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110 2nd Avenue South,#D7,Pacheco,CA 94558 <br /> McCAMPBELL ANALYTICAL INC. Tele:925-798-1620 Fax:925-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 09/14/99 Matrix: SOIL <br /> Concentration (mg/kg) I I Recovery 1 <br /> Analyte I Sample I Amount I RPD 1 <br /> I (#12856) MS MSD I Spiked I MS MSD <br /> I ! I I ! <br /> I I I I ! <br /> TPH (gas) I 0.000 1.790 1.768 1 2.03 1 88 87 1.2 ! <br /> Benzene I 0.000 0 .184 0 .196 I 0.2 1 92 98 6.3 <br /> Toluene 0.000 0.186 0.212 1 0.2 I 93 106 13 .1 <br /> 1 Ethylbenzene 0.000 0.186 0.196 1 0.2 I 93 98 5.2 <br /> Xylenes ! 0.000 0.566 0.606 1 0.6 I 94 101 6.8 <br /> ! I I <br /> TPH(diesel) ! 0 272 274 1 300 I 91 91 0.7 1 <br /> TRPH ! 0.0 22.0 21.6 1 20.8 106 105 0.9 1 <br /> 1 (oil and grease) ! I I <br /> ! I I 1 <br /> W Rec. (MS - SamPle) / amount spiked x 100 <br /> RPD =( (MS - MSD) / (MS + MSD) )x 2 x 100 <br /> I f <br />