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f1: <br /> 110 2nd Avenue South,#D7,Pacheco, CA 94353 <br /> McCAWBELL ANALYTICAL IN Tele: 925-798-1620 Fax:925-711"1622 <br /> rt <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 08/25/99 . Matrix: SOIL <br /> 1 j Concentration (mg/kg) 1 1 Recovery <br /> Analyte I Sample j Amount I RPD <br /> j (#11787) MS MSD I Spiked j MS MSD <br /> j TPH (gas) j 0.000 2 .103 2 .092 j 2.03 j 104 103 0.5 j <br /> I <br /> j Benzene j o.000 0 .198 0.210 j 0.2 j 99 105 5.9 "1 <br /> ' I Toluene 1 0.000 0 .216 0.228 j 0.2 j 108 114 5.4 j <br /> Ethylbenzene 1 0.000 0 .220 0.226 1 0 .2 1 110 113 2 .7 j <br /> 1 Xylenes j 0.000 0 .634 0.654 1 0.6 j 106 109 3 .1 1 <br /> 1 <br /> TPH(diesel) j 0 330 326 j 300 1 110 109 1.2 1 <br /> I <br /> TRPH 0.0 23 .4 23 .6 j 20 . 8 j 113 113 0 .9 j j <br /> 1 (oil and grease) I I I I <br /> 1 j j I j <br /> ' k Rec. (MS - Sample) / amount spiked x 100 <br /> RPA -( (MS - MSD) / (N.S MSD) )x 2 x 100 <br /> 1 <br /> 1 <br />