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22 Jan-01 <br /> C IZ p <br /> M O <br /> O N <br /> EXPLANATION C = N <br /> OO p <br /> Groundwater monitoring well 0 .- <br /> ani <br /> �- Groundwater elevation contour 1n feet 4.1 C Z <br /> referenced to mean sea level (ft msl) R d <br /> Arrows indicate approximate groundwater v <br /> flow direction Z3 C <br /> !` O <br /> D AVENUE .567 Groundwater elevation In ft msl C V <br /> M`N po <br /> EL (110) Benzene concentration in parts per i ea <br /> billion (ppb) V <br /> S_ (243) MTBE concentration in ppb by EPA Method •� <br /> S-5 -8 73 8020 <br /> + -874 <br /> (<0 500/<2 50, 01-Feb-00) <br /> (<0 500/<2 50, 01-Feb-00) (<0 500/ 2 50,01-Feb-00) Benzene/MTBE concentration <br /> date last sampled <br /> <x Not detected at elevated detection limit x <br /> r _ <br /> .8 <br /> 70 J I \ APN Approximate hydraulic gradient=0 001 to 0 002 <br /> 113-042-4 <br /> APNAPN <br /> 113-042-1 APN 113-042-3 <br /> 113-042-2 <br /> z -8 65J <br /> Q <br /> -�601� \ <br /> � � m <br /> � \ <br /> � s-3 <br /> -863 <br /> /76 Station SS� (<2 0 �)_1b--Form Waste Oil UST U <br /> Service <br /> APN i <br /> 123-232-45i -8 67 <br /> S-2 ` i ' (37 3) <br /> -8 54 Former USTs (¢25 0) <br /> (158) <br /> 1 Former Bank of APN APN <br /> the West Branch 113-042-14 113-042-13 <br /> Former UST ----- <br /> +-8 54 _ <br /> (<2 50) Sidewalk i <br /> �C <br /> V � <br /> COUNTRY CLUB BOULEVARD � m <br /> p <br /> (� m <br /> N� Q V o <br /> Scale(ft) C <br /> c U <br /> FIGURE <br /> � O � <br /> a 20 ao so � � � o <br /> Cl> 0 CCD U <br /> 7 O <br /> CD LL � U) <br />