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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 11/13/2017 17:36 <br /> 11415 W.Bernardo Ct,Ste 220 Project: Forward Landfill-Monthly A.S.Tower <br /> San Diego,CA 92127 Project Number: October 2017 <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: B[K®141 Used client sample: N <br /> Benzene MS 1730538-01 ND 24.320 25.000 ug/L 97.3 70-130 <br /> MSD 1730538-01 ND 26.100 25.000 ug/L 7.1 104 20 70-130 <br /> Bromodichloromethane MS 1730538-01 ND 23.410 25.000 ug/L 93.6 70-130 <br /> MSD 1730538-01 ND 25.020 25.000 ug/L 6.6 100 20 70-130 <br /> Chlorobenzene MS 1730538-01 ND 22.620 25.000 ug/L 90.5 70-130 <br /> MSD 1730538-01 ND 24.070 25.000 ug/L 6.2 96.3 20 70-130 <br /> Chloroethane MS 1730538-01 ND 25.420 25.000 ug/L 102 70-130 <br /> MSD 1730538-01 ND 26.840 25.000 ug/L 5.4 107 20 70-130 <br /> 1,4-Dichlorobenzene MS 1730538-01 ND 21.620 25.000 ug/L 86.5 70-130 <br /> MSD 1730538-01 ND 23.300 25.000 ug/L 7.5 93.2 20 70-130 <br /> 1,1-Dichloroethane MS 1730538-01 ND 24.680 25.000 ug/L 98.7 70-130 <br /> MSD 1730538-01 ND 26.090 25.000 ug/L 5.6 104 20 70-130 <br /> Oichloroethene MS 1730538-01 ND 24.280 25.000 ug/L 97.1 70-130 <br /> MSD 1730538-01 ND 25.880 25.000 ug/L 6.4 104 20 70-130 <br /> Toluene MS 1730538-01 ND 22.710 25.000 ug/L 90.8 70-130 <br /> MSD 1730538-01 ND 24.390 25.000 ug/L 7.1 97.6 20 70-130 <br /> Trichloroethene MS 1730538-01 ND 22.800 25.000 ug/L 91.2 70-130 <br /> MSD 1730538-01 ND 24.300 25.000 ug/L 6.4 97.2 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1730538-01 ND 11.680 10.000 ug/L 117 75-125 <br /> MSD 1730538-01 ND 11.240 10.000 ug/L 3.8 112 75-125 <br /> Toluene-d8(Surrogate) MS 1730538-01 ND 10.020 10.000 ug/L 100 80-120 <br /> MSD 1730538-01 ND 10.090 10.000 ug/L 0.7 101 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1730538-01 ND 10.290 10.000 ug/L 103 80-120 <br /> MSD 1730538-01 ND 10.010 10.000 ug/L 2.8 100 80-120 <br /> The results in this report apply to the samples analyzed in accordance with the chain of cuslodv 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: 1000670826 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 15 of 23 <br />