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42 Feb 05 <br /> Arco MW-1B m <br /> -1495 O 4) N <br /> 15 = O <br /> <Q 50 T <br /> O N � <br /> E-� U 1 -0 <br /> Harbor Sea Food Arco oMW-IC 1�0 W rmer _ C cc p <br /> Store I E., 2 Z <br /> Pumpcon a <br /> Liquor Store Vacant Lot Former ARCO <br /> Islands Charter Way Z G <br /> 441 W.Charter WayBait&Tackle - Ml-,-15 G <br /> L <br /> Arco MW-8B i �+ <br /> =14 95 Z f 1 d <br /> <0 50 ; <br /> <0 50 <br /> O � <br /> U <br /> iI <br /> i � <br /> WEST CHARTER WAY Arco MW-8C -15 5 <br /> d <br /> t <br /> / U <br /> E <br /> MW-1_V' ' NIW-9 <br /> a n -aa -0 NI W-5 0- <br /> Pump b1 VV-7 / v1W--t '1'P WA <br /> VL'W-2 �MW-19-81 <br /> ii Food �i i`'� VLW-4 -1586 Q <br /> Islands ';1 +' Mart ' h" 350 cd 't� <br /> 160 <br /> "111'x-1842fl <br /> 1�14V-]� MW-18-80 Canopy ---1'_=' � ��--4 R -t NM-11-122 � m <br /> M11«-19-1211 �� <br /> - - 7-- <br /> .15.56 ! ' MW-11-82 Centro Mart <br /> /Former& Q <br /> 1,800 Pit stop -16.06 - 111 -17 W <1 Product Lines Lube andCurrent <0 50 U <br /> a M�'�-2-0- USTs _ ; Former Tune 14 <br /> Texaco NM- <br /> Station/ 1 <br /> Chevron Station Z t 11�+ <br /> 1 ARCO <br /> 508 W.Charter Way G Car Wasn ' lEXPLAINATION <br /> 01 <br /> Z - - -"' h 10 O- Groundwater monitoring well-Zone A <br /> Fence <br /> m <br /> '"'' + Groundwater omn <br /> tong well-Deeper zones <br /> Vent Lines -d Remediation <br /> Al W-8 Enclosure + Vapor extraction well <br /> 0 Destroyed well v <br /> _ Groundwater elevation contour in feet referenced to �> <br /> _N mean sea level (ft msI) Arrows indicate Q� <br /> Toscono Site approximate groundwater flow direction y <br /> 1444 Lmcoln St. <br /> MW-11-82--Well designati0 4)(CYST Case) --GGroundwater el i anon,ft msl <br /> DI�'4-14 -15 93 � <br /> 76 Benzene concentrations in groundwater in parts per i <br /> Scale(ft) 19 billion(ppb)\ O MTBE concentr,tions m groundwater in ppb v O o <br /> 0 25 50 100 <br /> <x Not detected at 1� parting limit x Cc U <br /> 1426 Lincoln St. MW-16 Qf CC <br /> o <br /> NM Not measured �,. � � � <br /> (UST case <br /> FIGURE L C U U <br /> Approximate hydraulic gradient=0 004 (D O <br /> &.. � <br /> O *., � <br /> LL (1) r.2 <br /> IF <br /> - - - <br />