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13-0ct-04 <br /> 25 Ortho �—� M O <br /> Mattress Jack In The BOX c-4 <br /> California Sigel Co EXPLANATION 'E <br /> Groundwater momtonng well p �- <br /> Deep groundwater monitoring well ? a E <br /> Vapor extraction well C �, <br /> ape d N <br /> PORTER AVENUE i Soil boring location O C <br /> M4y-2 ® Product dispenser number () 0 <br /> -26.20 MW-1 rd so <br /> (<0.50) -26.34 Groundwater elevation contour in feet <br /> (<0.50) (<0.50) y referenced to mean sea level(ft msl) 3 <br /> (<0 50) Arrows indicate approximate <br /> C <br /> groundwater flow direction. � <br /> Geo-2 <br /> -25.44 ' Geo-3 B-2 B-5 SB-3 B-13 -23.97 Groundwater elevation in ft msl <br /> �., B..g B-9 B-1 � <br /> (4'800) F� 0 �B-10 {<0.50 Benzene concentration in parts <br /> (<100) 3B-5 V I W-t !PS 0B-11 I per billion(ppb) <br /> MW -�-5 B-7 B-3 B-4 4 B-14 B-11 Padang Lot Strip Mall Custom (18) MTBE concentration in ppb <br /> -25.79 L� I + MW-12 Frame NM Not measured <br /> ®SB-1 -26.74 Shop <br /> (<0.50) ®B-6 SB-2 Not detected at mi <br /> MW-13" <z reporting lit x <br /> (<0 50} ® �-26.49 (<0.50) <br /> � <br /> o---© Geo-10 (<0.50) (3 7) <br /> MW-3 (<0 S0) r *MW-13 and VEW-2 not used m contouring because <br /> a � --26.08 they are,screened d�erently than other wells <br /> < MW-4 <br /> � <br /> _S MW-6 -26.36 Approximate hydraulic gradient=0 003 Q <br /> -26.24 ((22)x.50) <br /> (<5.0) <br /> 16w) <br /> w (<5 O) m <br /> Parking Lot MW-g y <br /> -26.77 <br /> (8.5) <br /> (2.5) U <br /> Petco I <br /> i <br /> Venzon Parking Lot ' <br /> Wireless <br /> i <br /> i <br /> MW-7 } <br /> -26.21 <br /> (40) <br /> (<20) <br /> C <br /> O <br /> MW-11 <br /> -25.98 <br /> -26.77 <br /> ar„ (<2.5) <br /> V <br /> N �2 <br /> (<2 S) MW-10 a S <br /> ( J Marengo ' scale(T#) •- <br /> -26.29 Parking Lot Center <br /> (<10 (Stttsp Mall) 0 30 1 60 120 4) <br /> Stip avian (<10) <br /> yless E <br /> Storage °0 C <br /> FIGURE 0 V <br /> .� M O <br /> Q <br /> Alleyway C M o <br /> I cc <br /> m � <br /> 1 _ _ <br />