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f <br /> r <br /> I N <br /> I <br /> 1 <br /> I <br /> 0 <br /> PARKI NC Q <br /> O <br /> Of <br /> w 0 60 120 <br /> -- z <br /> Mw- <br /> 1 BP OIL SCALE IN FEET <br /> SERVICE STATION ¢ LEGEND <br /> PARKING MW-3 AMWQo_5 i MW-7 GROUNDWATER MONITORING WELL <br /> 37 2300 IND<10 0 JACK IN ; TPH—G CONCENTRATION OF CONSTITUENTS <br /> 170 4 3 17a THE Box B T IN MICROGRAMS PER LITER, <br /> MW—4 Mweo i EX EXCEPT DISSOLVED OXYGEN, <br /> SQpp NQ<D 5 ND<1 o I WHICH IS IN PARTS PER MILLION <br /> 173 1 ND<5 0 ND< 1 0 ND<1 0 <br /> - 775 3� 42 AMW-3 TPH—G TOTAL PETROLEUM <br /> i HYDROCARBONS AS GASOLINE <br /> AMW-6 <br /> B BENZENE <br /> AMW-2 T TOLUENE <br /> AMW-4 MW-5 E ETHYLBENZENE <br /> TRACY BOULEVARD X TOTAL XYLENES <br /> DO DISSOLVED OXYGEN <br /> . ND NOT DETECTED ABOVE REPORTED <br /> DETECTION LIMIT <br /> MW-6 MW-8 CALCULATED GROUNDWATER <br /> I 0 008 GRADIENT DIRECTION AND <br /> MAGNITUDE IN FOOT PER FOOT <br /> FORMER NOT SAMPLED <br /> EXXON CHEVRON <br /> I <br /> FIGURE 3 <br /> CONCENTRATIONS OF PETROLEUM <br /> HYDROCARBONS IN GROUNDWATER <br /> AMW-1 APRIL 16, 1997 <br /> BP OIL SERVICE STATION NO. 11194 <br /> 2375 TRACY BOULEVARD <br /> TRACY, CALIFORNIA <br /> PROJECT NO. 10-085 <br /> m <br /> ^�ALISTO ENGINEERING GROUP <br /> WALNUT CREEK CALIFORNIA <br /> I <br /> I <br />