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22-Mar-04 <br /> • <br /> Ortho �� o <br /> LMattress Jack In The Box California Bagel Co EXPLANATION E ti <br /> Groundwater monitoring well (D <br /> Cd <br /> Deep groundwater morutonng well V M <br /> L L � <br /> Vapor extraction well C ti <br /> PORTER AVENUE <br /> ® Product dispenser number C = <br /> O <br /> MW-2 (.) O <br /> -2307 MW-1 Groundwater elevation contour to feet i V <br /> (<0.50) -23.21 referenced to mean sea level(ft msl) O <br /> (<0 50) (<0.50) pP <br /> Arrows indicate approximate � <br /> - Former Dispenser (<0 50) groundwater flow direction <br /> UST Islands Existing -23.00 Groundwater elevation in ft msl C <br /> Location USTs b m m = 0 <br /> © ® w ° <br /> (�$) pconcentration in parts <br /> per billion(ppb) <br /> 8 ® ~ <br /> Oil <br /> MW-5 <br /> VEW-2* (<25) MTBE concentration in ppb <br /> -23 10 �W-1:]DParking Lot <br /> <x Not detected at reporting limit x <br /> -22.74 W Z«ram <br /> (0.67) (2300) Canopy 1 MW-12 m <br /> {<p 50) (<50) MW-13* -23.50 �=� < *MW-13 and VEW-2 not used in contouring because <br /> 0 O -23.23 - w <br /> W <br /> (<0.50) _ = they are screened differently than other wells <br /> © ® (<0.50) (19) - Approximate hydraulic gradient=0 003 <br /> (080) <br /> �` W.3 <br /> -22.91 MW-412 <br /> mm <br /> (<0.50) -0.74 i—] Q <br /> _+ (<0 50) ( ) - - m <br /> Parking Lot (33) - <br /> MW-6( l <br /> MW-8 _ y <br /> <0.01 +-23.50, _ x <br /> (<0.50) � Q <br /> L<0 50)� �, (2.1)[� _ < <br /> -- c (0 95) m m <br /> Petco - <br /> Verizon _ - - - - Parking Lot <br /> w _ - <br /> Wireless - <br /> - ERZ <br /> -23 05 <br /> - (1,100) <br /> - _m (c5 0) <br /> - O <br /> MW-ll - MW-9 +� <br /> -2277 r23 42 ♦O.. <br /> (<5 0) - _ '(<0 50) - _ W <br /> w (<0 50) <br /> 1,-Mar6go Scale (4t) V <br /> MW-10 Parking Lot --Center = .� <br /> -23.00 Stnp 111) 0 0 60 120 <br /> Strap Mall (<25) <br /> Payless (<25} �° - W c <br /> Mint Storage C w (D o <br /> !c cu <br /> p�. FIGUREEL <br /> m c" O <br /> Alleyway w - 3 c i o <br /> w = W Z <br />