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Laboratories Ij2c. <br />Laboratory Since 1949 <br />Geologic Associates Reported: 12/27/2016 18:04 <br />11415 W. Bernardo Ct, Ste 220 Project: Forward Landfill - Monthly A.S. Tower <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 7LabConstituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery <br />QC Batch ID: BZL1952 <br />J Used client sample: <br />N <br />Benzene <br />MS <br />1634543-42 <br />ND <br />23.290 <br />25.000 <br />ug/L <br />93.2 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />22.870 <br />25.000 <br />ug/L <br />1.8 <br />91.5 <br />20 <br />70-130 <br />Bromodichloromethane <br />MS <br />1634543-42 <br />ND <br />23.010 <br />25.000 <br />ug/L <br />92.0 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />23.040 <br />25.000 <br />ug/L <br />0.1 <br />92.2 <br />20 <br />70-130 <br />Chlorobenzene <br />MS <br />1634543-42 <br />ND <br />23.510 <br />25.000 <br />ug/L <br />94.0 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />22.850 <br />25.000 <br />ug/L <br />2.8 <br />91.4 <br />20 <br />70-130 <br />Chloroethane <br />MS <br />1634543-42 <br />ND <br />23.480 <br />25.000 <br />ug/L <br />93.9 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />22.740 <br />25.000 <br />ug/L <br />3.2 <br />91.0 <br />20 <br />70-130 <br />1,4 -Dichlorobenzene <br />MS <br />1634543-42 <br />ND <br />21.470 <br />25.000 <br />ug/L <br />85.9 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />21.990 <br />25.000 <br />ug/L <br />2.4 <br />88.0 <br />20 <br />70-130 <br />1,1-Dichloroethane <br />MS <br />1634543-42 <br />ND <br />22.810 <br />25.000 <br />ug/L <br />91.2 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />22.250 <br />25.000 <br />ug/L <br />2.5 <br />89.0 <br />20 <br />70-130 <br />1,1-Dichloroethene <br />MS <br />1634543-42 <br />ND <br />26.180 <br />25.000 <br />ug/L <br />105 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />24.460 <br />25.000 <br />ug/L <br />6.8 <br />97.8 <br />20 <br />70-130 <br />Toluene <br />MS <br />1634543-42 <br />ND <br />23.330 <br />25.000 <br />ug/L <br />93.3 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />23.470 <br />25.000 <br />ug/L <br />0.6 <br />93.9 <br />20 <br />70-130 <br />Trichloroethene <br />MS <br />1634543-42 <br />ND <br />23.640 <br />25.000 <br />ug/L <br />94.6 <br />70-130 <br />MSD <br />1634543-42 <br />ND <br />23.860 <br />25.000 <br />ug/L <br />0.9 <br />95.4 <br />20 <br />70-130 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />1634543-42 <br />ND <br />9.2100 <br />10.000 <br />ug/L <br />92.1 <br />75-125 <br />MSD <br />1634543-42 <br />ND <br />9.0100 <br />10.000 <br />ug/L <br />2.2 <br />90.1 <br />75-125 <br />Toluene -d8 (Surrogate) <br />MS <br />1634543-42 <br />ND <br />10.190 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />MSD <br />1634543-42 <br />ND <br />10.140 <br />10.000 <br />ug/L <br />0.5 <br />101 <br />80-120 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />163454342 <br />ND <br />9.5400 <br />10.000 <br />ug/L <br />95.4 <br />80-120 <br />MSD <br />1634543-42 <br />ND <br />9.6600 <br />10.000 <br />ug/L <br />1.3 <br />96.6 <br />80-120 <br />The results in this report apply to <br />the samples analyzed in <br />accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br />All results listed in this report are <br />for the exclusive <br />use of the submitting party. BC Laboratories, <br />Inc. assumes no responsibility <br />for report alteration, <br />separation, <br />detachment or third <br />party interpretation. <br />Report ID: 1000557340 <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 <br />FAX (661) 327-1918 www.bclabs.com <br />Page 11 of 12 <br />