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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INCT Tele 510-798-1620 Fax 510-798-1622 <br /> I <br /> IQC REPORT FOR HYDROCARBON ANALYSES <br />' Date- 05/22-05/23/95 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.686 1.698 2.03 83 84 0 7 <br /> I Benzene 0.000 0 188 0.192 0.2 94 96 2 1 <br /> Toluene 0.000 0.182 0. 182 0.2 91 91 0.0 <br /> Ethylbenzene 0 000 0 180 0. 180 0.2 90 90 0.0 <br /> Xylenes 0.000 O 550 0. 552 0.6 92 92 0.4 <br /> I <br /> TPH (diesel) 0 339 338 300 113 113 0.4 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> I (oil & grease) <br /> 1 <br />' % Rec = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSU) x 2 x 100 <br /> I <br /> I <br /> I <br /> I <br />