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=McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #137,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 05/09-05/10/95 Matrix: Water <br /> Concentration (ug/L) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 102.4 94.6 100 102.4 94.6 7.9 <br /> Benzene 0 9.5 8.9 10 95.0 89.0 6.5 <br /> Toluene 0 9.6 9.1 10 96.0 91.0 5.3 <br /> Ethyl Benzene 0 9.9 9.1 10 99.0 91.0 8.4 <br /> Xylenes 0 30.4 30.3 30 101.3 101.0 0.3 <br /> TPH (diesel) 0 147 151 150 98 101 2.6 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> % Rec = (MS - Samp[e) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />