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i <br /> Laboratories Inc. . <br /> Environmental Testing Laboratory Since 1949 <br /> Mark R . Magargee PG , CHg Reported : 02/25/2019 11 :45 <br /> 6730 Canaletto Avenue Project: General <br /> Bakersfield , CA 93306 Project Number: Sohal #3 <br /> Project Manager: Mark Magargee <br /> Volatile Organic Analysis ( EPA Method 826013 ) <br /> BCL Sample ID : 1904878-12 Client Sample Name : ED4 , 2/13/2019 11 :50 : OOAM <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Qualls Run # <br /> Benzene ND mg/kg 0. 0050 0.0013 EPA-82608 ND 1 <br /> 1 ,2-Dibromoethane ND mg/kg 0.0050 0. 0010 EPA-8260B ND 1 <br /> 1 ,2-Dichloroethane ND mg/kg 0. 0050 0. 00085 EPA-8260B ND 1 <br /> Ethylbenzene ND mg/kg 0.0050 0. 0015 EPA-8260B ND 1 <br /> Methyl t-butyl ether ND mg/kg 0. 0050 0.00050 EPA-8260B ND 1 <br /> Naphthalene ND mg/kg 0. 0050 0. 0014 EPA-8260B ND 1 <br /> Toluene ND mg/kg 0. 0050 0. 0012 EPA-82608 ND 1 <br /> Total Xylenes ND mg/kg 0. 010 0.0034 EPA-8260B ND 1 <br /> t-Amyl Methyl ether ND mg/kg 0.0050 0. 00056 EPA-8260B ND <br /> t-Butyl alcohol ND mg/kg 0. 050 0.017 EPA-8260B ND <br /> Diisopropyl ether ND mg/kg 0.0050 0. 00080 EPA-8260B ND 1 <br /> Ethanol ND mg/kg t . 0 0. 066 EPA-8260B ND 1 <br /> Ethyl t-butyl ether ND mg/kg 0. 0050 0. 00022 EPA-8260B ND 1 <br /> Total Purgeable Petroleum ND mg/kg 0.20 0. 020 Luft-GC/MS ND 1 <br /> Hydrocarbons <br /> 1 ,2-Dichloroethane-d4 (Surrogate) 129 % 70 - 121 (LCL - UCL) EPA-8260B S09 1 <br /> Toluene-d8 (Surrogate) 97. 8 % 81 - 117 (LCL - UCL) EPA-82608 1 <br /> 4-Bromofluorobenzene (Surrogate) 89. 1 % 74 - 121 (LCL - UCL) EPA-82608 1 <br /> Run QC <br /> Run # Method Prep Date Date/Time Analyst Instrument Dilution Batch ID <br /> 1 EPA-8260B 02/15/19 07:46 02/16/19 00:43 ADC MS42 1 B037856 <br /> The results in this report apply to the samples analysed in accordance frith the chain of crrwody doe ntew . Thiv analytical report ntrert 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: 1000854621 4100 Atlas Court Bakersfield , CA 93308 (661 ) 3274911 FAX (661 ) 327-1918 www, bclabs.com Page 30 of 40 <br />