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L <br /> Accu _ <br /> a <br /> labs Inc. DavisL i <br /> ' EPA 8260B QC Report <br /> r <br /> L <br /> i <br /> 1 � <br /> j Matrix: Soil Date Analyzed: 5/17/99 <br /> i <br /> t a <br /> QC Batch: VS990517 QC Limits Set: 4112/99 <br /> Spike Cone LCS LCSD Control Chart Limits <br /> Parameter mg/Kg % Rec % Ree RPD Lower Upper ' <br /> 1,1-Dichloroethene 0.050 83 77 6.9 33 113 <br /> Benzene <br /> 0.050 94 95 1.5 86 128 <br /> • <br /> Trichloroethene 0.050 90 94 4.6 70 106 <br /> .. Toluene 0.050 95 102 6.8 52 129 <br /> Chlorobenzene 0.050 98 99 1.0 87 112 <br /> Control Chart Limits <br /> Parameter Lower Upper <br /> Dibromofluoromethane 71 138 <br /> y Toluene-d8 54 131 <br /> 4-Bromofluorobenzene 41 122 <br /> Tom Kwoil <br /> Laboratory Director <br /> CAEXCELIQC\VS990517.XLS i <br /> I <br /> t <br /> i <br />