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15 Apr 01 <br /> • Harbor Sea Food I L Q r <br /> 0 N <br /> Store Former 1.6 <br /> Pump C C T <br /> Liquor Store Former ARCO Islands O <br /> Z <br /> O <br /> y Vacant Lot Charter Way W (� *-, c» <br /> 441 W Charter Ways Bait&Tackle MW-15 <br /> a -1127 <br /> y Z <0 500 d tL <br /> 1 (3 72) �: v <br /> 1 c o <br /> o _ <br /> WEST CHARTER WAY <br /> VEW-1 ---) VEW-3 •� <br /> MW-7 j / , MW-9 Z <br /> [� <br /> -1058 MW-5 -1126 () <br /> <0 500 -1108 4,090 <br /> Z (<2 00) 164 (2 21) <br /> Pump0 MW 4 (20 8) <br /> Z -1015 V=- <br /> -976 <br /> EW-2 MW-1 <br /> 11100 <br /> 1 361 <br /> Islands Former x;(11 1) �;��' , <br /> Texaco (9 59} <br /> yy Station �, VEW-4 -n <br /> = Q <br /> MW-13 Canopy -- r I l i- I Q <br /> MW-11 <br /> Product Lines r 1r 1c 1 Pit Stop MW-17 Centro Mart <br /> -1049 Former -11 12 <br /> Lube and 2,350 -1117 m <br /> 1 12 ;USTs i Tune } <0 500 <br /> (<2 00) MW-6 MW-2 �r ' i�J (7 37 <br /> \ -9 76 <br /> -1025 <br /> '' = J MW-3 I (<2 00) <br /> <0 500 <0 500� -10 66 <br /> Chevron Station \ 2 00)i (<2 00) 277 <br /> 508 W Charter Way '-t0 0 Car Wash "' (8 08) <br /> Vent Lines + <br /> Y Fence MW-10 <br /> -1126 <br /> -SO 5 T 239 <br /> EXPLANATION MW-8 (<2 00) <br /> -1094 <br /> 500 <br /> Groundwater monitoring well <0<0 00) I <br /> 0 <br /> -# Vapor extraction well Toscono Site O <br /> 1444 Lincoln St ' <br /> / Groundwater elevation contour in teet referenced to - (UST case) j <br /> r mean sea level (ft ms]) Arrows indicate MW-14 Cl) <br /> / approximate groundwater flow direction -1095 p� <br /> /Well designation <0 500 V <br /> Groundwater elevation, 1t msl (<2 00) � <br /> MW-6� { s� <br /> -7 25 Benzene concentrations in groundwater in parts per I —N— d <br /> <0 500 billion (ppb} MW-16 <br /> t <br /> (33 4) y�MTBE concentrations in groundwater in ppb by CZ <br /> EPA Method 8020, results in parentheses are 1426 Lincoln St DA a 3 C <br /> r analyzed by EPA Method 8260 (UST case) I NA X -L o <br /> ( C <br /> <x Not detected at detection limit xZ <br /> U c <br /> NA Not available Scale(11) FIGURE <br /> o <br /> CD Approximate hydraulic gradient=0 007 to 0 03 ( 0 25 50 100 U <br /> O o <br /> LL It 0 <br /> - <br />