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110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> ' McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fay 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 07/22/98-07/23/98 Matrix: SOIL <br /> Concentration (mg/kg) I I % Recovery <br /> Analyte I Sample I Amount I RPD <br /> I (#89942) MS MSD I Spiked I -MS MSD <br /> TPH (gas) I 0.000 1.927 2.031 I 2.03 I 95 100 5.3 <br /> Benzene I 0.000 0.198 0.172 I 0.2 I 99 86 14.1 i <br /> Toluene I 0.000 0.214 0.190 I 0.2 I 107 95 .11.9 <br /> Ethylbenzene I 0.000 0.192 0.180 0.2 I 96 90 6.5 I. <br /> Xylenes I 0.000 0.582 0.550 0.6 i 97 92 5.7 <br /> TPH(diesel) I 0 315 312 I 300 I 105 104 0.8 <br /> TRPH I 0.0 24.0 22.4 I 20.8 I` 115 108 6.9 <br /> (oil and grease) ) <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> w ` <br />