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Chevron U.S.A. <br /> Page 11 <br /> Eight samples were obtained from the limits of the e:xcavati3n <br /> on the south and east sides of MW-2 (DI-3) . Again, the <br /> sample locations were specified by tor. Harlan Knoll of the <br /> San Joaquin County Environmental Health Department. The <br /> results of chemical analyses conducted on th•a soil samples <br /> obtained on February 23, 1990 are presented in Table II-A <br /> TABLE II-A <br /> Concentrations of Petroleum Constituents in soil <br /> ' (Concentrations measured in parts per million) <br /> ... Sample <br /> t:.a <br /> I.D. Benzene Toluene Ethbitz. Xylenes T.P.H. <br /> D13-21-W.Wall n/d 0.04 n/d n/d n/d <br /> ,j <br /> D13-25-E.Wall 0.03 0.05 n/d n/d n/d <br /> D13-14-E.Wall n/d n/d n/d n/d n/d <br /> D13-18-S.wall n/d 0.03 n/d n/d n/d <br /> ` DI3-25-N.Wall 0.02 0.05 n/d n/d n/d <br /> k.:+ DI3-26-sot n/d n/d n/d n/d 1.9 <br /> D13-12-S.Wall n/d n/d n/d n/d n/d <br /> D13-15r-N.Wall 2.4 8.7 10 49 540 <br /> F <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 /> , F Hot - Bottom of Excavation <br /> Wall - Excavation Sidewall <br /> < - Less than <br /> L� <br /> 16000--250-044 <br /> Corrected <br /> DAAIP; MO OI <br />