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Environmental Testing Laboratory Since 1949 <br />eologic 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 (EPA Method 826013) <br />Quality Control Report - Precision & Accuracy <br />Control Limits <br />Source Source Spike Percent Percent Lab <br />Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Qualls <br />QC Batch ID: BYC0655 <br />Used <br />client sample: <br />N <br />Benzene <br />MS <br />1505164-01 <br />ND <br />26.498 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />25.803 <br />25.000 <br />ug/L <br />2.7 <br />103 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1505164-01 <br />ND <br />23.077 <br />25.000 <br />ug/L <br />92.3 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />22.720 <br />25.000 <br />ug/L <br />1.6 <br />90.9 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1505164-01 <br />ND <br />21.713 <br />25.000 <br />ug/L <br />86.9 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />21.524 <br />25.000 <br />ug/L <br />0.9 <br />86.1 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1505164-01 <br />ND <br />27.228 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />27.203 <br />25.000 <br />ug/L <br />0.1 <br />109 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1505164-01 <br />ND <br />21.151 <br />25.000 <br />ug/L <br />84.6 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />20.820 <br />25.000 <br />ug/L <br />1.6 <br />83.3 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1505164-01 <br />ND <br />26.562 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />26.122 <br />25.000 <br />ug/L <br />1.7 <br />104 <br />20 <br />70-130 <br />Dichloroethene <br />MS <br />1505164-01 <br />ND <br />28.080 <br />25.000 <br />ug/L <br />112 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />27.618 <br />25.000 <br />ug/L <br />1.7 <br />110 <br />20 <br />70-130 <br />Toluene <br />MS <br />1505164-01 <br />ND <br />24.135 <br />25.000 <br />ug/L <br />96.5 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />23.819 <br />25.000 <br />ug/L <br />1.3 <br />95.3 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1505164-01 <br />ND <br />24.068 <br />25.000 <br />ug/L <br />96.3 <br />70-130 <br />MSD <br />1505164-01 <br />ND <br />23.652 <br />25.000 <br />ug/L <br />1.7 <br />94.6 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1505164-01 <br />ND <br />9.8300 <br />10.000 <br />ug/L <br />98.3 <br />75-125 <br />MSD <br />1505164-01 <br />ND <br />9.7500 <br />10.000 <br />ug/L <br />0.8 <br />97.5 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1505164-01 <br />ND <br />10.010 <br />10.000 <br />ug/L <br />100 <br />80-120 <br />MSD <br />1505164-01 <br />ND <br />10.030 <br />10.000 <br />ug/L <br />0.2 <br />100 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1505164-01 <br />ND <br />9.7400 <br />10.000 <br />ug/L <br />97.4 <br />80-120 <br />MSD <br />1505164-01 <br />ND <br />9.7100 <br />10.000 <br />ug/L <br />0.3 <br />97.1 <br />80-120 <br />F <br />The results in this report apply to the samples analyzed in accordance with the chain ol"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: 1000334955 4100 Atlas Court Bakersfield, CA 93308 (661) 3274911 FAX (661) 327-1918 www.bclabs.com Page 28 of 32 <br />