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ago <br /> Laboratories Inc. IJ AJ <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 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 : B038372 <br /> Benzene B038372-BS1 LOS 0. 13017 0. 12500 mg/kg 104 70 - 130 <br /> Toluene B038372-BS1 LOS 0. 12583 0. 12500 mg/kg 101 70 " 130 <br /> 1 , 2-Dichloroethane-d4 (Surrogate) B038372-BS1 LOS 0.047190 0. 050000 mg/kg 94.4 70 - 121 <br /> Toluene-d8 (Surrogate) B038372-BS1 LOS 0.048570 0. 050000 mg/kg 97. 1 81 - 117 <br /> 4-Bromofluorobenzene (Surrogate) B038372-BS1 LOS 0.046820 0. 050000 mg/kg 93.6 74 - 121 <br /> QC Batch ID : B038645 <br /> Benzene B038645-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-BSI LCS 0.049560 0. 050000 mg/kg 99. 1 81 - 117 <br /> 4-Bromofluorobenzene (Surrogate) 8038645-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 irate the chain r f custody doctunew . This analytical repmv must be reproduced in ify 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 /> ReportID: 1000856214 4100 Atlas Court Bakersfield , CA 93308 (661 ) 327-4911 FAX (661 ) 327-1918 www, bc[abs.com Page 25 of 30 <br />