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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> E- McCAMPBELL ANALYTICAL 'NC* Tele:510-798-1620 Fax 510-798-1622 <br /> A <br /> 1 <br /> Qc REPORT FOR HYDROCARBON ANALYSES <br /> Date: 01/22/94 Matrix: Soil <br /> Concentration (mg/kg) $ Recovery <br /> Analyte Amount RPD <br />' Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.793 1.698 2.03 88 84 5.5 <br /> Benzene 0.000 0.166 0.172 0.2 83- 86 3.6 <br /> Toluene 0.000 0.176 0.180 0.2 88 90 2.2 <br /> Ethylbenzene 0.000 0.174 0.182 0.2 87 91 4.5 <br /> Xylenes 0.000 0.546 0.556 0.6 _ 91 93 1.8 <br /> TPH (diesel) 0 315 316 300 105 105 0.2 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br />' _ - -- _ <br /> % Rec. (MS Sample) / amount spiked x i00 <br /> RPD = (NS - MSD) / (MS + MSD) X2x100 <br /> i <br /> I <br /> I <br />