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' 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Lj <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 09/22/98 Matrix: SOIL <br /> Concentration (mg/kg) % Recovery <br /> Analyte Sample I Amount RPD <br /> 1 (#90403) MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 2.010 1.992 2.03 99 98 0.9 <br /> Benzene 0.000 0.224 0.216 0.2 112 108 3 .6 <br /> Toluene 0.000 0.228 0.220 0.2 114 110 3 .6 <br /> Ethylbenzene 0.000 0.214. 0.208 0.2 107 104 2.8 <br /> Xylenes 0.000 0.630 0.608 0.6 105 101 3 .6 <br /> • i <br /> TPH(diesel) 0 335 307 300 112 102 8.7 <br /> LTRPH N/A N/A N/AN/A N/A N/A N/A <br /> (oil and grease) ( I / / <br /> I <br /> I <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> x <br /> RPD (MS - MSI)) / (MS + MSD) x 2 x 100 <br /> I <br /> I <br /> r � <br /> if <br />