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Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> haw Reported: 08/07/2012 16:42 <br /> 80 Promenade Circle,Suite 320 Project: Foothill Landfill <br /> Sacramento,CA 95834 Project Number. 139867 <br /> Project Manager: Sheila Richgels <br /> Volatile Organic Analysis (EPA Method 8260) <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: BVG1680 Used client sample: N <br /> Benzene MS 1213649-02 ND 25.860 25.000 ug/L 103 70-130 <br /> MSD 1213649-02 ND 25.490 25.000 ug/L 1.4 102 20 70-130 <br /> Bromodichioromethane MS 1213649-02 ND 27.170 25.000 ug/L 109 70-130 <br /> MSD 1213649-02 ND 27.130 25.000 ug/L 0.1 109 20 70-130 <br /> Chlorobenzene MS 1213649-02 ND 25.390 25.000 ug/L 102 70-130 <br /> MSD 1213649-02 ND 25.030 25.000 ug/L 1.4 100 20 70-130 <br /> Chloroethane MS 1213649-02 ND 26.340 25.000 ug/L 105 70-130 <br /> MSD 1213649-02 ND 25.610 25.000 ug/L 2.8 102 20 70-130 <br /> 1,4-Dichlorobenzene MS 1213649-02 ND 23.840 25.000 ug/L 95.4 70-130 <br /> MSD 1213649-02 ND 23.550 25.000 ug/L 1.2 94.2 20 70-130 <br /> 1,1-Dichloroethane MS 1213649-02 ND 25.930 25.000 ug/L 104 70-130 <br /> MSD 1213649-02 ND 25.180 25.000 ug/L 2.9 101 20 70-130 <br /> 0 <br /> -Dichloroethene MS 1213649-02 ND 25.420 25.000 ug/L 102 70-130 <br /> MSD 1213649-02 ND 24.800 25.000 ug/L 2.5 99.2 20 70-130 <br /> Toluene MS 1213649-02 ND 26.690 25.000 ug/L 107 70-130 <br /> MSD 1213649-02 ND 26.630 25.000 ug/L 0.2 107 20 70-130 <br /> Trichloroethene MS 1213649-02 ND 25.590 25.000 ug/L 102 70-130 <br /> MSD 1213649-02 ND 25.990 25.000 ug/L 1.6 104 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1213649-02 ND 10.160 10.000 ug/L 102 75-125 <br /> MSD 1213649-02 ND 9.9000 10.000 ug/L 2.6 99.0 75-125 <br /> Toluene-d8(Surrogate) MS 1213649-02 ND 10.380 10.000 ug/L 104 80-120 <br /> MSD 1213649-02 ND 10.330 10.000 ug/L 0.5 103 80-120 <br /> 4-Bromofluorobenzene(Surrogate) MS 1213649-02 ND 10.010 10.000 ug/L 100 80-120 <br /> MSD 1213649-02 ND 9.7200 10.000 ug/L 2.9 97.2 80-120 <br /> The 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 parry.BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bciabs.com Page 29 of 33 <br />