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10�Laboratories Inc. i1: <br />Environmental Testing Laboratory Since 1949 <br />Geologic Associates Reported: 04/14/2016 17:19 <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 82606) <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 Quals <br />QC Batch ID: BZC3027 <br />Used client sample: <br />N <br />Benzene <br />MS <br />1607274-47 <br />ND <br />21.610 <br />25.000 <br />ug/L <br />86.4 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />20.640 <br />25.000 <br />ug/L <br />4.6 <br />82.6 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1607274-47 <br />ND <br />25.740 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />24.700 <br />25.000 <br />ug/L <br />4.1 <br />98.8 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1607274-47 <br />ND <br />23.260 <br />25.000 <br />ug/L <br />93.0 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />22.480 <br />25.000 <br />ug/L <br />3.4 <br />89.9 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />160727447 <br />ND <br />24.550 <br />25.000 <br />ug/L <br />98.2 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />21.610 <br />25.000 <br />ug/L <br />12.7 <br />86.4 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1607274-47 <br />ND <br />22.110 <br />25.000 <br />ug/L <br />88.4 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />21.850 <br />25.000 <br />ug/L <br />1.2 <br />87.4 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />160727447 <br />ND <br />23.710 <br />25.000 <br />ug/L <br />94.8 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />22.470 <br />25.000 <br />ug/L <br />5.4 <br />89.9 <br />20 <br />70-130 <br />Dichloroethene <br />MS <br />1607274-47 <br />ND <br />28.910 <br />25.000 <br />ug/L <br />116 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />27.580 <br />25.000 <br />ug/L <br />4.7 <br />110 <br />20 <br />70-130 <br />Toluene <br />MS <br />1607274-47 <br />ND <br />24.020 <br />25.000 <br />ug/L <br />96.1 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />22.930 <br />25.000 <br />ug/L <br />4.6 <br />91.7 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1607274-47 <br />ND <br />26.920 <br />25.000 <br />ug/L <br />108 <br />70-130 <br />MSD <br />1607274-47 <br />ND <br />26.420 <br />25.000 <br />ug/L <br />1.9 <br />106 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1607274-47 <br />ND <br />10.080 <br />10.000 <br />ug/L <br />101 <br />75-125 <br />MSD <br />160727447 <br />ND <br />9.7100 <br />10.000 <br />ug/L <br />3.7 <br />97.1 <br />75- 125 <br />Toluene -d8 (Surrogate) <br />MS <br />1607274-47 <br />ND <br />9.8200 <br />10.000 <br />ug/L <br />98.2 <br />80-120 <br />MSD <br />1607274-47 <br />ND <br />9.7900 <br />10.000 <br />ug/L <br />0.3 <br />97.9 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1607274-47 <br />ND <br />9.6600 <br />10.000 <br />ug/L <br />96.6 <br />80-120 <br />MSD <br />1607274-47 <br />ND <br />9.7900 <br />10.000 <br />ug/L <br />1.3 <br />97.9 <br />80-120 <br />QC Batch ID: BZD0080 <br />Used client sample: <br />N <br />Benzene <br />MS <br />1607274-52 <br />ND <br />21.110 <br />25.000 <br />ug/L <br />84.4 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />20.700 <br />25.000 <br />ug/L <br />2.0 <br />82.8 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1607274-52 <br />ND <br />24.690 <br />25.000 <br />ug/L <br />98.8 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />24.230 <br />25.000 <br />ug/L <br />1.9 <br />96.9 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1607274-52 <br />ND <br />22.270 <br />25.000 <br />ug/L <br />89.1 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />22.390 <br />25.000 <br />ug/L <br />0.5 <br />89.6 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1607274-52 <br />ND <br />23.700 <br />25.000 <br />ug/L <br />94.8 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />23.320 <br />25.000 <br />ug/L <br />1.6 <br />93.3 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1607274-52 <br />ND <br />21.090 <br />25.000 <br />ug/L <br />84.4 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />21.440 <br />25.000 <br />ug/L <br />1.6 <br />85.8 <br />20 <br />70-130 <br />1 1-Michloroethane <br />MS <br />1607274-52 <br />ND <br />23.170 <br />25.000 <br />ug/L <br />92.7 <br />70-130 <br />MSD <br />1607274-52 <br />ND <br />22.390 <br />25.000 <br />ug/L <br />3.4 <br />89.6 <br />20 <br />70-130 <br />The results in this report apply to <br />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 <br />for the exclusive <br />use of the submitting parry. BC Laboratories, <br />loc. assumes <br />no responsibility <br />for report alteration, separation, detachment or third <br />parry interpretation. <br />Report ID: 1000471313 <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 <br />FAX (661) 327-1918 www.bclabs.com <br />Page 24 of 29 <br />