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t <br /> McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South, #07, Pacheco, CA 94553 <br /> Tele: 510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 03/21/95 Matrix: Water <br /> i <br /> i <br /> i <br /> Concentration (ug/L) Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD j <br /> i <br /> i <br /> TPH (gas) 0.0 104.7 95.4 100 104.7 95.4 9.3 <br /> Benzene 0 8.3 9.1 10 83.0 91.0 9.2 ' <br /> Toluene 0 8.4 9.2 10 84.0 92.0 9.1 <br /> Ethyl Benzene 0 8.5 9.2 10 85.0 92.0 7.9 <br /> Xylenes 0 26.7 28.8 30 89.0 96.0 7.6 <br /> TPH (diesel) 0 162 161 150 108 107 0.7 <br /> TRPH N/A N/A N/A N/A N/A N/A, N/A <br /> (oil & grease) <br /> X Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPU = (MS - MSU) / (MS + MSD) x 2 x 100 <br /> i <br /> I <br />