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1400 <br />110 2nd Avenue South, #D7, Pacheco, CA 94553 <br />McCAMPBELL ANALYTICAL INC. Tele: 510-798-1620 Fax: 510-798-1622 <br />QC REPORT FOR HYDROCARBON ANALYSES <br />Date: 09/19-09/21/94 <br />Matrix: Soil <br />TPH (diesel) <br />TRPH <br />(oil & grease) <br />0 304 305 <br />0.0 21.3 21.6 <br />300 <br />20.8 <br />% Rec. _ (MS - Samp(e) / amount spiked x 100 <br />RPD = (MS - MSD) / (MS - MSD) x 2 x 100 <br />101 102 0.3 <br />102 104 1.4 <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 />1.893 <br />2.032 <br />2.03 <br />93 <br />100 <br />7.1 <br />Benzene <br />0.000 <br />0.190 <br />0.184 <br />0.2 <br />95 <br />92 <br />3.2 <br />Toluene <br />0.000 <br />0.198 <br />0.190 <br />0.2 <br />99 <br />95 <br />4.1 <br />Ethylbenzene <br />0.000 <br />0.194 <br />0.186 <br />0.2 <br />97 <br />93 <br />4.2 <br />Xylenes <br />0.000 <br />0.608 <br />0.586 <br />0.6 <br />101 <br />98 <br />3.7 <br />TPH (diesel) <br />TRPH <br />(oil & grease) <br />0 304 305 <br />0.0 21.3 21.6 <br />300 <br />20.8 <br />% Rec. _ (MS - Samp(e) / amount spiked x 100 <br />RPD = (MS - MSD) / (MS - MSD) x 2 x 100 <br />101 102 0.3 <br />102 104 1.4 <br />