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1 <br />IM��Envirotnme�ntaltTetstingnc�1949 <br />, <br />ince <br />Geologic Associates Reported: 12/27/2016 18:04 <br />11415 W. Bernardo Ct, Ste 220 Project: Forward Landfill - Monthly A.S. Tower <br />San Diego, CA 92127 Project Number: [none] <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 <br />QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br />QC Batch ID: BZL1952 <br />Benzene <br />BZL1952-BS1 LCS 23.660 25.000 ug/L 94.6 70-130 <br />Bromodichloromethane <br />BZL1952-BS1 LCS 23.380 25.000 ug/L 93.5 70-130 <br />Chlorobenzene <br />BZL1952-BS1 LCS 23.040 25.000 ug/L 92.2 70-130 <br />Chloroethane <br />BZL1952-BS1 LCS 25.270 25.000 ug/L 101 70-130 <br />1,4 -Dichlorobenzene <br />BZLI952-BS1 LCS 22.670 25.000 ug/L 90.7 70-130 <br />1,1-Dichloroethane <br />BZL1952-BS1 LCS 23.490 25.000 ug/L 94.0 70-130 <br />1,1-Dichloroethene <br />BZLI952-BSI LCS 25.460 25.000 ug/L 102 70-130 <br />Toluene <br />BZL1952-BS1 LCS 23.600 25.000 ug/L 94.4 70-130 <br />Trichloroethene <br />BZL1952-BSI LCS 23.550 25.000 ug/L 94.2 70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />BZL1952-BS1 LCS 9.7100 10.000 ug/L 97.1 75-125 <br />Toluene -d8 (Surrogate) <br />BZL1952-BS1 LCS 9.9000 10.000 ug/L 99.0 80-120 <br />4-Bromofluorobenzene (Surrogate) <br />BZL1952-BS1 LCS 10.080 10.000 ug/L 101 80-120 <br />The results in this report apply to the samples analyzed in accordance with the chain ofcustody document. This analytical report must be reproduced in its entirety. <br />All results listed in this report we 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: 1000557340 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 10 of 12 <br />' <br />