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110 2nd Avenue South, #137,Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 09/17/98-09/18/98 Matrix: SOIL <br /> Concentration (mg/kg) I Recovery <br /> Analyte I Sample I Amount I RPD I <br /> I (#90409) MS MSD I Spiked I MS MSD <br /> j TPH (gas) I 0. 000 1.841 1. 927 2 .03 I 91 95 4.6 <br /> Benzene I 0. 000 0 .196 0 .204 I 0.2 I 98 102 4 . 0 <br /> Toluene I 0. 000 0 .200 0 .210 I 0.2 100 105 4 .9 <br /> Ethylbenzene I 0. 000 0.202 0.212 I 0.2 101 106 4 .8 <br /> Xylenes I 0.000 0.606 0. 642 I 0. 6 I 101 107 5. 8 <br /> I I I I ! <br /> TPH(diesel) I 0 310 315 I 300 ( 103 105 1.7 <br /> 1 TRPH I N/A N/A N/A I N/A I N/A N/A N/A <br /> I (oil and grease) I <br /> I I I 1 <br /> W Rec. (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS ► MSD) x 2 x 100 <br />