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_. <br /> 110 2 d Avenue South, #D7,Pacheco,CA 94553 <br /> F. <br /> McCAMPBELL ANALYTICAL INC. e1c:510-798-1620 Fax:510-798-1622 <br /> 4 <br /> QC REPORT FOR HYDROC RBON ANALYSES <br /> Date: 09/11/95 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.953 2.021 2.03 96 100 3.4 <br /> Benzene 0.000 0.182 0.200 0.2 91 100 9.4 <br /> Toluene 0.000 0.188 0.204 0.2 94 102 8.2 <br /> Ethylbenzene. 0.000 0.186 0.202 0.2 93 101 8.2 <br /> Xylenes 0.000 0.594 0.642 0.6 99 107 7.8 <br /> TPH (diesel) 0 287 262 300 96 87 9.0 <br /> TRPH 0.0 20.4 21.0 20.8 98 101 2.9 <br /> (oil & grease) <br /> r <br /> Y, Rec. _ (MS Sampte) / amount spi ed x 100 <br /> ' RPU = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> �a <br /> T"' <br />