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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 <br />Date: 09/17/94 <br />ANALYSES <br />Matrix: Soil <br />% Rec. _ (MS - Sample) / amount spiked x 100 <br />RPD = (MS - MSD) / (MS - MSD) x 2 x 100 <br />Concentration <br />(mg/kg) <br />% Recovery <br />Analyte <br />Amount <br />RPD <br />Sample <br />MS <br />MSD <br />Spiked <br />MS <br />MSD <br />TPH (gas) <br />0.000 <br />2.079 <br />2.220 <br />2.03 <br />102 <br />109 <br />6.6 <br />Benzene <br />0.000 <br />0.210 <br />0.208 <br />0.2 <br />105 <br />104 <br />1.0 <br />Toluene <br />0.000 <br />0.216 <br />0.214 <br />0.2 <br />108 <br />107 <br />0.9 <br />Ethylbenzene <br />0.000 <br />0.212 <br />0.210 <br />0.2 <br />106 <br />105 <br />0.9 <br />Xylenes <br />0.000 <br />0.642 <br />0.660 <br />0.6 <br />107 <br />110 <br />2.8 <br />TPH (diesel) <br />0 <br />303 <br />299 <br />300 <br />101 <br />100 <br />1.5 <br />TRPH <br />0.0 <br />24.5 <br />24.5 <br />20.8 <br />118 <br />118 <br />0.0 <br />(oil & grease) <br />% Rec. _ (MS - Sample) / amount spiked x 100 <br />RPD = (MS - MSD) / (MS - MSD) x 2 x 100 <br />