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MCCAMPBE .i_ ANALYTICAL, INCT 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 08/03-08/04/94 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> v Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> -- TPH (gas) 0.000 1.659 1.674 2.03 82 82 0.9 <br /> Benzene 0.000 0.180 0.174 0.2 90 87 3.4 <br /> Toluene 0.000 0.184 0.182 0.2 92 91 1.1 <br /> Ethylbenzene 0.000 0.184 0.182 0.2 92. 91 1.1 <br /> Xylenes 0.000 0.576 0.572 0.6 96 95 0.7 <br /> TPH (diesel) 0 310 313 300 103 104 0.9 <br /> TRPH 0.0 24.1 24.8 20.8 116 119 2.9 <br /> (oil & grease) <br /> r <br /> % Rec. _ (MS - SaMpLe) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS • MSO) x 2 x 100 <br /> r <br />