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110 2nd Ave, ue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL .INC. r <br /> Tele:510-798-1620 Fac 510-798-1622 <br /> i <br /> I, QC REPORT FOR HYDROCARBON ANALYSES <br />` L <br /> Date: 08/26/97 Matrix: Soil <br /> I <br /> 1 Concentration (mg/kg) I u Recovery <br /> Analyte I Sample I Amount RPD 1 <br /> 1 (#77621) MS MSD Spiked I MS MSD 1 <br /> TPH (gas) 1 0.000 2.110 2 .197 1 x.03 I 104 108 4.0 <br /> 1 Benzene 1 0.000 0.180 0.184 1 ; 0.2 1 90 92 2.2 1 <br /> Toluene 0.000 0.190 0.196 1 ! 0.2 I 95 98 3.1 <br /> 1 Ethylbenzene 1 0.000 0.188 0.194 j 10.2 I 94 97 3 .1 { <br /> 1 Xylenes 1 0.0.00 0,568 0 .586 Jf 0.6 1 95 98 3.1 1 <br /> i <br /> 1 TPH(diesel) 1 0 .329 327 1 ; 300 I 110 109 0.6 <br /> 3 <br /> 1 TRPH ( 0.0 19.1 20 .0 1 20.8 1 92 96 4.6 <br /> I (oil and grease) 1 <br /> i <br /> 91 Rec. _ (MS - Sample) / amount spiked x 190 <br /> RPD = (MS - MSD) / (MS « MSD) x 2 x 100 l' <br /> :I <br />