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McCAMPBELLANALYTICAL INC, 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fac 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 04/11-04/12/94 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount Rpg <br /> Sample MS MSD Spiked MS MSB <br /> TPH (gas) 0.000 1.979 2.014 2,03 97 99 1.8 <br /> Benzene 0.000 0.200 0.200 0.2 100 100 0,0 <br /> Toluene 0.000 0.202 0.204 0.2 101 102 1.0 <br /> Ethylbenzene 0.000 0.206 0.208 0.2 103 104 1.0 <br /> Xylenes 0.000 0.624 0.630 0.6 104 105 1.0 <br /> TPH (diesel) 0 290 278 . 300 97 93 4.4 <br /> TRPH 0.0 19.3 20.5 20.8 93 99 6.0 <br /> (oil & grease) <br /> 1 % Rec. _ (MS - Sample) / amount spiked x 100 <br /> L RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />