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r <br /> � N <br /> PARKING cl <br /> MW-1 Q <br /> NOT SAMPLED 0 60 120 <br /> W <br /> Z_ SCALE IN FEET <br /> BP OIL J <br /> ,LEGEND <br /> SERVICE STATION I— <br /> >I Q MW-7 <br /> AMW-5 I GROUNDWATER MONITORING WELL <br /> PARKING I CrJACK IN I <br /> I 1�o CD NOT SAMPLED TPH-G CONCENTRATION OF CONSTITUENTS <br /> ND<0 5 ND<1 THE BOX B T IN MICROGRAMS PER LITER, <br /> ND<1 1 ND<1 M�y_2 , O EXCEPT DISSOLVED OXYGEN, <br /> MW-4 5 2 MW-3 5200 I DO WHICH IS IN PARTS PER MILLION <br /> i1sQ 4 NOT SAMPLED ND<I ND<i AMW-3 I TOTAL PETROLEUM <br /> AMW-2 590836 31 NOT SAMPLED I TPH-G HYDROCARBONS AS GASOLINE <br /> NOT SAMPLED 40 <br /> —' <br /> B BENZENE <br /> AMW-6 <br /> ND<50 T TOLUENE <br /> AMW-4 MW-5 ND<0 5 1 ND<1 <br /> ND<50 580 �ND<1 I ND<1 <br /> } E ETHYLBENZENE <br /> ND<O 5 1 Nb<1 .__ 35 5 49 �'f X TOTAL XYLENES <br /> ND<1 61 <br /> ND<1 3 13 o TRACY BOULEVARD37 Da DISSOLVED OXYGEN <br /> I ND NOT DETECTED ABOVE REPORTED <br /> DETECTION LIMIT <br /> MW--6 MW-8 CALCULATED GROUNDWATER <br /> NOT SAMPLED NOT SAMPLED O 007 GRADIENT DIRECTION AND <br /> MAGNITUDE IN FOOT PER FOOT <br /> FORMER <br /> EXXON CHEVRON <br /> I <br /> FIGURE 3 <br /> I <br /> jCONCENTRATIONS OF PETROLEUM <br /> HYDROCARBONS IN GROUNDWATER <br /> (JULY 1 , 1996 <br /> AMW -1 <br /> NOT SAMPLED BP OIL SERVICE STATION NO. 11194 <br /> g <br /> 2375 TRACY BOULEVARD = <br /> TRACY, CALIFORNIA = <br /> s <br /> PROJECT NO 10---085 <br /> d <br /> I <br /> ALISTO ENGINEERING GROUP <br /> (Q& WALNUT CREEK CALIFORNIA <br /> I - - <br />