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1 <br />' WCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #iD7,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax:510-798-1622 <br /> 1 <br />' QC REPORT FOR HYDROCARBON ANALYSES <br />' Date: 10/22-10/23/93 Matrix: Soil <br /> IConcentration (mg/kg) $ Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.911 1.953 2.03 94 96 2.2 <br /> Benzene 0.000 0.166 0.172 0.2 83 86 3.6 <br /> Toluene 0.000 0.172 0.178 0.2 86 89 3.4 <br /> Ethylbenzene 0.000 0.162 0.170 0.2 81 85 4.8 <br /> Xylenes 0.000 0.520 0.540 0.6 87 90 3.8 <br /> TPH (diesel) 0 206 189 200 103 95 8.3 <br /> I TRPH 0.0 2030.0 2050.0 2000 102 103 1.0 <br /> (oil & grease) <br /> X Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSO) x 2 x 100 <br /> I <br /> I <br /> I - <br />