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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 /> --i <br /> is QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 06/20-06/22/95 Matrix: Water <br /> Concentration (ug/L) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 90.3 85.8 100 90.3 _ 85.8 5.1 <br /> Benzene 0 9.2 8.5 10 92.0 85.0 7.9 <br /> Toluene 0 9.6 8.9 10 96.0. 89.0 7.6 <br /> Ethyl Benzene 0 10 8.9 10 100.0 B9.0 11.6 <br /> Xylenes 0 31.2 27.9 30 104.0 93.0 11.2 <br /> TPH (diesel) 0 173 173 150 115 115 0.1 <br /> .,, TRPH 0 21900 23900 23700 92 101 8.7 <br /> (oil & grease) <br /> t <br /> % Rec. _ (MS = Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> U? <br /> lhI?r] <br /> 1 <br /> :I <br /> 1,1 <br />