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03 Sep 04 <br /> i U o <br /> C d C'j <br /> O o <br /> . -Arco M Q I <br /> Former Arco MW-1C W C y 1 � <br /> Harbor Sea Food Pump d <br /> l -1327 <br /> CL <br /> Store <br /> Islands E <br /> � c0 50 <br /> <0 50 <br /> F <br /> Liquor Store Vacant Lot <br /> Former ARCO O <br /> 3 C <br /> Charter Way Gz C <br /> 441 W.Charter Way Y g Bait&Tackle MW-15 C <br /> Arco MW-8B a••• <br /> Arco MW-8C - - <br /> -1313 ,� C <br /> <0 50 O <br /> � I � <br /> WEST CHARTER WAY v <br /> i <br /> MW-4�VF W-1 MW-1 VFW-3 MW-5 MW <br /> � <br /> �11W-7 � � <br /> Pump / <br /> © VFW-2 <br /> eti u <br /> �,� r 7 rT VFW-4 Q <br /> Islands MW-18-80 ',� �' ': <br /> MW-18-120 <br /> :11Li ii Food h iy ti4W-11-Ki �q(� <br /> -13 97 ,ir ii, Mart 4a�� <br /> MW-13 49 _'---li=_ +$— --�4 E�(] MW-11 MW-11-82 DO <br /> - -;- -,T- - MK'-19-120 <br /> <0 50 i MW-11.122 <br /> Canopy } � � 1 , -14A0 MW-17 Centro Mart <br /> Former& 1 44 Pit Stop -1419 Q <br /> WProduct Lines Current i 082 Lube and 10 U <br /> W mW-2-�- USTs ' FormerMW-3 Tune <0 50 <br /> Texaco <br /> z/] MW-6 ''i' Station/ ` <br /> Chevron Station Z "' ARCO + I <br /> 508 W.Charter Way C Car washMW 10 EXPLANATION <br /> Fence — Groundwater monitoring well-Zone A <br /> q - U <br /> r.a Vent Lines Remediation + Groundwater sl onstormg well -Deeper zones U <br /> MW.-8 Enclosure + vaporextracts n well Q <br /> 0 Destroyed well <br /> Groundwater a evatlon contour in feet referenced to G <br /> -N mean sea level ft msl) Arrows indicate <br /> Toscono Site ! approximate undwater flaw direction <br /> 1444 Lincoln St CD <br /> ,Well designation .v <br /> (UST case) MW-11-122 <br /> MW-14 -15 31----Groundwater elevation, ft msl <br /> 32 Benzene conce itrations 1n groundwater 1n parts per CD <br /> Scale (ft) i <0 50""'billion (ppb) O <br /> MTBE concenatsons in groundwater in ppb V c � <br /> 0 25 50 100 <br /> <x Not detected at reporting 11mst x � t E � <br /> 1426 Lincoln St. MW-16 Sx <br /> 15 <br /> (UST case) NM Not measured FIGURE ar U U <br /> Approximate hydra 111c gradient=0 005 O <br /> o4 <br /> poo <br /> LL :3c <br /> t i <br />