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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510.798-1622 <br /> ' QC REPORT FOR HYDROCARBON ANALYSES <br /> 1 <br /> ' Date: 01/13/95 Matrix: Water <br /> ' Concentration (ug/L) $ Recovery <br /> Analyte Amount RPD <br /> ' Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 114.7 109.0 100 114.7 109.0 5 1 <br /> Benzene 0 9.7 9.6 10 97.0 96.0 1.0 <br /> Toluene 0 9.7 9.8 10 97.0 98.0 1 0 <br /> Ethyl Benzene 0 9.7 9 7 10 97.0 97.0 0 0 <br /> Xylenes 0 30 30.1 30 100.0 100. 3 0.3 <br /> TPH (diesel) N/A N/A N/A N/A N/A N/A N/A <br /> TRPH 0 24700 23200 23700 104 98 6 3 <br /> ' (oil & grease) <br /> ' % Rec = (MS - Sample) / amount spiked x 100 <br /> RPD z (MS - MSD) / (HS + MSD) x 2 x 100 <br /> 1 <br /> i <br /> I <br /> 1 <br />