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110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> I <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 08/25/97 Matrix: Soil <br /> Concentration (mg/kg) I I Recovery <br /> Analyte I Sample I Amount I RPD <br /> 10#77621) MS MSD I Spiked I MS MSD <br /> I I � <br /> j T'PH (gas) I 0 .000 2 .247 2 .120 i 2 . 03 111 104 5. 8 i <br /> Benzene i 0 . 000 0 .168 0.190 i 0.2 84 95 12 .3 <br /> Toluene I 0 .000 b .182 0 .200 0.2 i 91 100 9.4 <br /> Ethylbenzene 0.000 0 .182 0.194 0.2 91 97 6.4 i <br /> Xylenes 0.000 0.570 0 .582 0.6 I 95 97 2 .1 <br /> I I <br /> f I I <br /> TPH(diesel) 0 328 326 300 I 109 109 0.5 i <br /> i f <br /> i TRPH N/A N/A N/A N/A N/A N/A N/A <br /> i (oil and grease) l I <br /> I I ! <br /> I <br /> k Rec. _ wS - Sample) / amount spiked x loo <br /> RPD = (NIS - MSD) / (MS + MSI)) x 2 x 100 i <br /> I <br />