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U, LaboratoriesInc. I <br />Environmental Testing Laboratory Since 1949 <br />CB&I Reported: 02/03/2014 16:20 <br />180 Promenade Circle, Suite 320 Project: Harney Lane, S.J. County <br />Sacramento, CA 95834 Project Number. 149273 <br />Project Manager. Sheila Richgels <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 Quals <br />r- <br />LI <br />QC Batch ID: BXA1203 <br />Used client sample: N <br />1 <br />Benzene <br />MS <br />1400811-14 <br />ND <br />23.920 <br />25.000 <br />ug/L <br />95.7 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />23.060 <br />25.000 <br />ug/L <br />3.7 <br />92.2 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1400811-14 <br />ND <br />22.870 <br />25.000 <br />ug/L <br />91.5 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />22.710 <br />25.000 <br />ug/L <br />0.7 <br />90.8 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1400811-14 <br />ND <br />23.300 <br />25.000 <br />ug/L <br />93.2 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />22.570 <br />25.000 <br />ug/L <br />3.2 <br />90.3 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1400811-14 <br />ND <br />17.600 <br />25.000 <br />ug/L <br />70.4 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />23.830 <br />25.000 <br />ug/L <br />30.1 <br />95.3 <br />20 <br />70-130 Q02 <br />1,4 -Dichlorobenzene <br />MS <br />1400811-14 <br />ND <br />22.320 <br />25.000 <br />ug/L <br />89.3 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />21.340 <br />25.000 <br />ug/L <br />4.5 <br />85.4 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1400811-14 <br />ND <br />24.990 <br />25.000 <br />ug/L <br />100 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />24.240 <br />25.000 <br />ug/L <br />3.0 <br />97.0 <br />20 <br />70-130 <br />1, 1 -Dichloroethene <br />MS <br />1400811-14 <br />ND <br />25.710 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />24.970 <br />25.000 <br />ug/L <br />2.9 <br />99.9 <br />20 <br />70-130 <br />Toluene <br />MS <br />1400811-14 <br />ND <br />23.790 <br />25.000 <br />ug/L <br />95.2 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />23.120 <br />25.000 <br />ug/L <br />2.9 <br />92.5 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1400811-14 <br />ND <br />24.680 <br />25.000 <br />ug/L <br />98.7 <br />70-130 <br />MSD <br />1400811-14 <br />ND <br />24.230 <br />25.000 <br />ug/L <br />1.8 <br />96.9 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1400811-14 <br />ND <br />11.590 <br />10.000 <br />ug/L <br />116 <br />75-125 <br />MSD <br />1400811-14 <br />ND <br />10.710 <br />10.000 <br />ug/L <br />7.9 <br />107 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1400811-14 <br />ND <br />10.030 <br />10.000 <br />ug/L <br />100 <br />80-120 <br />MSD <br />1400811-14 <br />ND <br />10.160 <br />10.000 <br />ug/L <br />1.3 <br />102 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />1400811-14 <br />ND <br />10.410 <br />10.000 <br />ug/L <br />104 <br />80-120 <br />MSD <br />1400811-14 <br />ND <br />10.000 <br />10.000 <br />ug/L <br />4.0 <br />100 <br />80-120 <br />r <br />iThe <br />results in this report apply to the samples analyzed in accordance with the chain of 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, <br />separation, detachment or third party interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 FAX (661) 327-1918 <br />www.bclabs.com <br />Page 41 of 46 <br />r- <br />LI <br />