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26-Feb-02 <br /> I I I I <br /> It: a <br /> r <br /> O <br /> i i A i I N 3 1c O <br /> x ^�/,, I E <br /> Fi o 61 <br /> I I , <br /> MW-2 ' <br /> (located 20 north) i i Well 5-1 000 ft Q 00 N <br /> Well 1 -100 ft(Destroyed) —N— L_� <br /> I I I V <br /> Well 2-700 ft -0 <br /> i I M0 I Well 3 900 ft <br /> I I Fy i I <br /> MW-3 I d O <br /> i I I 1 0 <br /> Canopy and ; U ; W E WIle <br /> E <br /> Chevron Dispenser Islands : Q U <br /> Food Mart ; ; H ; ; L as <br /> Well -1000 ft 0 V <br /> G� G� Existing UST I , I I <br /> Complex ' ' ' <br /> ! I I S I 4) <br /> _-----------_ Water Supply Wells ` <br /> within 1,000 feet I V <br /> ' I I S <br /> MW.1 Former UST Groundwater Flow Direction <br /> Complex I 1Q00 through 4Q01 <br /> I I I I <br /> MW-4 s <br /> I I I I <br /> I I Vacant Lot <br /> s i Scale(ft) <br /> (Former Unocal Gas Station) <br /> I I E I <br /> 0 15 30 60 <br /> Driveway <br /> I <br /> I I I I <br /> I I I I <br /> I I I i <br /> ! I I t <br /> -1A <br /> 8741 <br /> <25 I I I I I <br /> i <br /> HH-3A <br /> yQ .q2 - - I3,0 Abandoned <br /> Q <br /> 87.45 ---- -----------------I Water Well: U <br /> <0 50 <br /> 15 - EXPLANATION <br /> BF-1 <br /> Groundwater monitoring well <br /> i I I ! I <br /> NA I I I I I <br /> ' <2 0 I E Backfil'l well <br /> 690 I I O Sump <br /> d'> ' , <br /> 46 I I ! Abandoned water well <br /> a• ; R ' Grounater elevation contour in feet referenced to <br /> mean i1a level(ft ms]) Arrows indicate approximate <br /> Carwash w° Canopy and ; i i i / groundwater flow direction <br /> Dispenser Islands <br /> MW-3X—Well d ignition O <br /> 87 78—Groun water elevation,ft mslcc <br /> •'� '' Existing ' ' ' <br /> I I I I <br /> 195—Bente concentrations m groundwater in parts per 4-1 <br /> Fuel USTs <br /> 363 billion(ppb) Gi <br /> O y ,y _ _ ' MTBE concentrations in groundwater in ppb by EPA C_1 <br /> ' . ,,• , MW-2A I I I I <br /> 87.47 Metho 8260 �� <br /> <0 50 NA Not A atlable ay <br /> - 150 <x <br /> Not detected at detection limit x �u '2 <br /> Appro timate hydraulic gradient=0 0008 d? <br /> Former UST <br /> I I I E cd <br /> Location o E <br /> ctrl m o <br /> 205 <br /> RAMP .YNTEASTATE gOUTE NO. OFF RAMP - INTERSTATE ROUTE NO. 205 FIGURE .0 U <br /> ON <br /> Cl) <br /> 2E2 <br /> o Base M Fu of 4/5N5 V) c j <br />