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15-Feb-01 <br /> ui 4 Q. a <br /> Harbor Sea Food O N <br /> Store --FormerP mpC N i <br /> 0 0 <br /> Liquor Store Vacant Lot Former ARCO Islands Charter Way Z V +� <br /> 441 W Charter Way Bait&Tackle w�„ o MW-15 i i E <br /> 7 -14 12 -W o <br /> 1 70 z <br /> Z (<2 0) 3 <br /> sv <br /> WEST CHARTER WAY <br /> VEW-1 VEW-3 ` ~ �- <br /> MW-7 MW-1 MW-5 MW-9 t <br /> -1042 -1080 1-1106 -1111 `` V <br /> 246 3,120 _ T <br /> (�00) MW-4o 500 (�) (27) (<10) <br /> -9 96 c <br /> Pump <0 5001 T T <br /> (6 63) VEW-2 <br /> Former <br /> Texaco <br /> Islands <br /> Station i <br /> o � I VEW-4Cd <br /> 4b 1 t� <br /> Cano _ ==E��-_ - ___ Q <br /> --a- <br /> MW-13 E-4 py ' 4'; ;;�'; k Pit Stop MW-11 <br /> ¢ MW-17 Centro Mart — <br /> Product Lines , P -11 03 � � <br /> -10 39 r/] Forme , Lube and 5,110 -1085 1<0 500 Z USTs Tune (7 3) <0 500 m <br /> (<2 0) C MW-2 ;ti, (<2 0) <br /> V <0 500 ?,,, --- + MW-3 I Q <br /> ~j i <br /> +Z+ MW-6 o (<2 00) "i 078 V <br /> ''-� -9.81 (3 7 <br /> Chevron Station <br /> 508 W Charter Way <0 500 i Car Wash <br /> (<2 00) `-;- Vent Lines + <br /> Fence —MW-10- <br /> -1122 <br /> MW-1-1122 <br /> 729 <br /> EXPLANATION MW9-8 I (<10) <br /> 194 J <br /> + Groundwater monitoring well (<2 0) 1 <br /> C <br /> + Vapor extraction well Toscono Site O <br /> 1444 Ltncoln <br /> i Groundwater elevation contour in feet referencedSt (UST case) y <br /> to mean sea level (ft msl) Arrows indicate MW-14 <br /> approximate groundwater flow direction -1101 d <br /> Well designation <0 5000 <br /> ft <br /> /Groundwater elevation, msl (<2 00) <br /> MWA •� <br /> _7_25�Benzene concentrations in groundwater in parts per – �' <br /> <0 500/billion(ppb) MW-16+ 0 W <br /> (33 4) MTBE concentrations in groundwater in ppb by DryCC <br /> EPA Method 8020,results in parentheses are 1426 Lincoln St NA F i <br /> analyzed by EPA Method 8260 (UST case) NA X � p <br /> <x Not detected at detection limit x <br /> NA Not available Scale(ft) FIGURE Cn C 1 <br /> i i <br /> rn Approximate hydraulic gradient=0 01 to 0 020 <br /> co 0 25 I 60 100 2 111– <br /> o <br /> T <br /> i <br />