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09-May-02 <br /> CL 01 <br /> O tR o <br /> Harbor Sea Food W +O+ <br /> Store ormer C C Y <br /> �"' O O <br /> Pump V , <br /> Liquor Store Vacant Lot Former ARCO Islands Charter Way Z n0 <br /> 441 W.Charter Way Bait&Tackle 1VIW-15 - C U_ <br /> -1254 v <br /> <0 50 <br /> <050 ? V <br /> O <br /> 0 V <br /> F <br /> WEST CHARTER WAY .d <br /> b-+ MW-1 <br /> -12.16 U <br /> 500 1, <br /> MW-4 MW-9 <br /> rA �0- 13.86 39 MW-5 -12.43 <br /> a <0 50 <25 0 -12 28 4<20 I <br /> Q �<0 50 VEW 1 1 �V-3 150 <br /> Pump '�,5VEW-2 T <br /> Islands j2 �;� �� Food <br /> II Mart '� VE'W-4 <br /> © <br /> Canopy----," � II, � �, 1 <br /> MW-13 __�_-_ --'k T Q <br /> ' T Centro Mart <br /> -11.69 ! ! ! t Former Pit Stop 11 2-54 MW-17 <br /> <0 50 Former&�� Texaco Lube and -12.58 <br /> <0 50 Product Lines Current ' Station Tune 9160 <0 50 <br /> M�'"2 USTs <br /> -11.72 -�;,f--_ - MW-3 <0 50 <br /> Q <br /> -1158 <0 50 �;;, -1212 U <br /> Chevron Station <0 50+ <0 50 ' 280 <br /> 508 W Charter Way 069 Car Wash '01 60 <br /> - -- ''912.50 <br /> ey—- <br /> 14 Fence <br /> Vent Lines Remediation <0 50 <br /> EXPLANATION MW-8 Enclosure <br /> + Groundwater monitoring well 'I -11 18 <br /> IS <0 50 <br /> + Vapor extraction well <0 50 <br /> 0 Destroyed well Toscono Site <br /> C <br /> R / Groundwater elevation contour in feet referenced to 1444 Lincoln St. <br /> r mean sea level(ft msl) Arrows indicate (UST case) N <br /> / approximate groundwater flow direction -1215 <br /> -1215 <br /> , d <br /> Well designation <0 50 U_ <br /> /Groundwater elevation,ft msl <050 � <br /> MW-6 d <br /> -N- '- <br /> _7 25 Benzene concentrations in groundwater in parts per V)<0 5�billion(ppb) MW-16 ;d O civ <br /> 334 _MTBE concentrations in groundwater in ppb by 1426 Lmcoln St. <br /> EPA Method 8260 R ca <br /> <x Not detected at detection limit x (UST ease) f o <br /> NM Not measured {I <br /> FIGURE <br /> Scale( <br /> NS Not Sampled ft) <br /> Approximate hydraulic gradient=0 02 0 25 50 100 i <br /> 1 2 <br /> OU <br /> r LL .4 co <br />