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_%WLaboratories, Inc. I <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 03/17/2015 10:21 <br />11415 W. Bernardo Ct, Ste 220 Project: French Camp <br />San Diego, CA 92127 Project Number: [none] <br />Project Manager: Bill Lopez <br />Volatile Organic Analysis (ERA Method 826013) <br />Quality Control Report - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent Lab <br />Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Qualls <br />QC Batch ID: BYC0655 <br />Benzene <br />BYC0655-BSI <br />LCS <br />25.791 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />Bromodichloromethane <br />BYC0655-BSI <br />LCS <br />23.113 <br />25.000 <br />ug/L <br />92.5 <br />70-130 <br />Chlorobenzene <br />BYC0655-BS1 <br />LCS <br />21.821 <br />25.000 <br />ug/L <br />87.3 <br />70-130 <br />Chloroethane <br />BYC0655-BSI <br />LCS <br />26.715 <br />25.000 <br />ug/L <br />107 <br />70-130 <br />1,4 -Dichlorobenzene <br />BYC0655-BS1 <br />LCS <br />21.238 <br />25.000 <br />ug/L <br />85.0 <br />70-130 <br />1,1-Dichloroethane <br />BYC0655-BSI <br />LCS <br />25.924 <br />25.000 <br />ug/L <br />104 <br />70-130 <br />1,1-Dichloroethene <br />BYC0655-BS1 <br />LCS <br />27.611 <br />25.000 <br />ug/L <br />110 <br />70-130 <br />Toluene <br />BYC0655-BSI <br />LCS <br />24.051 <br />25.000 <br />ug/L <br />96.2 <br />70-130 <br />Trichloroethene <br />BYC0655-BSI <br />LCS <br />27.812 <br />25.000 <br />ug/L <br />111 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />BYC0655-BS1 <br />LCS <br />10.170 <br />10.000 <br />ug/L <br />102 <br />75-125 <br />Toluene -d8 (Surrogate) <br />BYC0655-BS1 <br />LCS <br />10.150 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />BYC0655-BSI <br />LCS <br />9.8000 <br />10.000 <br />ug/L <br />98.0 <br />80-120 <br />i <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must he 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: 1000334955 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 wrww.bclabs.com Page 27 of 32 <br />