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1 <br /> EtMcCAMPBELL 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 /> Date: 09/08-09/09/94 Matrix: Sail <br /> 1 Concentration (mg/kg-) % Recovery <br /> Analyte Amount RFD <br />' Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.757 1.784 2.03 87 88 1.5 <br />' Benzene 0.000 0. 190 0.180 0.2 95 90 5.4 <br /> Toluene 0.000 0. 196 0.188 0.2 98 94 4.2 <br /> Ethylbenzene 0.000 0. 182 0.180 0.2 91 90 1.1 <br />' Xylenes 0.000 0. 580 0.568 0.6 97 95 2.1 <br /> TPH (diesel) 0 311 301 300 104 100 3.4 <br /> TRPH 0.0 23.0 20.9 20.8 111 100 9.6 <br />' (oil & grease) <br /> % Rec. = (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br />