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PARKING <br /> - d <br /> 0 <br /> LLI 0 40 80 <br /> MW-1 Z <br /> ND<50 <br /> ND<0.5 ND<0.5 <br /> ND<0.5ND<0.5 SCALE IN FEET <br /> 3.4 eP OIL ¢ LEGEND <br /> SERVICE STATION AMW-5 <br /> ND<50 I GROUNDWATER MONITORING WELL <br /> PARKING ND<0.5 ND<0.5 I <br /> ND<0"5 ND<0"5 MW-2 MW-7 JACK IN . 16 GROUNDWATER RECOVERY WELL <br /> 3.7 $ ND<50 THE Box TPH-G CONCENTRATION OF CONSTITUENTS <br /> MW-3 ND<50 <br /> Np<0.5ND<0.5 B I T- IN PARTS PER BILLION, EXCEPT <br /> • ND<50 NO<C.5 ND<0.5 ND<0.5 ND<0.5 <br /> ND<0.5ND<0.5 ND<0-5ND<0.5 3.4 E X DISSOLVED OXYGEN, WHICH 15 IN <br /> ND<0.5END<C.5 2,8 PARTS PER MILLION <br /> NOT MEASURED DO <br /> MW-49 276 TOTAL PETROLEUM <br /> 23000 AMW-6 7PH G HYDROCARBONS AS GASOLINE <br /> = 210 ND<50 - 8 BENZENE T <br /> 720 1200 <br /> ND<0 5 ND<0 5 <br /> ..-. _.. 3�2, _ T TOLUENE <br /> AMW-2 $AMW-4 3 4 AMW-3 E ETHYLBENZENE <br /> -ND<50 ND<50 ND<50 - X TOTAL XYLENES <br /> ND<0.5 ND<0.5 ND<0.5 ND<0.5 MW--S ND<p,5 Np<0.5 <br /> ND<0.SINN <br /> ND<0.5 ND<0.5 ND<015 ND<5C ND<0.5 ND<0.5 DO DISSOLVED OXYGEN <br /> 3.5 3.4 - Np<0.5 Np<0.5 3.4 NOT <br /> ND<0.5 ND<O.5 ND DETECTION TL LIMIT REPORTED <br /> NOT MEASURED TRACY BOULEVARD CALCULATED GROUNDWATER <br /> GRADIENT DIRECTION AND <br /> MAGNITUDE IN FOOT PER FOOT <br /> MW-6 MW-8 <br /> NOT SAMPLED ND<50 <br /> ND! ND<Q.5 <br /> ND<0.3.4D<0.5 FIGURE 3 <br /> m - <br /> EXXON CHEVRON CONCENTRATIONS OF PETROLEUM <br /> HYDROCARBONS IN GROUNDWATER <br /> JUNE 7,_1994 <br /> AMW-I BP OIL SERVICE STATION NO. 11194 <br /> ND<50 2375 TRACY BOULEVARD <br /> ND<0.5 ND<C.5 TRACY, CALIFORNIA e <br /> ND<0.5 ND<0.5 <br /> 13 3 PROJECT NO. 10-085 <br /> A46 <br /> ALISTO ENGINEERING GROUP <br /> WALNUT CREEK, CALIFORNIA <br />