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17-Feb-04 <br /> 77tL CL Co <br /> O <br /> cc 5 <br /> EXPLANATION O M <br /> Shell groundwater monitoring well p G N <br /> m <br /> MVV-10 MW-9 Tosco groundwater monitoring well Lcc E <br /> -11.46 0 De$troyed Tosco groundwater monitoring well d -F � <br /> -1123 +-� C o <br /> (<0 50) (<0 50) Groundwater elevation contour in feet z <br /> (<Z 0) <br /> (<2 0) referenced to mean sea level(ft msl) Arrows _ <br /> mc�lcate approximate groundwater flaw O <br /> S-5 dir ction G V <br /> ELMWOOD AVENUE ` T� -1166 -1140 Groundwater elevation in ft msl "` <br /> \ (<20,03-Jan-03) -11.70---- 1 <br /> Vj ` ♦ (<0 50,03-Jan-03) (<0.50) Be+`zene concentration in parts per billion(ppb) Ci <br /> 2 <br /> (NA) M'>f'BE concentration in ppb � <br /> (<0 50,03-Jap-03) Benzene concentration in ppb,date = <br /> -13 last sampled V <br /> -1139 I \ <x No detected at reporting limit x <br /> Waste Oil (<0 50) I {� APN NA No analyzed <br /> UST (7 5) Z 113-042-1 <br /> Auto MVV_11* 113042.2 *Not used in contouring <br /> Auto Service -14.33 <br /> Service � � Approximate hydraulic gradient=0 002 <br /> � rl (<10) I w r� <br /> Former due to anamalous data <br /> l (140) a, APN Note MW-4,not used in contouring <br /> MW-5 II3-042-3 <br /> UST Pit�lf 111.08 <br /> Ll -�-(<0.50) I g-3 APN <br /> (6 9) -1155 <br /> `C II3-042-4 <br /> MW-4* C.� G� Mme'-7 I (41) I Q <br /> I -12.16 Dispenser -11.28 <br /> (<0 50) Islands (<200) <br /> I (71) MW-3 (<800) I <br /> 1 -11.28 1 <br /> I Tosco Station F———�1 (<100) 1 I �J Former Waste 5-1 <br /> — - - (<400) ( I Oil UST *-11.58 I Q <br /> Kiosk L———— 1 11 I_ —I (120) U <br /> Former S-2T I I Former USTs (NA) <br /> I �---� -11.41 I <br /> ❑ � UST PitI I � <br /> USTs (<5^ t <br /> MW-12 \ J Former (NA) <br /> ❑ 3 -1115 \ IDispenser <br /> (<0.50) F-__] Island Former Sank of APN APN <br /> I U Mw-2 (<2 0) (Typ of 3) the West Branch j <br /> a113-042-14—^ 113-042-14 113-042-13 <br /> 1 Former UST <br /> MW-6 Islands <br /> Dispenser I —I Former Shell Service Station <br /> W— <br /> -1101 911;8 <br /> 1 <br /> — — — — (<0 50)— — — — — — — — — I S-4 <br /> (7 3) —(<0 50)— -11 40 Sidewalk O <br /> Lr- <br /> (<2 0} (<0 50) P <br /> 1 (NA) Cn <br /> COUNTRY CLUB BOULEVARD v 2 <br /> w <br /> (D <br /> N <br /> MW-8 <br /> (D .2 E <br /> . -1104 Uo <br /> (<0 50) Cl) ZN-�Z <br /> Scale(ft) <br /> (<2 0) I FIGURE =O C <br /> 0 20 40 80 U � <br /> 2 <br /> LI` U 0 (00 <br /> CS1 <br /> LL T 05 <br /> O <br />