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McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South, #137,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 11/08/96 Matrix: Water <br /> rawConcentration (ug/L) ( Recovery <br /> ( Analyte Sample <br /> Amount RPD <br /> 1 (#69626) MS MSD Spiked MS MSD <br /> TPH (gas) <br /> 0.0 91.3 <br /> Benzene 0.0 9.3 95.9 100.0 91.3 95. 9 5.0 <br /> 8. 9 10. 0 93 .0 89.0 4.4 <br />` Toluene 0. 0 9.5 9.1 10.0 95.0 91.0 4.3 <br /> Ethyl Benzene 0.0 10.1 9.5 10. 0 101.0 95.0 6.1 <br /> Xylenes 0.0 30.2 28.4 i 30.0 100. 7 94.7 6.1 <br /> r <br /> ITPH (diesel) <br /> 0 158 152 150 105 102 3 .6 <br /> a. <br /> TRPH 0 26000 26300 23700 110 111 1.1 <br /> (oil & grease) <br /> k Rec. _ (MS - Sample) / amount spiked x 100 <br /> r <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> r <br /> r <br />