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1 1 <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 HYDROCARBON ANALYSES <br /> ' Date: 07/02-07/03/95 Matrix: Soil <br /> ' concentration (mg/kg) Recovery <br /> Analyte Amount RPD <br /> ' Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.787 1.891 2.03 88 93 5.7 <br /> ' Benzene 0.000 0.164 0.172 0.2 82 86 4.8 <br /> Toluene 0.000 0.172 0.184 0.2 86 92 6.7 <br /> Ethylbenzene 0.000 0.174 0.190 0.2 87 95 8.8 <br /> ' Xylenes 0.000 0.540 0.568 0.6 90 95 5.1 <br /> TPH (diesel) 0 367 374 400 92 93 1.9 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> ' (oil & grease) <br /> r <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />