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t <br /> Laboratories Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> Geologic Associates Reported: 04/04/2012 16:26 <br /> 11415 W. Bernardo Ct, Ste 220 Project: Forward Landfill- Monthly <br /> San Diego, CA 92127 Project Number: [none] <br /> Project Manager: Sarah Battelle <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: BVD0105 Used client sample: N <br /> Benzene MS 1205648-07 ND 27.410 25.000 ug/L 110 70-130 <br /> MSD 1205648-07 ND 25.550 25.000 ug/L 7.0 102 20 70-130 <br /> Bromodichloromethane MS 1205648-07 ND 28.390 25.000 ug/L 114 70-130 <br /> MSD 1205648-07 ND 26.970 25.000 ug/L 5.1 108 20 70-130 <br /> Chlorobenzene MS 1205648-07 ND 27.890 25.000 ug/L 112 70-130 <br /> MSD 1205648-07 ND 26.320 25.000 ug/L 5.8 105 20 70-130 <br /> Chloroethane MS 1205648-07 ND 30.560 25.000 ug/L 122 70-130 <br /> MSD 1205648-07 ND 25.040 25.000 ug/L 19.9 100 20 70-130 <br /> 1,4-Dichlorobenzene MS 1205648-07 ND 28.360 25.000 ug/L 113 70-130 <br /> MSD 1205648-07 ND 27.130 25.000 ug/L 4.4 109 20 70-130 <br /> 1,1-Dichloroethane MS 1205648-07 ND 27.710 25.000 ug/L 111 70-130 <br /> MSD 1205648-07 ND 25.910 25.000 ug/L 6.7 104 20 70-130 <br /> 1,1-Dichloroethene MS 1205648-07 ND 30.040 25.000 ug/L 120 70-130 <br /> MSD 1205648-07 ND 28.260 25.000 ug/L 6.1 113 20 70-130 <br /> Toluene MS 1205648-07 ND 27.820 25.000 ug/L 111 70-130 <br /> MSD 1205648-07 ND 26.050 25.000 ug/L 6.6 104 20 70-130 <br /> Trichloroethene MS 1205648-07 ND 28.760 25.000 ug/L 115 70-130 <br /> MSD 1205648-07 ND 26.770 25.000 ug/L 7.2 107 20 70-130 <br /> 1,2-Dichloroethane-d4(Surrogate) MS 1205648-07 ND 10.150 10.000 ug/L 102 76-114 <br /> MSD 1205648-07 ND 10.210 10.000 ug/L 0.6 102 76-114 <br /> Toluene-d8(Surrogate) MS 1205648-07 ND 10.120 10.000 ug/L 101 88-110 <br /> MSD 1205648-07 ND 10.170 10.000 ug/L 0.5 102 88-110 <br /> 4-Bromofluorobenzene(Surrogate) MS 1205648-07 ND 9.7400 10.000 ug/L 97.4 86-115 <br /> MSD 1205648-07 ND 9.9300 10.000 ug/L 1.9 99.3 86-115 <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 party BC Laboratories,Inc.assumes no responsibility for report alteratiorl separation,detachment or third party interpretation <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 13 of 14 <br />