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10 Jan 05 <br /> Sidewalk No <br /> EXPLAIN ITION � o <br /> Shallow zone groundwater monitoring well O <br /> ---------------- Deeper zone groundwater monitoring well f$ 0 <br /> ---------------------.------ � - � <br /> ® i Product dispenser number Z <br /> V <br /> Groundwater elevation contour in feet - C <br /> referenced to mean sea level(ft msl) G 0 <br /> Arrows Indicate approximate groundwater 0 C� <br /> — � flow direction <br /> -------------- � <br /> ----EAS']� Fll�Eli�OlVT ST][�EE'lC ------ SS4 -1—Well designation ( FE <br /> -33 24 Groundwater elevation,ft msl p ,� <br /> <0 50<0 50/7 8-Benzene/MTBE/1,2-DCA concentrations V <br /> in groundwater in parts per billion(ppb) O <br /> -- ------^---- -------,-s-1 ----- ------------ - <br /> .3554 ----- <br /> <x Not detected at reporting limit x <br /> 3,000/<100/400 Insufficient water for sampling <br /> Planter <br /> Cl I <br /> S-1-8 ®, ® ; (<0501<050178,07-Jul-04) Benzene1MTBE/1,2-DCA in ppb <br /> g1 Canopy I concentrations,date last sampled <br /> 3 (tYP) Approximate hydraulic gradient= 0 0003 to 0 0010 <br /> Former USTs\ i USTs j <br /> Dispenser Island S m <br /> *S-4 S-4-43 �typ) Q <br /> -34 27\ J S=6 <br /> \ <br /> \Z ®' ,07-Jul-04 -35 43 V <br /> (<0 50/<0 50/7 8 <br /> Waste OII Tan ) <0 50116/3 5 <br /> S-3 Q`. i ❑ i <br /> -3550 i W <br /> <0 501<0 50155 <br /> Station Building and <br /> Lube Bays <br /> W <br /> ST5 5-2-85 , <br /> O <br /> -35 51 <br /> to <br /> <0 50/<0 50177` SS-22 <br /> 3554 <br /> �tII�lOOIl1 STET <0 501<0 5013 2 (j <br /> N I 5 <br /> � aI <br /> I Cl) aI <br /> -0 Cf) <br /> Io(1 m <br /> -0 E <br /> I r aEi o <br /> Scale (ft) FIGURE y U <br /> 1 Co C <br /> o 15 30 so � � LUItoY <br /> s � o <br /> Nin <br /> 4 <br />