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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date: 08/20/97 Matrix: Soil <br /> Concentration (ug/kg,ul I Recovery <br /> Analyte Sample I Amount I RPD <br /> 1 1#(75867) MS MSD I Spiked I MS MSD 1 <br /> 11, 1-Dichloroethel 0.0 100.0 97.0 1 100 1 100 97 3 .0 1 <br /> (Trichloroethene 1 0 .0 83 .0 83 .0 100 1 83 83 0.0 1 <br /> 1ED13 1 0 .0 95.0 89.0 100 1 95 89 6.5 1 <br /> IChlorobenzene 1 0.0 97.0 93 .0 100 1 97 93 4 .2 1 <br /> (Benzene 1 0 .0 105.0 101.0 100 1 105 101 3 .9 1 <br /> (Toluene 1 0 .0 101.0 100.0 100 1 101 100 1.0 1 <br /> I 1 1 1 <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />