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0 • <br /> McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR EPA 8010/8020/EDB <br /> Date: 06/07/95 Matrix: Soil <br /> Concentration (ug/kg) 8 Recovery <br /> Analyte Amount RPO <br /> Sample MS MSD Spiked MS MSD <br /> 1,1-DCE 0 94 98 100 94 98 4.2 <br /> Trichloroethene 0 85 89 100 85 89 4.6 <br /> EDB 0 86 90 100 86 90 4.5 <br /> Chlorobenzene 0 98 102 100 98 102 4.0 <br /> Benzene 0 102 110 100 102 110 7.5 <br /> Toluene 0 100 105 100 100 105 4.9 <br /> Chlorobz (PID) 0 97 104 100 97 104 7.0 <br /> 1 <br /> % Rec. _ (MS - Sample) / amount Spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> i <br /> i <br /> i <br /> 1 <br /> { <br />