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03-8ep-04 <br /> ,y fi U o <br /> O d N <br /> �. O N°.' <br /> H V iV � <br /> Former Arco C <br /> ArMW-1C <br /> Harbor Sea Food Islands -1454 a <br /> Store I <0 50 [-� <br /> 0000 a0 50 f O <br /> Liquor Store Vacant Lot Former ARCO Charter Way fz <br /> 441 W Charter Way Bait&Tackle MW-15 O i <br /> 00 �+ <br /> Arco MW-ss Arco Mw-8C ',�� E d <br /> -14.39 d' <br /> a0 50 > O <br /> <0 50 V <br /> S <br /> 150 Si <br /> WEST CHARTER WAY / •� <br /> / z <br /> r <br /> M ' 4 <br /> MW-7 -VEW-1 MW-1 V -# MW-9 <br /> + MW-5 <br /> Pump � 000, VEW-2 _ <br /> Q <br /> rn� VE W- Y — <br /> Islands MW-18-80 ��� � �� h'� <br /> MW-18-12{1 ;i' �� Foody y� W-19-81 <br /> 0 -1494 Mart +i �'� MW-11 m <br /> _ i- � MW-11-82 <br /> MW-13 so �� _ = - -� MW-19-120 <br /> <0 50 Canopy t d 1;--- -1552 MW-11-1 MW-17 < <br /> Mart Q <br /> Former& 096 Pit Stop -1559 <br /> 21 U <br /> W Product Lines Current 086 Lubeand <050 <br /> W MW-2USTs¢ - -� <br /> Former Tune <br /> -rI- MW-3 <br /> E„ �; Texaco- <br /> MW-6 Station/ <br /> Chevron Stationz ,'�' ARCO { 7 <br /> ,..a car wash EXPLANATION <br /> 508 W.Charter Way p , MW-1a , <br /> Fence -- - Groundwate7 monitoring well -Zone A <br /> ,,..� Vent Lines Remediation -�- Groundwat. monitoring well -Deeper zones <br /> MW-8 Enclosure Vapor extra I ction well <br /> DestroyedA ell v <br /> { <br /> Groundwat elevation contour in feet referenced to <br /> _N– mean sea le el(ft msl) Arrows indicate <br /> approximatt groundwater flow direction <br /> Toscono Site 115 <br /> 1444 Lincoln St. , 4) <br /> (UST case) MW-11-122--Well design lilon C <br /> MW-14 -15.31 Groundwat elevation,ft msl cc <br /> 32 Benzene coi centrations to groundwater in parts per <br /> Scale(ft) <05 billion (ppb 'O <br /> MTBE con j ntrattons an groundwater xn ppbIN—M ?y <br /> 0 25 50 100 <br /> <x Not detect at reporting limit x V o <br /> 1426 Lincoln St. MW-16 <br /> (CYST case) 1v11I Not measur FIGURE 4 U U <br /> Approximate by aultc gradient=000512 45 <br /> 4 L <br /> - <br /> 0 � � <br />