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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 /> Date: 04/13/95 Matrix: Water <br /> Concentration (ug/L) S Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 97.8 104.0 100 97.8 104.0 6.1 <br /> Benzene 0 9.9 9.9 10 99.0 99.0 0.0 <br /> Toluene 0 10.1 10.7 10 101.0 107.0 5.8 <br /> Ethyl Benzene 0 10.2 10.4 10 102.0 104.0 1.9 <br /> Xylenes 0 32 32.5 30 106.7 108.3 1.6 <br /> TPH (diesel) N/A N/A N/A N/A N/A N/A N/A <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> X Ree = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />