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r <br /> 110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. <br /> Tele: 510-798-1620 Fax:510-79$-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 11/04-11/05/94 Matrix: Soil <br /> i <br /> Concentration (mg/kg) Recovery <br /> - Analyte_' 4 ,; Amount RPD <br /> S <br /> t PleMS MSD' ,_Spzked� ---MS -_ -MSD - - <br /> i <br /> TPH (gas) 0.000 1.980 1.900 2.03 98 94 4.1 <br /> Benzene 0.000 0.204 0.212 0.2 102 106 3.8 <br /> Toluene 0.000 0.236 0.240 0.2 118 120 1.7 <br /> Ethylbenzene 0.000 0.202 0.210 0.2 101 105 3.9 <br /> Xylenes 0.000 0.650 0.674 0.6 108 112 3.6 <br /> TPH (diesel) 0 307 309 300 102 103 0.6 <br /> TRPH 0.0 20.3 20.2 20.8 98 97 0.5 <br /> (oil & grease) <br /> f <br /> % Rec. _ (MS - Sample) / amount spiked x 100 <br /> - <br /> RPD = CMS - MSD) / (MS + MSD) x 2 x 100 <br /> 4 <br /> �I <br /> I <br /> II <br />