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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:925-798-1620 Fax:925.798-1622 <br /> • <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 01/27/99-01/28/99 Matrix: SOIL <br /> Concentration (mg/kg) Recovery <br /> Analyte Sample Amount RPD <br /> 1 (#95486) MS MSD Spiked MS MSD <br /> TPH (gas) 0 .000 1.930 1.893 2.03 95 93 1.9 <br /> Benzene 0.000 0.160 0.180 0.2 80 90 11.8 <br /> Toluene 0.000 0.204 0 .188 0.2 102 94 8.2 <br /> Ethylbenzene 0.000 0.192 0.190 0 .2 96 95 1.0 <br /> Xylenes 0.000 0.572 0.554 0.6 95 92 3 .2 <br /> TPH(diesel) 0 361 358 300 120 119 0.7 <br /> • I TRPH - 0.0 22 .7 23.5 20.8 109 113 3.5 <br /> 1 (oil and grease) <br /> & Rec. (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS ♦ MSD) x 2 x 100 <br /> • <br />