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MCCA.MP$ELL ANALYTICAL INC 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fac 510-798-1622 <br /> rJ <br /> I <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 07/21/94 matrix: Soil <br /> I Concentration (mg/kg) Recovery <br /> Analyte Amount PPD <br /> Sample MS MSD Spiked MS MSD <br /> I TP$ as <br /> {g ) 0.000 1.702 1.721 2_03 84 85 1.1 <br /> Benzene 0.000 0.180 0.180 0.2 90 90 0.0 <br /> I Toluene 0.000 0.182 0.184 0.2 91 92 1. 1 <br /> Ethylbenzene 0.000 0.186 0.190 0.2 93 95 2.1 <br /> Xylenes 0.000 0.570 0.578 0.6 95 96 1.4 <br /> TPH (diesel) 0 309 322 300 103 107 3.9 <br /> TRPH 0.0 22.1 21.8 20.8 106 105 1.4 <br /> (oil & grease) <br /> X Ree. = (MS - Sample) / amount spiked x 100 <br /> RPO = (MS - MSD) / (MS + MSD) x 2 x 100 <br /> i <br /> I <br /> I <br /> I <br />