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110 2nd Avenue South, #D7,Pacheco, CA 94553 <br /> [�WCAMPBELL ANALYTICAL INC. Tele: 510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date- 06/25/97 Matrix: Soil <br /> Concentration (mg/kg) I I Recovery <br /> Analyte I Sample I Amount I RPD <br /> I (#75868) MS MSD I Spiked I MS MSD <br /> 1 I <br /> TPH (gas) 0 .000 1.828 1.832 I 2 . 03 I 90 90 0 .2 <br /> Benzene f 0 . 000 0 .176 0 .168 I 0 .2 88 84 4 . 7 <br /> Toluene I 0 . 000 0.186 0 .176 I 0 .2 I 93 88 5 .5 <br /> Ethylbenzene I 0 . 000 0. 176 0 .170 I 0 .2 I 88 85 3 .5 <br /> Xylenes I 0 . 000 0 .522 0 .510 I 0 .6 I 87 85 2 .3 <br /> i I I <br /> I I I I <br /> TPH (diesel) I 0 315 318 I 300 I 105 106 0 .9 <br /> f I f I <br /> TRPH I 0 .0 23 .2 22 .7 20 .8 I 112 .109 2 .2 <br /> I (oil and grease) # <br /> f I 1 <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MIS + MSD) x 2 x 100 <br />