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{ 11-Aug-03 <br /> s m o <br /> O 4) N <br /> Arco MW-1B I N J <br /> r <br /> NM Arco MW-1C + W ! W r <br /> Harbor Sea Food i <br /> StorePer � � I 4) � <br /> P C <br /> Liquor Store Vacant Lot Former ARCO Islands Charter Way z O <br /> 441 W.Charter Way Bait&Tackle MW-15 i <br /> Arco MW-8B 7 O C <br /> Arco MW-SC <br /> =12.28 i a C <br /> <0.5 <br /> <o.s � .i <br /> V <br /> -12.5 <br /> WEST CHARTER WAY <br /> ` r <br /> _ yy -1_ - -9 <br /> Pump _F�r MW-44 T MW 5 / <br /> MW-7 VEW-1 <br /> 0 VEW-2 MW-19-81 <br /> N <br /> Food t ' rr,, -13.3S � -a VEW-4 5 400 <br /> Islands :' Mart �i �;' 370 / <br /> MW-18-80 MW-18-120 ' <br /> -13.35 <br /> MW-13 2,300 <br /> Canopy <br /> 20 / <br /> C10 0.00�pit Stop MW-11-122 MW-11-82 <br /> MW-17. Centro Mart <br /> Q <br /> Former& -13.66 <br /> WProduct Lines Gent ,1 .5 Lube and 66 () <br /> MW-2 USTs ; Former 0.96 <br /> �,,F-___ _ Texaco MW- <br /> �'` �''' Station <br /> Chevron Station aEXPLANATION <br /> 508 W.Charter Way Car Wash '� +MW-10 <br /> ' Groundwater monitoring well-Zone A <br /> Fence Groundwater monitoring well -Deeper zones <br /> ,.a Vent Lines -+-- Remediation <br /> MW-8 Enclosure Vapor extraction well <br /> ¢1 Destroyed well C <br /> Groundwater elevation contour in feet referenced to 0 <br /> -N- mean sea level(tt ms]). Arrows indicate <br /> Toscono Site / approximate groundwater flow direction. <br /> 1444 Lincoln St. <br /> (UST case) i MW-11-8 <br /> designation; Ci <br /> MW-14 -15.93---Groundwater elevation, ft msl. -L <br /> 76 Benzene concenations in groundwater in parts per QScale(ft) 1.9 billion(ppb) X13 >%\MTBE concentrations in groundwater in ppb O c° <br /> 0 25 50 100 WE <br /> L C <br /> t <x Not detected at reporting limit x o <br /> 1426 Lincoln St. MW-16 � � � = <br /> cc <br /> (UST case) NM Not measured FIGURE i U U <br /> (D c <br /> Approximate by raulic gradient= 0.005 to 0.007D 0 <br /> CO 3C) <br /> O <br /> LL 4 to <br />