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1� Laboratories, Inc. <br />lkEnvironmental Testing Laboratory Since 1949 <br />PG'eologic 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 />Volatile Organic Analysis (EPA Method 826013) <br />Quality Control Report - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent Lab <br />Constituent OC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br />JQC Batch ID: B[H1969 <br />Benzene <br />I <br />B[H1969-BS1 <br />LCS <br />22.320 <br />25.000 <br />ug/L <br />89.3 <br />70-130 <br />Bromodichloromethane <br />B[H1969-BS1 <br />LCS <br />29.140 <br />25.000 <br />ug/L <br />117 <br />70-130 <br />Chlorobenzene <br />B[H1969-BS1 <br />LCS <br />23.500 <br />25.000 <br />ug/L <br />94.0 <br />70-130 <br />Chloroethane <br />B[H1969-BS1 <br />LCS <br />23.050 <br />25.000 <br />ug/L <br />92.2 <br />70-130 <br />1,4 -Dichlorobenzene <br />B[H1969-BS1 <br />LCS <br />24.600 <br />25.000 <br />ug/L <br />98.4 <br />70-130 <br />1,1-Dichloroethane <br />B[H1969-BS1 <br />LCS <br />24.360 <br />25.000 <br />ug/L <br />97.4 <br />70-130 <br />1,1-Dichloroethene <br />BCH 1 969-BSl <br />LCS <br />26.780 <br />25.000 <br />ug/L <br />107 <br />70-130 <br />Toluene <br />B[H1969-BS1 <br />LCS <br />25.180 <br />25.000 <br />ug/L <br />101 <br />70-130 <br />Trichloroethene <br />B[H1969-BS1 <br />LCS <br />27.140 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B[H1969-BS1 <br />LCS <br />10.900 <br />10.000 <br />ug/L <br />109 <br />75 - 125_ <br />,Lcluene-c!8 (Surrogate) <br />B[H1969-BS1 <br />LCS <br />10.240 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />uorobenzene (Surrogate) <br />B[H1969-BS1 <br />LCS <br />9.5300 <br />10,000 <br />ug/L <br />95.3 <br />80-120 <br />The results in 1his report appiii, to the samples analYzed in accordance woh the choin ot' cusiodi; document This analytical report must he rLproduced in MY entirely. <br />All results I isted in this report are for the exclusive use of the submitting party BC Laboratories, Inc, assumes no responsibt I ity for report alteration, separation, detachment or third party interpretation <br />Report ID: 1000641231 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.bclabs.com Page 63 of 69 <br />