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7WLaboratories Inc. 14j, <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 06/28/2017 13:06 <br />11415 W. Bemardo Ct, Ste 220 Project: Forward LF Domestic Well Sampling <br />San Diego, CA 92127 Project Number: S017.1030 <br />Project Manager: Bill Lopez <br />Volatile Organic Analysis (EPA Method 826013) <br />Quality Control Report - Method Blank Analysis <br />Constituent QC Sample ID MB Result Units PQL MDL Lab Qualls <br />QC Batch ID: B[F2260 <br />Benzene B[F2260-BLK1 ND ug/L 0.50 0.083 <br />Bromochloromethane B[F2260-BLK1 ND ug/L 0.50 0.24 <br />Bromodichloromethane B[F2260-BLK1 ND ug/L 0.50 0.14 <br />Bromoform B[F2260-BLK1 ND ug/L 0.50 0.27 <br />Bromomethane B[F2260-BLK1 ND ug/L 1.0 0.25 <br />Carbon tetrachloride B[F2260-BLK1 ND ug/L 0.50 0.18 <br />Chlorobenzene B[F2260-BLK1 ND ug/L 0.50 0.093 <br />Chloroethane B[F2260-BLK1 ND ug/L 0.50 0.14 <br />Chloroform B[F2260-BLK1 ND ug/L 0.50 0.12 <br />Chloromethane B[F2260-BLK1 ND ug/L 0.50 0.14 <br />Dibromochloromethane B[F2260-BLK1 ND ug/L 0.50 0.13 <br />01,2-Dibromo-3-chloropropane <br />B[F2260-BLK1 ND ug/L _1.0 0.44 <br />,2-Dibromoethane B[F2260-BLK1 ND ug/L 0.50 0.16 <br />Dibromomethane B[F2260-BLK1 ND ug/L 0.50 0.24 <br />1,2-Dichlorobenzene B[F2260-BLK1 ND ug/L 0.50 0.072 <br />1,3-Dichlorobenzene B[F2260-BLK1 ND ug/L 0.50 0.15 <br />1,4-Dichlorobenzene B[F2260-BLK1 ND ug/L 0.50 0.062 <br />Dichlorodifluoromethane B[F2260-BLK1 ND ug/L 0.50 0.099 <br />1, 1 -Dichloroethane B[F2260-BLK1 ND ug/L 0.50 0.11 <br />1,2-Dichloroethane B[F2260-BLK1 ND ug/L 0.50 0.17 <br />1,1-Dichloroethene B[F2260-BLK1 ND ug/L 0.50 0.18 <br />cis-1,2-Dichioroethene B[F2260-BLK1 ND ug/L 0.50 0.085 <br />trans-1,2-Dichloroethene B[F2260-BLK1 ND ug/L 0.50 0.15 <br />1,2-Dichloropropane B[F2260-BLK1 ND ug/L 0.50 0.13 <br />cis-1,3-Dichloropropene B[F2260-BLK1 ND ug/L 0.50 0.14 <br />trans-1,3-Dichloropropene B[F2260-BLK1 ND ug/L 0.50 0.079 <br />Ethyibenzene B[F2260-BLK1 ND ug/L 0.50 0.098 <br />Hexachlorobutadiene B[F2260-BLK1 ND ug/L 0.50 0.17 <br />Methylene chloride B[F2260-BLK1 ND ug/L 1.0 0.48 <br />Methyl t-butyl ether B[F2260-BLK1 ND ug/L 0.50 0.11 <br />Naphthalene B[F2260-BLK1 ND ug/L 0.50 0.36 <br />Styrene B[F2260-BLK1 ND ug/L 0.50 0.068 <br />,1,1,2-Tetrachloroethane B[F2260-BLK1 ND ug/L 0.50 0.18 <br />'MW <br />1,1,2,2-Tetrachloroethane B[F2260-BLK1 ND ug/L 0.50 0.17 <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 party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. <br />Report ID: 1000620696 4100 Atlas Court Bakersfield, CA 93308 (661) 3274911 FAX (661) 327-1918 www.bclabs.com Page 8 of 12 <br />