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Laboratories Inc. , <br /> Environmental Testing Laboratory Since 1949 <br /> Mark R. Magargee PG,CHg Reported: 02/27/2019 17:09 <br /> 6730 Canaletto Avenue Project: Soil <br /> Bakersfield,CA 93306 Project Number: Sohal#3 <br /> Project Manager: Mark Magargee <br /> Volatile Organic Analysis (EPA Method 82606) <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 Quals <br /> QC Batch ID: B038372 <br /> Benzene 8038372-BS1 LCS 0.13017 0.12500 mg/kg 104 70-130 <br /> Toluene 8038372-BS1 LCS 0.12583 0.12500 mg/kg 101 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) B038372-BS1 LCS 0.047190 0.050000 mg/kg 94.4 70-121 <br /> Toluene-d8(Surrogate) B038372-BS1 LCS 0.048570 0.050000 mg/kg 97.1 81-117 <br /> 4-Bromofluorobenzene(Surrogate) B038372-BS1 LCS 0.046820 0.050000 mg/kg 93.6 74-121 <br /> QC Batch ID: B038645 <br /> Benzene 8038645-BS1 LCS 0.14117 0.12500 mg/kg 113 70-130 <br /> Toluene B038645-BS1 LCS 0.12373 0.12500 mg/kg 99.0 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) B038645-BS1 LCS 0.050160 0.050000 mg/kg 100 70-121 <br /> Toluene-d8(Surrogate) B038645-BS1 LCS 0.049560 0.050000 mg/kg 99.1 81-117 <br /> 4-Bromofluorobenzene(Surrogate) B038645-BS1 LCS 0.048750 0.050000 mg/kg 97.5 74-121 <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: 1000856214 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 25 of 30 <br />