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McCAMPBELL ANALYTICAL INC 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> Tele 510-798-1620 Fax 510-798-1622 <br /> i <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 09/08/95-09/09/95 Matrix: Water <br /> Concentration (ug/L) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.0 94.8 91.5 100 95 92 3. 5 <br /> Benzene 0 10.9 10.2 10 109.0 102.0 6.6 <br /> Toluene 0 10.8 10.2 10 108.0 102.0 5.7 <br /> Ethyl Benzene 0 10.8 10.2 10 108.0 102.0 5.7 <br /> Xylenes 0 34.5 32.8 30 115.0 109.3 5.1 <br /> TPH (diesel) 0 166 163 150 111 108 2.0 <br /> TRPH 0 23900 24100 23700 101 102 0.8 <br /> (oil & grease) <br />(� % Rec = (MS - Sampte) / amount Spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> a <br /> 0 <br />