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T McCAMPBELL ANALYTICAL INC. � 110 2nd Avcnae South, #M, Pacheco, CA 9-553 <br /> Tcfc:510 798-1620 I ax: 510-798 1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 09/20/95-09/21/95 Matrix: Sail <br /> Concentration (mg/kg) % Recovery <br /> Analyte A,-fount <br /> RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 2.252 2. 186 2.03 lli 108 3.4 <br /> �. Benzene 0.000 0.200 0.202 0.2 100 loll 1.0 <br /> Toluene 0.000 0.202 0. 196 0.2 101. 98 3.0 <br /> Ethylbenzene 0.000 0.194 0.194 0.2 97 97 0.0 <br /> Xylenes 0.000 0.610 0.600 0.6 102 100 1.7 <br /> TPH (diesel) 0 287 285 300 96 95 0. 5 <br /> TRPH N/A N/A N/A N/A N/3 ;I/A N/A <br /> (oil & grease) <br /> % Rec. = (MS Sample) / amount spiked x 100 <br /> RPD = (MS MSD) / (MS + MSO) x 2 x 100 <br />