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I � T <br /> y 18-Oct-02 <br /> CL o <br /> Harbor Sea Food IN <br /> Store I --Former = L <br /> Pump V) s O <br /> Liquor Store Vacant Lot Former Arco islands Charter Way �} n <br /> 441 W Charter Way Bait 8r Tackle - = r <br /> 1m <br /> ' <0 50 ,0 GI <br /> <0 50 <br /> > V O <br /> j L <br /> WEST CHARTER WAY -1cc <br /> 820 Z3 <br /> 67 <br /> M --4 $ o O <br /> -115.91 -15.60 -113.% ~� <br /> y <0 50 5 VEW-1 VEW-3 —�7 ' <br /> ss <br /> # Former <br /> Pump l`ro �T��.C / MW-y e <br /> Station 0,0 VEW-2 -14.04 <br /> MW-18-84* ',i ' 'i i^� VEW-4 MW-19-81* 1,000 ¢ " <br /> Islands `I I -14.21 1 �'' ;� / �; ;," -14.25 0 MW-11-82* <br /> 1,900 1� �; � 8,800 l -14.41 <br /> MW-13+ <10 �___-��'_ _$- --�4�� 450 MW.11T 110 Q <br /> -13.53 MW-18-120* — 1 1 1 1 MW-19-I2o* -14.14 3 6 <br /> <0 50 -14.98 Former Product �� ' 'i t er�lr! Pit Stop * � Centro Mart <br /> <0 50 ` 49 ;Former& ; -1471 p 3,400 MW-11-122 -13.93 <br /> <0 50 Lines '/ Current ; 520Tune d 46 -14.76 m <br /> F / USTs -' 9 0 36 <0 50 <br /> ,MW-2 MW-3+ 056 Q <br /> -13.40 -13 78 / U <br /> Chevron Station O + <0 50 ,�, 94 <br /> 508 W Charter Way U�� MW-6 50 Car Wash ��„� 1 3 <br /> -13.18 __'`_' nt -1422 <br /> <0 50 Fence -�---9 <br /> 055 � <0 50 <br /> EXPLANATION I <br /> Wi . i <br /> -+- Groundwater Monitoring Well -13.5 -139 85 <br /> <0 54 <br /> Vapor Extraction Well <0 50 C <br /> ® Soil Boring Toscono Site O <br /> �1 Destroyed Monitoring Well 1444 Lincoln St _ <br /> (UST case) 0 <br /> Well designation MW-14 . <br /> MW-,/Groundwater elevation,ft msl -13. ♦cg <br /> -7.25/Benzene concentrations in groundwater in parts per 0 50 (n •� <br /> <0 500/billion(Ppb) v <br /> 33 4 —MTBE concentrations in groundwater in ppb by -N- •' (/) <br /> EPA Method 8260 MW-16 p <br /> I1- <br /> ) C V ca <br /> <x Not detected at detection limit x c <br /> CONM Not measured 1426 Lincoln 5t � � � a <br /> c <br /> NS Not sampled (UST case) � a <br /> Not used for contouring Scale(#t} 0 s CO <br /> Approximate hydraulic gradient=0 006 to 0 03 I FIGURE U U <br /> Note Groundwater samples collected on 23-Aug-02 for wells 4 0 25 50 100 �N E ^o <br /> MWA through MW-17 All other samples collected 27-Sep-02 2 •� s•• � <br /> >C p c <br /> M U_ <br /> 1 <br />