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c Laboratoriesa Inc. IJ <br />—IEEW Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 06/28/2017 15:16 <br />11415 W. Bernardo 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 - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent Lab <br />Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Qualls <br />QC Batch ID: B[F2272 <br />Benzene <br />B[F2272-BS1 <br />LCS <br />27.160 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />Bromodichloromethane <br />B[F2272-BS1 <br />LCS <br />28.860 <br />25.000 <br />ug/L <br />115 <br />70-130 <br />Chlorobenzene <br />B[F2272-BS1 <br />LCS <br />23.470 <br />25.000 <br />ug/L <br />93.9 <br />70-130 <br />Chloroethane <br />B[F2272-BS1 <br />LCS <br />26.740 <br />25.000 <br />ug/L <br />107 <br />70-130 <br />1,4 -Dichlorobenzene <br />B[F2272-BS1 <br />LCS <br />24.230 <br />25.000 <br />ug/L <br />96.9 <br />70-130 <br />1,1-Dichloroethane <br />B[F2272-BS1 <br />LCS <br />28.950 <br />25.000 <br />ug/L <br />116 <br />70-130 <br />1,1-Dichloroethene <br />B[F2272-BS1 <br />LCS <br />31.870 <br />25.000 <br />ug/L <br />127 <br />70-130 <br />Toluene <br />B[F2272-BS1 <br />LCS <br />25.410 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />Trichloroethene <br />B[F2272-BS1 <br />LCS <br />25.900 <br />25.000 <br />ug/L <br />104 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B[F2272-BS1 <br />LCS <br />13.080 <br />10.000 <br />ug/L <br />131 <br />75-125 S09 <br />,IftToluene-d8 (Surrogate) <br />B[F2272-BSI <br />LCS <br />10.140 <br />10.000 <br />ug/L <br />101 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />B[F2272-BS1 <br />LCS <br />11.140 <br />10.000 <br />ug/L <br />111 <br />80-120 <br />[7 <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 fisted 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: 1000620837 4100 Atlas Court Bakersfield, CA 93308 (661) 3274911 FAX (661) 327-1918 www.bclabs.com Page 10 of 12 <br />