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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 82608 ) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID : B038372 <br /> Benzene B038372-BLK1 ND mg/kg 0.0050 0.0018 <br /> 1 ,2-Dibromoethane B038372-BLK1 ND mg/kg 0.0050 0.0019 <br /> 1 ,2-Dichloroethane B038372-BLKi ND mg/kg 0.0050 0.0017 <br /> Ethylbenzene B038372-BLK1 ND mg/kg 0.0050 0.0022 <br /> Methyl t-butyl ether B038372-BLK1 ND mg/kg 0. 0050 0.0017 <br /> Naphthalene B038372-BLK1 ND mg/kg 0. 0050 0.0023 <br /> Toluene B038372-BLK1 ND mg/kg 0. 0050 0.0020 <br /> Total Xylenes B038372-BLK1 ND mg/kg 0. 010 0.0034 <br /> t-Amyl Methyl ether B038372-BLK1 ND mg/kg 0.0050 0.00017 <br /> t-Butyl alcohol B038372-BLK1 ND mg/kg 0.050 0.0040 <br /> Diisopropyl ether B038372-BLK1 ND mg/kg 0.0050 0.00043 <br /> Ethanol B038372-BLK1 ND mg/kg 1 .0 0. 13 <br /> Ethyl t-butyl ether 8038372-BLK1 ND mg/kg 0.0050 0.00014 <br /> Total Purgeable Petroleum Hydrocarbons B038372-BLK1 ND mg/kg 0.20 0. 13 <br /> 1 ,2-Dichloroethane-d4 (Surrogate) B038372-BLK1 108 % 70 - 121 (LCL - UCL) <br /> Toluene-d8 (Surrogate) 8038372-BLK1 105 % 81 - 117 (LCL - UCL) <br /> 4-Bromofluorobenzene (Surrogate) B038372-BLK1 104 % 74 - 121 (LCL - UCL) <br /> QC Batch ID : 8038645 <br /> Benzene B038645-BLK1 ND mg/kg 0. 0050 0.0018 <br /> 1 ,2-Dibromoethane 8038645-BLK1 ND mg/kg 0. 0050 0.0019 <br /> 1 , 2-Dichloroethane B038645-BLK1 ND mg/kg 0.0050 OA017 <br /> Ethylbenzene B038645-BLK1 ND mg/kg 0.0050 0.0022 <br /> Methyl t-butyl ether B038645-BLK1 ND mg/kg 0.0050 0.0017 <br /> Naphthalene 8038645-BLK1 ND mg/kg 0.0050 0.0023 <br /> Toluene 8038645-BLK1 ND mg/kg 0.0050 0.0020 <br /> Total Xylenes B038645-BLK1 ND mg/kg 0.010 0.0034 <br /> t-Amyl Methyl ether B038645-BLK1 ND mg/kg 0.0050 0.00017 <br /> t-Butyl alcohol B038645-BLK1 ND mg/kg 0.050 0.0040 <br /> Diisopropyl ether B038645-BLK1 ND mg/kg 0. 0050 0.00043 <br /> Ethanol B038645-BLK1 ND mg/kg 1 . 0 0. 13 <br /> Ethyl t-butyl ether B038645-BLK1 ND mg/kg 0. 0050 0.00014 <br /> Total Purgeable Petroleum Hydrocarbons B038645-BLK1 ND mg/kg 0. 20 0. 13 <br /> 1 ,2-Dichloroethane-t!4 (Surrogate) 8038645-BLK1 103 % 70 - 121 (LCL - UCL) <br /> The re.srrlts• in this report apply to the samples analy_ed in accordance with the chain of custody document. This analytical report must be repmduced in its en irwy. <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 ) 3274911 FAX (661 ) 327- 1918 www, bclabs.com Page 23 of 30 <br />