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07 Jan11arY2004 <br /> AGE <br /> Page 'NC Proj ect'No 00-07b9bof7 u <br /> ? <br /> ! <br /> It_n 4.0. SUMMARY <br /> 1 e <br /> AND CDNC�,US�pNS <br /> The foIlowing conclusions were drawn fro 'r <br /> Depth to m the <br /> results of this qua <br /> rterl <br /> ground water on at t Y monitonn ; <br /> water elevations at the he site v I event <br /> Febru aped between 23 40 ` <br /> ary2003 site ranged between and 29 37 feet bs <br /> ft/It to the monitoring event r 13 37 and 1 g g,relative <br /> southwest and 0 Il�=1 generalI 5$ feet below MSL mound <br /> wltll a 11mb flnwIn ort Rift to the east-sautl st during the <br /> d southeast with a II <br /> j generally flowed g north`northeast at 0 00 I'm I]owin <br /> 0 002 ff/ft west 07 ft/ft and soot _ 2 generally flowed the 002 <br /> northwest With a limb h southeast at 0 to the east <br /> SIU-4 generalI <br /> The Y flowed north-north-northeast at 011 wing east ofno`rth at 0 004�t1f} ftlfl 11U 3 <br /> mosth,ghlylm ` <br /> Figures 7 throe patted gI ourid w 00$ ft/ft(Figures 3 through t/ftwest at r! <br /> ��rtically,through I 1 illustrate t Ater appears to be located near the forrne ) ; <br /> hYdrocarbon..Im he lateral extent of ' <br /> r Intervals of patted hydro <br /> r UST Iocatlons, x „ <br /> multi-level ytwIIs ground water arboh_Impacted <br /> and cross-Q'radjent A41 r 4 through IvlW was detected ground water <br /> potrofeum h nzultr-leve[ we11 MV4�_ ,only In each of the screened <br /> Ydrocarbon 8 had low Y up-gradjentmultl-level w <br /> • compounds to non-detectable eIIMW_g ` <br /> Concentrations Of <br /> benzene concentrations of <br /> Monitoring well Mthr_ and 1,2-DCA detected In ground above t11e pHs s 4, screened I <br /> rIaxl n each of the five <br /> water samples collected horn <br /> M `S� also screened I mum each <br /> e Identlfed <br /> above the n each of the fiveh Levels(MCLs hXdrogeologzc units <br /> DHS s MCLS SIn each'' ydrogeolo }of 0 S AWL each , were <br /> In $ample, althoia gIc units,had concentrat ons ofbenzeell <br /> general,petroleum h gh 1,2_ <br /> high In HU_I Ydrvcalbon col�Centratto DCA was not detected be ne <br /> Iocatlor�of ,,decllne III n[r_2 and nsli2 Ydnd UU-� ` <br /> weI1I17y�r_4 HU-3 multi-level wells <br /> M above the the BTEXco ' then Increase a M -4 and A4W- <br /> DHS's neentratjons I gain In HU-4 and are <br /> • MCL for drinkln n the dee HU--S <br /> ,Ethanol was not ,, g water pesthydrolo At the <br /> detected In an g1cunit{f� 5)were <br /> # The lateral and v L` y groungl waters <br /> erticalextentafh aIIlples durin <br /> generally east of the current Ydrocarbon-Impacted g this monitoring event <br /> monitornn ground nater <br /> g Well network haslot been' <br /> delineated <br /> r i� <br /> , <br /> � e <br /> _ <br /> Inc <br /> , <br /> j <br />