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w <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: 10/30/95 Matrix: Soil <br /> concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 2.095 2.092 2.03 103 103 0.2 <br /> Benzene 0.000 0.198 0.184 0.2 99 92 7.3 <br /> Toluene 0.000 0.200 0.186 0.2 100 93 7.3 <br /> Ethylbenzene 0.000 0.200 0.186 0.2 100 93 7.3 <br /> Xylenes 0.000 0.590 0.552 0.6 98 92 6.7 <br /> TPH (diesel) N/A N/A N/A N/A N/A N/A N/A <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> X Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS MSD) / (MS + MSD) x 2 x 100 <br />