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27-Oct-03 <br /> CL c <br /> t Ortho + v o <br /> L_Mattressj <br /> Jack In The Box California Bagel Co EXPLANATION <br /> � � N <br /> ! Groundwater monitoring well Z G 5 <br /> { Vapor extraction well V 40j 4 <br /> ® Proposed groundwater monitoring well O <br /> PORTER AVENUE v <br /> ® i Product dispenser number O O <br /> MW-2 L) <br /> -2362 MW-1 Groundwater elevation contour in feet L. V <br /> (<0.50) -23.68 y referenced to mean sea level(ft msl) <br /> (<0 50) (1.1} Arrows indicate approximate 3 <br /> (4 2) groundwater flow direction .O <br /> Former Dispenser C <br /> UST Island` Existing -1971 Groundwater elevation in ft ms] <br /> Location USTs—® (6,4) Benzene concentration in parts �� <br /> f per billion(ppb) <br /> VEW-2 0 ® (7 6) MTBE concentration in ppb <br /> MW-� -24.11 vEw-i d Paining Lot Strip Mall Frame �x Custom Not detected at reporting limit x <br /> <0.50 (2,400 U Shop Note'VEW-2 not used in contouring <br /> (<0,50) (<50) +- -- Canopy <br /> ® ® MW-13 F Approkimate hydraulic gradient- 0 003 <br /> o ^ -31-23.59 MW-4 H <br /> (<0.50) -23.83 Q <br /> 5 (<0 50) (<0.50) <br /> u Paining Lot <br /> MW-6 I/ I <br /> -23.71 W <br /> (1.0) MW-8 Q <br /> 50) -2415 U <br /> � (0 82) Petco I <br /> Paining Lot , <br /> Verizon <br /> Wireless <br /> I <br /> MW-7 <br /> -23.76 4 <br /> (760) <br /> (<10) h' C <br /> O <br /> MW-11 w MW-10 t -24.26 <br /> 9 <br /> -23.50 N -23.80 1 (1.2) <br /> (<0.50) u, <br /> (<0 50) r (2.7) (<0 50) v <br /> w (<2 5) V J Marengo Scale (#t) •� <br /> w Parking Lot Center 1.9 <br /> o (Strip Mall) 0 34 1 60 120 <br /> 1I}) <br /> Strip Mall <br /> W <br /> less ,� � � E <br /> Storage <br /> � FIGURE � V <br /> to <br /> U <br /> Alleyway I t r o <br /> i <br />