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110 2nd Avenue South, 7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 06/16/94 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.682 1.713 2.03 83 84 1.8 <br /> Benzene 0.000 0.180 0.180 0.2 90 90 0.0 <br /> Toluene 0.000 0.180 0.184 0.2 90 92 2.2 <br /> Ethylbenzene 0.000 0.188 0.190 0.2 94 95 1.1 <br /> Xylenes 0.000 0.566 0.574 0.6 94 96 1.4 <br /> TPH (diesel) 0 338 335 300 113 112 0.7 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> % Rec. _ (MS Sad e) / amount spiked x 100 <br /> RPD = (MS MSD) / (MS + MSD) x 2 x 100 <br />