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I <br /> PARKING I <br /> ' � N <br /> Q <br /> o <br /> MW--1 <br /> w 0 40 80 <br /> Z <br /> NOT SAMPLED <br /> I SCALE IN FEET <br /> I AMW-5 <br /> BP OIL 300 Q I LEGEND <br /> SERVICE STATION ND<O 5 ND<O 5 <br /> ND<O 5 ND<0 51C7 f $ GROUNDWATER MONITORING WELL <br /> PARKING MW-7 I GROUNDWATER RECOVERY WELL <br /> MW-2 NOT SAM LED JACK IN TPH—G <br /> 460 � THE BOX B T <br /> 1 010 6 1 CONCENTRATION OF CONSTITUENTS <br /> 1 4108 I E X IN PARTS PER BILLION <br /> TPH—G TOTAL PETROLEUM <br /> I MW-3 276' I HYDROCARBONS AS GASOLINE <br /> TRACE S BENZENE <br /> MW-4 T TOLUENE <br /> SHEEN AMW-6 E ETHYLBENZENE <br /> OAMW-2 $ ND<50 AMW-3 X TOTAL XYLENES <br /> -NOT SAMPLED D<0 S ND<0 5 NOT SAMPLED NOT DETECTED ABOVE REPORTED <br /> MW-5 ND<0 5 ND<0 5 ND DETECTION LIMIT <br /> AMW-4 ND<50 <br /> ND<50 Np<0 5 ND<0 5 CALCULATED GROUNDWATER <br /> ND<0 5 ND<0 5 ND<O 5 ND<O 5 MAGNITUDE LINE FOOT PER FOOT <br /> ND<O 5 ND<O 5 <br /> TRACY BOULEVARD <br /> MW-6MW-8 <br /> SHEEN NOT SAMPLED <br /> FIGURE 3 <br /> EXXON CHEVRON CONCENTRATIONS OF PETROLEUM <br /> HYDROCARBONS IN GROUNDWATER <br /> OCTOBER 22, 1993 <br /> AMW-1 I BP OIL SERVICE STATION NO. 11194 <br /> NOT SAMPLED 2375 TRACY BOULEVARD <br /> TRACY, CALIFORNIA <br /> PROJECT NO. 10-085 a <br /> i <br /> ALISTO ENGINEERING GROUP = <br /> I <br /> (wo WALNUT CREEK CALIFORNIA 8 <br /> i <br />