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1 <br /> F--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 /> 1 <br />' Date: 07/14/94 Matrix: Soil <br /> Concentration (mg/kg) $ Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> r <br /> TPH (gas) 0.000 1.693 1.615 2.03 83 80 4.7 <br />' Benzene 0.000 0.184 0.188 0.2 92 94 2.2 <br /> Toluene 0.000 0.188 0.192 0.2 94 96 2.1 <br /> Ethylbenzene 0.000 0.188 0.190 0.2 94 95 1.1 <br />' Xylenes 0.000 0.568 0 570 0.6 95 95 0.4 <br /> TPH (diesel) 0 293 284 300 98 95 3.0 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br />' (oil & grease) <br />' % Rec = (MS - Sampte) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />