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r. ..r <br /> 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FCR HYDROCARBON ANALYSES <br /> Date: 09/23/98 Matrix: SOIL <br /> I I Concentration (mg/kg) I I % Recovery I <br /> I Analyte I Sample I Amount I RPD I <br /> I 1 (#90231) MS MSD I Spiked I MS MSD <br /> I 1 I I I <br /> I TPH (gas) 1 0 .000 2 .150 2 .034 2 .03 I 106 100 5 .5 I <br /> I Benzene I 0 .000 0 .210 0.224 I 0 .2 I 105 112 6 .5 <br /> Toluene I 0 .000 0 .220 0.232 I 0 .2 I 110 116 5 .3 I <br /> Ethylbenzene I 0 .000 0 .220 0.220 0 .2 I 110 110 0 .0 <br /> Xylenes I 0 .000 0 .636 0.648 I 0.6 I 106 108 1.9 <br /> [ I I I <br /> I TPH(diesel) I 0 314 314 300 I 105 105 0 .3 <br /> TRPH I N/A N/A N/A N/A N/A N/A N/A 1 <br /> (oil and grease) I <br /> % Rec. _ ;MS - Sample) / amount spiked x ICO <br /> RPD = (MS - MSD) f ,^".S + MSD) x 2 x 100 <br />