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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele: 925-798-1620 Fax:925-798-1622 <br /> ' <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 04/29/99 Matrix: SOIL <br /> ' Concentration (mg/kg) 15 Recovery <br /> Analyte Sample Amount RPD <br /> 1 (#01961) MS MSD Spiked MS MSD <br /> ' TPH (gas) 0 .000 2.086 2 .168 2 .03 103 107 3 .9 <br /> Benzene 0 .000 0.196 0.202 0.2 98 101 3 .0 <br /> ' Toluene f 0.000 0.208 0.220 0 .2 104 110 5.6 <br /> Ethylbenzene 0.000 0.208 0.210 0 .2 f 104 105 1.0 <br /> Xylenes 0.000 0.614 0.616 0 .6 102 103 0 .3 <br /> TPH(diesel)• 0 300 301 300 100 100 0.5 <br /> ' TRPH 0. 0 23 .0 24.3 20.8 111 117 5.5 <br /> 1 (oil and grease) ) j <br /> V Rec. - (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) 'x Z x 100 <br /> 1 <br /> 1 <br />