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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> 1 ' <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 10/21-10/22/94 Matrix: Soil <br /> i <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> 1 <br /> TPH (gas) 0.000 2.052 2.081 2.03 101 103 1.4 <br /> Benzene 0.000 0.196 0.194 0.2 98 97 1.0 j <br />' Toluene 0.000 0.200 0.202 0.2 100 101 1.0 <br /> Ethylbenzene 0.000 0.194 0.194 0.2 97 97 0.0 <br /> Xylenes 0.000 0.612 0.616 0.6 102 103 0.7 <br />' TPH diesel 0 300 290 3 <br /> (diesel) 00 100 97 3.6 <br /> TRPH 0.0 44.1 44.3 44.6 99 99 0.4 <br /> (oil & grease) <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br />