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1 <br /> 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC7 Tele 510-798-1620 Fax 510-798-1622 <br /> i <br /> QC REPORT FOR EPA 8010/8020/EDB <br /> Date: 06/20/95 Matrix: Soil <br /> f <br /> Concentration (ug/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> 1,1-DCE 0 101 95 100 101 95 6.1 <br /> ' Trichloroethene 0 94 88 100 94 S8 6.6 <br /> EDB 0 93 89 100 93 89 4.4 <br /> Chlorobenzene 0 105 100 100 105 100 4.9 <br /> Benzene 0 114 108 100 114 108 5.4 <br /> Toluene 0 113 98 100 113 98 14.2 <br /> Chlorobz (PID) 0 106 101 100 106 101 4.8 <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br />