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7110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele 510-798-1620 F=510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> i <br /> Date: 01/31/94 Matrix: Water <br /> Concentration (ug/L) $ Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS <br /> I <br /> TPH (gas) 0.0 111.0 104.2 100 11.0 104. 6.3 <br /> I Benzene 0 11 10.4 1 110.0 104. 5.6 <br /> Toluene 0 11.3 10.8 1 .0 108.0 4.5 <br /> Ethyl Benzene 0 11.1 10.6 10 11.0 106.0 4.6 <br /> Xylenes 0 33.4 31. 30 11.3 106.3 4.6 <br /> TPH (diesel) 0 149 14 0 100 97 2.3 <br /> TRPH N/A /A N/A N/A N/A N/A <br /> (oil & grease) <br /> VIX) <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />