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- ' <br /> T--�Tcle:510-798-1620 Fax:510-798-1622 <br /> --------- - <br /> McCAMPBELL ANALYTICAL INC. 110 2nd Avenue South,#137,Pacheco,CA 94553 <br /> QC REPORT <br /> Date: 06/15-06/18/92 Matrix: Soil <br /> Concentration (mg/kg) Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked HS MSD <br /> TPH (gas) 0.00 1.91 1.91 2.03 W 94 0.0 <br /> Benzene 0.00 0.208 0.206 0.2 104 103 1.0 <br /> Toluene 0.00 0.206 0.202 0.2 103 101 2.0 <br /> Ethyl Benzene 0.00 0.21 0.206 0.2 105 103 1.9 <br /> Xylenes 0.00 0.622 0.598 0.6 104 100 3.9 <br /> TPH (diesel) 0 151 146 150 100 97 3.0 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> % Rec. = (MS Sample) / amount spiked x 100 <br /> RPD = (NS MSD) / (HS + MSD) x 2 x 100 <br />