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ARCO AM/PM <br /> s, SERVICE STATION <br /> F <br /> i <br /> PRIVATE ROAD <br /> 0 30 60 <br /> �J) ! SCALE IN FEET <br /> MW-3 <br /> Mw-4 ND<o°<5Na <, LEGEND <br /> ND<5O ND<1 ND<1 <br /> N- . ND<1 ' GROUNDWATER MONITORING WELL <br /> 2.7 <br /> �vq<1 2 2 Nq<1 SERVICE ! �/� TPH-G CONCENTRATION OF CONSTITUENTS <br /> STATION Ld B T IN MICROGRAMS PER LITER, <br /> r BUILDING g ; Z MDDO <br /> W 5Q EX EXCEPT DISSOLVED OXYGEN, <br /> a f ND<0.5 ND<1 WHICH IS IN PARTS PER MILLION <br /> L J DISPENSER <br /> ND<1 ND<1 TOTAL PETROLEUM <br /> 'i <br /> ISLANDS W 1 �P�-G HYDROCARBONS AS GASOLINE <br /> UNDERGROUND I : o6 BENZENE <br /> USED OIL TANK 3) Q T TOLUENE <br /> MW-5 = I E ETHYLBENZENE <br /> ppo 320 Q ~ <br /> X TOTAL XYLENES <br /> Ld <br /> DO DISSOLVED OXYGEN <br /> �t D� I Msoo_2 X2'92 2 a 3: ND NOT DETECTED ABOVE REPORTED <br /> MW 1 89019 DETECTION LIMIT <br /> 70111 N -0 D<10 ! 1 X2.2 CALCULATED GROUNDWATER <br /> (�j ND<10 ND<10 f '� 0.002 GRADIENT DIRECTION AND <br /> �} 2.4 — — ' MAGNITUDE IN FOOT PER FOOT <br /> \7 U —NDERGROUND 1 <br /> FUEL TANKS <br /> PLANTER I <br /> DRIVEWAY JI <br /> f <br /> pR1VEWAY o ? <br /> TRANSFORMER i <br /> I <br /> O <br /> P )'FIGURE 3 <br /> I'CONCENTRATIONS OF PETROLEUM <br /> HYDROCARBONS IN GROUNDWATER <br /> MW-6 JULY 12, 1996 <br /> ND<0 15ND<1 8P OIL SERVICE STATION NO. 11193 <br /> ND<1 I ND<1 3202 WEST HAMMER LANE R <br /> 3.3 STOCKTON. CALIFORNIA <br /> PROJECT NO. 10-136 <br /> I <br /> e <br /> ALISTO ENGINEERING GROUP <br /> I WALNUT CREEK, CALIFORNIA <br /> i <br />