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C/ <br /> i <br /> 110 2nd AvFnue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> I I <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 02/07/95 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.880 1.970 2.03 93 97 4.7 <br /> Benzene 0.000 0. 172 0.168 0.2 86 84 2.4 <br /> Toluene 0.000 0.180 0.176 10.2 90 88 2.2 <br /> Ethylbenzene 0.000 0.178 0.174 . 0.2 89 87 2.3 <br /> Xylenes 0.000 0.548 0.536 0.6 91 89 2.2 <br /> i <br /> C <br /> TPH (diesel) 0 293 293 300 98 98 0.1 <br /> I � I <br /> i <br />` TRPH 0.0 20.9 21.3 20.8 100 102 1.9 <br /> (oil & grease) <br /> I • <br /> II <br /> I <br /> X Rec. _ (MS Sample) / amount spiked x 100 <br /> ���•••rrr RPO = (MS MSD) / (MS * MSD) x 2 x 100 . <br /> I <br /> I <br /> i <br /> i <br />