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Ii <br /> ,�• { 30-Jul 03 <br /> Ortho u (a o <br /> Mattress Jack In The Box ' EXPLANATION `v <br /> California Bagel Co <br /> Groundwater monitoring well =O <br /> Vapor extraction well V � <br /> L � <br /> Groundwater elevation contour in feet C <br /> PORTER AVENUE y i referenced to mean sea level (ft ms]) C v <br /> Arrows indicate approximate 0 C <br /> MW-2 groundwater flow direction V O <br /> -21.07 MW-1 L V <br /> (<0.50) -21 15 -19.71 Groundwater elevation in ft msl 4) <br /> (c5 0) (0.72) <br /> Former (<5 0) (6 4) Benzene concentration m ppb <br /> Dispenser 1 —71 <br /> (7 6) MTBE concentration 2n ppb C <br /> UST Islands Existing - <br /> Location USTs A e_ <x Not detected at reporting limit x 00 <br /> W <br /> _ Note VEW-2 not used in contouring <br /> VEW-1 <br /> -21 <br /> MW-g WO Parking Lot - t� Approximate hydraulic gradient=0 002 <br /> -2078 (1,600L 0-4 U _ µ <br /> (1 8) <250) Canopyp <br /> (<_5 0) <br /> U <br /> rr wm <br /> MW.3 = <br /> ffi <br /> - -20 92 MW4 mm <br /> 4--gag (5 1) -21.16 <br /> (<5 0) (18) <br /> Parking Lot _ m <br /> MW-6 <br /> -21.01 <br /> (1.2) <br /> <5 0), -21.41 C� <br /> - - <5 0) -Petco - <br /> M _ - - = 1 <br /> Parking Lot <br /> VeQ46-r` <br /> Wtreless - - <br /> MW-7 <br /> = - -2109 <br /> (1,400) <br /> (<50) C <br /> - O <br /> MW-11 MW-9 W <br /> -2072 -+--21.38 <br /> cc <br /> (<0 50) (0.59) - _W mm' ) <br /> (<5 0) �; I I (<5 0) <br /> MW-10 - <br /> o� <br /> \a J Maretigo ' Scale(ft) •v Parking Lot Center <br /> *-21.01 <br /> (<5 0) (StnpMall) 0 30 60 120 � <br /> Strip Mall (<50) _ _ -- <br /> Payless - <br /> � m <br /> gni Storage o <br /> U Cu <br /> G�. r FIGURE <br /> I to O <br /> LO Alleyway C") 0 <br /> - <br /> m dr <br /> Ca co rn <br />