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Laboratories, Inc. <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 08/24/2017 21:14 <br />11415 W. Bernardo Ct, Ste 220 Project: French Camp <br />San Diego, CA 92127 Project Number: Semi Annual <br />Project Manager: Sarah Battelle <br />� • it • O M 1 <br />Quality Control Report - Method Blank Analysis <br />(Constituent <br />QC Sample ID <br />MB Result <br />Units <br />PQL MDL Lab Quals <br />QC Batch ID: B[H1969 <br />Methyl methacrylate <br />B[H1969-BLK1 <br />ND <br />ug/L <br />5.0 1.5 <br />Propionitrile <br />B[H1969-BLK1 <br />ND <br />ug/L <br />20 4.2 <br />Vinyl acetate <br />B[H1969-BLK1 <br />ND <br />ug/L <br />10 1.8 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B[H1969-BLK1 <br />107 <br />% <br />75 -125 (LCL - UCL) <br />Toluene -d8 (Surrogate) <br />B[H1969-BLK1 <br />100 <br />% <br />80 -120 (LCL - UCL) <br />4-Bromofluorobenzene (Surrogate) <br />B[H1969-BLK1 <br />96.5 <br />% <br />80 - 120 (LCL - UCL) <br />The results in this report apply to the samples analyzed in accordance with the chain of custodv document. This analytical report musl be reproduced in its entirety. <br />All results listed in this report are for the exclusive use of the submitting parry. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. <br />Report ID: 1000641231 4100 Ages Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 62 of 69 <br />