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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 HYDROCARBON ANALYSES <br /> ' Date: 04/18-04/19/95 Matrix: Soil <br /> IConcentration (mg/kg) % RecoveryAnalyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.734 1.689 2 .03 85 83 2.6 <br /> Benzene 0.000 0.162 0.166 0.2 81 83 2 .4 <br /> ' Toluene 0.000 0. 174 0.172 0.2 87 86 1.2 <br /> E'thylbenzene 0.000 0. 168 0.168 0.2 84 84 0.0 <br /> Xylenes 0.000 0.532 0.522 0.6 89 87 1.9 <br /> TPH (diesel) 0 289 296 300 96 99 2.2 <br /> M TRPH 0.0 22.3 22. 5 <br /> 20.8 107 108 0.9 <br /> (ail & grease) <br /> I % Rec. _ (HS - 5ampte) / amount spiked x 100 <br /> RPD = (MS MSD) / (HS + MSD) x 2 x 100 <br /> I <br />