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27-Apr-04 <br /> O <br /> cliArco MW-1B ' C O <br /> -1430 O N Z' <br /> Arco MW-1C <0 5 W U M <br /> Harbor Sea Food <0 5 W i CL -8 <br /> Store Former ; F ti <br /> Pump I <br /> Islands <br /> Liquor Store Vacant Lot Former ARCO Charter Way GZ _O <br /> 441 W.Charter Way , Batt&Tackle c <br /> L <br /> Arco MW-8B GCl s-- 4.0 <br /> -13.66 Z a C <br /> d <br /> <0 5 { C <br /> 068 O <br /> U <br /> Arco MW-8C ; <br /> WEST CHARTER WAY , <br /> U <br /> O 0 a Q),- <br /> Pump <br /> rPump MW4 <br /> - N LW-2 MW-19-81 .. <br /> 'i i' Food i, n� VVVI-4 -14 41 G - Q <br /> Islands ^� ''' Mart 2,300 cd <br /> IA-18-121) ''i 4 i'' � f <br /> 530 <br /> h141-13 a MW-18-80� Canopy I ==��-_�_ �I _- , new-tl1i�1-11-t?3 m <br /> - =- -19-1_0 <br /> — ,--- <br /> -1382 <br /> 2 200 2 Pit Stop MW.11-82 MAfN-17 Centro Mart Q <br /> Former& t Lube and -1408 W <20 Product Lines Current <br /> G� MNA-2 USTs Former Tune 1 9 V <br /> Texaco <br /> M-6 Station/ # <br /> Chevron Station Z United W <br /> 508 W Charter Way C Q Car Wash ''� Gas EXPLANATION � <br /> V _ "_' O h1x1-10 a- Groundwater mo rtonng well-Zone A <br /> ZFence <br /> 0-4 r 1 Vent Lines -p- Remediation + Groundwater mo itonng well-Deeper zones <br /> NI <br /> �4 8 Enclosure + Vapor extraction well � <br /> Destroyed well <br /> Groundwater elevation contour in feet referenced to <br /> _N mean sea level ( ms]) Arrows indicate <br /> Toscono Site approximate gro Indwater flow direction N <br /> 1444 Lincoln St. Q� <br /> p ) MW-11-$2/Well designation <br /> QST V <br /> 111ti -14 case _15 937--Groundwater ele ation, ft msl <br /> 76 Benzene concent ations to groundwater to parts per <br /> Scale (ft) 19 billion(ppb) (1) <br /> \MTBE concentr'tions to groundwater to ppb <br /> 0 25 50 100 <x Not detected at r porting limit x Z5 <br /> 1426 Lincoln St. INI-W-1f NM Not measured 4) o <br /> (UST case) ~ t U <br /> FIGURE U <br /> Approximate hydra Iic gradient=0 004 rami o <br /> 3 <br /> L � Y <br /> r O C <br /> Uo <br /> r <br /> U. <br /> � f2 <br />