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1 <br /> McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> 16Tele 510-798-1620 Fax 510-798-1622 <br /> 1 <br />' QC REPORT FOR HYDROCARBON ANALYSES <br /> Date 06/04-06/06/95 Matrix: Soil <br />' Concentration (mg/kg) $ Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1 956 1.894 2.03 96 93 3 2 <br />' Benzene 0.000 0.170 0.164 0.2 85 82 3.6 <br /> Toluene 0.000 0.168 0.176 0.2 84 88 4.7 <br /> Ethylbenzene 0 000 0 166 0.174 0.2 83 87 4.7 <br />' Xylenes 0.000 0 508 0 528 0.6 85 88 3 9 <br /> TPH (diesel) 0 321 317 300 107 106 1 2 <br /> TRPH 0.0 20 6 20 4 20.8 99 98 1 0 <br />' (oil & grease) <br /> 1 <br />' % Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 400 <br /> 1 <br /> t <br />