ug/L 0.50 0.16 <br /> Dibromomethane BVA0792-BLK1 ND ug/L 0.50 0.24 <br /> 1,2-Dichlorobenzene BVA0792-BLK1 ND ug/L 0.50 0.072 <br /> 1,3-Dichlorobenzene BVA0792-BLK1 ND ug/L 0.50 0.15 <br /> 1,4-Dichlorobenzene BVA0792-BLK1 ND ug/L 0.50 0.062 <br /> Dichlorodifluoromethane BVA0792-BLK1 ND ug/L 0.50 0.099 <br /> 1,1-Dichloroethane BVA0792-BLK1 ND ug/L 0.50 0.11 <br /> 1,2-Dichloroethane BVA0792-BLK1 ND ug/L 0.50 0.17 <br /> 1,1-Dichloroethene BVA0792-BLK1 ND ug/L 0.50 0.18 <br /> Dichloroethene BVA0792-BLK1 ND ug/L 0.50 0.085 <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 30 of 40 <br />