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r ��w <br /> 74, � A <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 _ <br /> LM—c <br /> CAMPBELL ANALYTICAL INC. Tele:510-798-1b2() Fay SI(}-79&I6 <br /> 22 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> I <br /> I <br /> I <br /> Date: 03/26/94 Matrix: Soil i <br /> Concentration (mg/kg) % Recovery <br /> Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TPH (gas) 0.000 1.723 1.731 2.03 85 85 0.5 <br /> Benzene 0.000 0.174 0.174 0.2 87 87 0.0 <br /> Toluene 0.000 0.184 0.184 0.2 92 92 0.0 <br /> Etnylbenzene 0.000 0.182 0.182 0.2 91 91 0.0 <br /> Xylenes 0.000 0.548 0.548 0.6 91 91 0.0 <br /> TPH (diesel) 0 290 294 300 97 98 1.4 <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> % Rec. = (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS * MSD) x 2 x 100 <br />