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I S <br /> McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> i <br /> I <br /> ' Date: 06/30/95--07/01/95 Matrix: water <br /> I <br /> ' Concentration (ug/L) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 100.3 102.1 100 100.3 102.1 1.8 <br /> ' Benzene 0 9 2 9.2 10 - 92.0 92.0 0.0 <br /> Toluene 0 9 9.3 10 - 90.0 93.0 3.3 <br /> Ethyl Benzene 0 9.1 9.5 10 91.0 95.0 4.3 <br /> ' Xylenes 0 29 30.4 30 96.7 101.3 4.7 <br /> TPH (diesel) 0 164 161 150 109 108 1.7 <br /> TRPH 0 20300 20600 23700 86 87 1.5 <br /> ' (oil & grease) <br /> ' % Rec. z (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />