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c Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 06/28/2017 16:04 <br /> 11415 W.Bernardo Ct,Ste 220 Project: Forward LF Domestic Well Sampling <br /> San Diego,CA 92127 Project Number: S017.1030 <br /> Project Manager: Bill Lopez <br /> Volatile Organic Analysis (EPA Method 826013) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Qualls <br /> QC Batch[D: B[F2272 <br /> Tetrachloroethene B[F2272-BLK1 ND ug/L 0.50 0.13 <br /> Toluene B[F2272-BLK1 ND ug/L 0.50 0.093 <br /> 1,2,4-Trichlorobenzene B[F2272-BLK1 ND ug/L 0.50 0.19 <br /> 1,1,1-Trichloroethane B[F2272-BLK1 ND ug/L 0.50 0.11 <br /> 1,1,2-Trichloroethane B[F2272-BLK1 ND ug/L 0.50 0.16 <br /> Trichloroethene B[F2272-BLK1 ND ug/L 0.50 0.085 <br /> Trichlorofluoromethane B[F2272-BLK1 ND ug/L 0.50 0.13 <br /> 1,2,3-Trichloropropane B[F2272-BLK1 ND ug/L 1.0 0.24 <br /> Vinyl chloride B[F2272-BLK1 ND ug/L 0.50 0.12 <br /> Total Xylenes B[F2272-BLK1 ND ug/L 1.0 0.36 <br /> Acetone B[F2272-BLK1 ND ug/L 10 4.6 <br /> Acrylonitrile B[F2272-BLK1 ND ug/L 5.0 ---- 1.2 <br /> t-Amyl Methyl ether B[F2272-BLK1 ND ug/L 0.50 0.25 <br /> t-Butyl alcohol B[F2272-BLK1 ND ug/L 10 9.4 <br /> Carbon disulfide B[F2272-BLK1 ND ug/L 1.0 0.38 <br /> trans-1,4-Dichloro-2-butene B[F2272-BLK1 ND ug/L 5.0 1.4 <br /> Diisopropyl ether B[F2272-BLK1 ND ug/L 0.50 0.23 <br /> Ethanol B[F2272-BLK1 ND ug/L 250 50 <br /> Ethyl t-butyl ether B[F2272-BLK1 ND ug/L 0.50 0.18 <br /> 2-Hexanone B[F2272-BLK1 ND ug/L 10 3.4 <br /> Methyl ethyl ketone B[F2272-BLK1 ND ug/L 10 2.5 <br /> ---- - ---- ----------- <br /> Methyl iodide B[F2272-BLK1 ND ug/L 2.0 0.47 <br /> Methyl isobutyl ketone B[F2272-BLK1 ND ug/L 10 2.1 <br /> Vinyl acetate B[F2272-BLK1 ND ug/L 10 1.8 <br /> 1,2-Dichloroethane-d4(Surrogate) B[F2272-BLK1 123 % 75-125 (LCL-UCL) <br /> Toluene-d8(Surrogate) B[F2272-BLK1 104 % 80-120 (LCL-UCL) <br /> 4-Bromofluorobenzene(Surrogate) B[F2272-BLK1 113 % 80-120 (LCL-UCL) <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: 1000620894 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 9 of 12 <br />