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110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> 16 1 McCAMPBELL ANALYTICAL, INC. Tele: 925-798-1620 Fax: 925-798-1622 <br /> ' QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 06/02/99-06/03/99 Matrix: SOIL <br /> ' I I Concentration (mg/kg) I I % Recovery 1 <br /> Analyte I Sample I Amount I RPD 1 <br /> 1 (4"01963) MS MSD I Spiked I MS MSD 1 <br /> TPH (gas) 1 0.000 2 . 018 1. 968 1 2 .03 I 99 97 2 .5 1 <br /> ' I Benzene 1 0 .000 0 .192 0 .186 I 0.2 I 96 93 3 .2 1 <br /> Toluene I 0.000 0.198 0 .196 I 0.2 I 99 98 1.0 1 <br /> Ethylbenzene I 0 .000 0.198 0 .194 I 0.2 I 99 97 2 .0 1 <br /> Xylenes I 0 .000 0 .584 0 .568 1 0.6 I 97 95 2 .8 <br /> I I I I <br /> i I I <br /> TPH(diesel) I 0 304 288 1 300 I 101 96 5 .4 1 <br /> 1 <br /> ' I TRPH 1 0.0 27. 8 27 . B 1 23 .7 I 117 117 0 .0 1 <br /> 1 (oil and grease) 1 I I <br /> 1 <br /> ' Rec. _ (MS - Sample) / amoun[ spiked x 100 <br /> ' RPD = (MS - MSD) / (MS , MSD) x 2 x 100 <br /> 1 <br /> 1 <br />