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r r <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: 07/12-07/13/94 Matrix: Soil <br /> Concentration (mg/kg) % Recovery I <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 2.142 2.125 2.03 106 105 0.8 <br /> Benzene 0.000 0.178 0.162 0.2 89 81 9.4 <br /> Toluene 0.000 0.178 0.180 0.2 89 90 1.1 <br /> Ethylbenzene 0.000 0.168 0.164 0.2 84 82 2.4 <br /> Xylenes 0.000 0.516 0.518 0.6 86 86 0.4 <br /> TPS (diesel) 0 302 297 300 101 99 1.7 <br /> TRP$ 0.0 23.4 23.6 20.8 112 <br /> (ail & grease) 113 0'g <br /> X Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />�1 <br />�I <br /> f <br />