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Laboratories, Inc. <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 06/28/2017 14:09 <br />11415 W. Bemardo Ct, Ste 220 Project: Forward LF Domestic Well Sampling <br />San Diego, CA 92127 Project Number: SO17.1030 <br />Project Manager: Bill Lopez <br />01711!, • • ` 11 - • • <br />Quality Control Report - Method Blank Analysis <br />Constituent QC Sample ID MB Result Units PQL MDL . Lab Qualls <br />I QC Batch ID: BIF2271 J <br />Tetrachioroethene <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />Toluene <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.093 <br />1,2,4-Tdchlorobenzene <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.19 <br />1,1,1 -Trichloroethane <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.11 <br />1,1,2 -Trichloroethane <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.16 <br />Trichloroethene <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.085 <br />Trichlorofluoromethane <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.13 <br />1,2,3-Tdchloropropane <br />B[F2271-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.24 <br />Vinyl chloride <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.12 <br />Total Xylenes <br />B[F2271-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.36 <br />Acetone <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />4.6 <br />crylonftrile _ - <br />,-Amyl Methyl ether <br />--_ _B[F2271-BLK1 <br />B[F2271-BLK1 <br />ND - <br />ND <br />ug/L <br />ug/L <br />-_ 5.0 <br />0.50 <br />1.2 <br />0.25 <br />t -Butyl alcohol <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />9.4 <br />Carbon disulfide <br />B[F2271-BLK1 <br />ND <br />ug/L <br />1.0 <br />0.38 <br />trans-1,4-Dichloro-2-butene <br />B[F2271-BLK1 <br />ND <br />ug/L <br />5.0 <br />1.4 <br />Diisopropyl ether <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.23 <br />Ethanol <br />B[F2271-BLK1 <br />ND <br />ug/L <br />250 <br />50 <br />Ethyl t -butyl ether <br />B[F2271-BLK1 <br />ND <br />ug/L <br />0.50 <br />0.18 <br />2-Hexanone <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />3.4 <br />Methyl ethyl ketone <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />2.5 <br />Methyl iodide <br />B[F2271-BLK1 <br />ND <br />ug/L <br />2.0 <br />0.47 <br />Methyl isobutyl ketone <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />2.1 <br />Vinyl acetate <br />B[F2271-BLK1 <br />ND <br />ug/L <br />10 <br />1.8 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B[F2271-BLK1 <br />93.5 <br />% <br />75 -125 (LCL - UCL) <br />Toluene -d8 (Surrogate) <br />B[F2271-BLK1 <br />100 <br />% <br />80 -120 (LCL - UCL) <br />4-Bromofluorobenzens (Surrogate) <br />B[F2271-BLK1 <br />94.7 <br />% <br />80 -120 (LCL - UCL) <br />v <br />The results in this report apply to the samples analyzed in accordance with the chain of eustody 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: 1000620781 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 9 of 12 <br />