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7MC <br /> AMPBELL ANALYTICAL INC. I 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> Tele:510-798-1620 Fax:510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 01/27/98 Matrix: WATER <br /> Concentration (mg/L) I I Recovery <br /> Analyte ISample I Amount RPD <br /> f1 (#85120) MS MSD I Spiked I MS MSD <br /> I I I <br /> I TPH (gas) 0 .0 115.1 118 .1 I 100.0 1115 .1 118 .1 2 .6 I <br /> Benzene I 0.0 10 .5 9.9 I 10 .0 1105. 0 99. 0 5 .9 <br /> I Toluene 0 .0 10. 9 10 .3 I 10.0 1109.0 103 .0 5 .7 I <br /> Ethyl Benzene 0 .0 10.7 10 .4 10 .0 1107.0 104.0 2 . 8 <br /> Xylenes I 0 . 0 31.5 30 -7 I 30 .0 1105. 0 102 .3 2 . 6 <br /> I I I I I <br /> TPH(diesel) I 0 134 123 I 150 I 89 82 -8. 6 I <br /> I <br /> TRPH I 0 20900 20600 I 23700 I 88 87 1.4 <br /> I (oil & grease) I <br /> I I I I j <br /> & Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / ;MS + MSD) x 2 x 100 <br /> s <br />