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n <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: 04/01-04/03/95 Matrix. Soil <br /> ' Concentration (mg/kg) $ Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.739 1.785 2.03 86 88 2.6 <br /> Benzene 0.000 0.170 0.176 0.2 85 88 3.5 <br /> Toluene 0.000 0.174 0.1ao 0.2 87 90 3.4 <br /> Ethylbenzene 0.000 0.174 0.178 0.2 87 89 2.3 <br /> Xylenes 0.000 0.544 0.552 0.6 91 92 1.5 <br /> TPH (diesel) 0 265 265 300 88 88 0.1 <br /> TRPH 0.0 16.7 16.8 20.8 80 81 0 6 <br /> ' (oil & grease) <br /> ' % Ree = (MS - Sampte) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />