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r aI } -.�- <br /> �.Y <br /> S <br /> Chevron U.S.A. <br /> Page 7 <br /> is <br /> TABLE I-A <br /> Concentrations of Petroleum Constituents in soil <br /> (Concentrations measured in parts per million) <br /> Sample <br /> ' S.D. Benzene Toluene Ethbnz. Xylenes T.P.H. <br /> F £ <br /> DI1-3-N.Wall n/d <0.010 n/d <0.010 n/d* <br /> r' <br /> D11-2I-N.W.Bot. n/d <0.010 n/d n/d n/d* <br /> DI1-15-N.W.Wall n/d <0.010 n/d <0.010 n/d* <br /> DII-10-S.W.Wall n/d n/d n/d <0.010 n/d* <br /> DII-15-S.W.Wall n/d <0.010 n/d <0.010 n/d* <br /> DII-21-S.C.Bot. n/d n/d n/d <0.010 n/d* <br /> D11-21-E.Wall n/d <0.010 n/d y'd n/d* <br /> Fm. <br /> Legend: <br /> Ethbnz. - Ethylbenzene <br /> T.P.H. - Total Petroleum Hydrocarbons <br /> n/d - Non--detected <br /> * - Total Petroleum Hydrocarbons as gasoline & diesel <br /> DI - Dispenser Island <br /> S - South, N - North, E - East, W - West, C - Center <br /> Bot - Bottom of Excavation <br /> �.. Wall -- Excavation Sidewall <br /> < - Less than <br /> 4 Certified analytical reports for DI-1 are included in <br /> i-A <br /> Appendix A of this report. The reports include analytical <br /> ., methods as well as the method detection limit for each <br /> s,a analysis. Excavation DI-1 was backfilled using 3/8-inch pea- <br /> gravel. <br /> rb <br /> 16000-250-044 <br /> Corrected <br /> 1:Nmi's& 'Moo](I. <br />