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15 Jan-04 <br /> ` <br /> Ortho CL <br /> l W O <br /> Mattress Jack In The Box California Bagel Co + EXPLANATION `- 2 �- <br /> = N <br /> Groundwater monitoring well L ,D (D <br /> Vapor extraction well V <br /> a+ > <br /> ® Proposed groundwater monitoring well O y Z <br /> PORTER AVENUE v <br /> C <br /> MW-2 Product dispenser number O O <br /> -2424 MW-1 Groundwater elevation contour in feet V V <br /> (<0 50) -243 <br /> referenced to mean sea level{ft ms]) � <br /> (<0 50) (<0 50) Arrows indicate approximate <br /> (<0 50) groundwater now direction <br /> Former Dispenser + # <br /> W UST Islands Existing -24.78 Groundwater elevation in ft msl <br /> Location USTs <br /> O <br /> ©_0 _ (<2.5) Benzene concentration in parts i <br /> " per billion(ppb) <br /> 0 ® (� " W n (<2 5) MTBE concentration in ppb <br /> r(2, <br /> - <br /> S MW-5 EW-1 - <br /> M = :� <br /> Parking Lot m Cu5cojnµ <br /> -2393 Not detected at reporting Iimit x <br /> " MW-12 <br /> (<0 50) CrJ <br /> (<0 50} (�00) Canopy Shop Note VEW-2 not used in contouring <br /> - ® © " <br /> o MW-13 pproximate hydraulic gradient=0 003 <br /> = � r <br /> -2A 08 MW-4 = <br /> = (<0 50) -24 37 Uj Q <br /> (<0 50) (0.82) ►-� _ <br /> p� Parking Lot (35) <br /> MW-6 <br /> -2421 .+ y <br /> (<5 0) MW-8 <br /> Q <br /> (<.5 0), -2470 U <br /> (3 5) <br /> (<2 5) Petco <br /> Venzon Parking Lot <br /> Wireless <br /> - MW-7 I <br /> -2426 <br /> - (2,000) <br /> (<20) I N C <br /> a _ O <br /> MW-11 _ MW-9 <br /> -2399 t4 + -2478 ;- - <br /> (<2 5) o - -<2.5) U� <br /> (<2 5) p (<2 5) - - <br /> l <br /> J Mareagg Scale (ft) v <br /> MW-10 i i Parking Lot m Cente � 7 <br /> L <br /> -2425 w (Strip Mall) 0 4 30 60 120 <br /> Stnp Mall (<10 <br /> Payless (<10) W (Z <br /> Mini Storagem <br /> � Q o <br /> aU <br /> FIGURE <br /> � O <br /> LO Alleyway w m m o <br /> Go <br /> - cin in <br /> I <br />