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29 Aug-02 <br /> r L Q. O <br /> EXPLANATION O� 2 N <br /> Shell groundwater monitonng well <br /> C C N <br /> Adjacent site groundwater monitonng well MNA V *+O <br /> NA <br /> ,7 Destroyed groundwater monitonng well (<O 5) y <br /> / Groundwater elevation contour in feet referenced f 1 MW-20A r�-' [ -15 93 a <br /> to mean sea level(ft rnsl) Avows indicate +r f -1717 jl— (<O 5) �_ C <br /> / approximate groundwater flow direction (<O 5) - <br /> -1253 Groundwater elevation in ft msl f (<2 O) ! Former Chevron j V <br /> 14-]tl � <br /> ( [ Service Station -11B <br /> (<0 50) Benzene concentration in parts per billion(ppb) — — — — — — MW-1 [ miA V <br /> (<O 50) MTBE concentration in ppb (<O 5) .E <br /> 1 (<2 0) a>` <br /> <x Not detected at detection limit x MW-19C .0 <br /> NA Not applicable- well screened in a deeper U-3 <br /> Savemart � NAwafer-bearing zone MW-�7B .4 1 (<3 0)W-11 NA[ �"i MW-3 (<3 0) MW <br /> NS Not sampled (<0.5) ' -17.92 'rte f f � -1686Note Chevron wells gauged on July 29,2002 and sam Ied on (<2 0) 0 (<O 5) �` ��E-?� Nrn (<2 0) / -0-p _ ` \July 29 and 30,2002 V�,_q <br /> MI6831 MW-5 t I r *B II (<O 51 MW-6 NA317.22 <0.5)Extraction wells aze not used in contouring [ 0 -17.45 (<0.5) (<2 0)Approximate hydraulic gradient=0 005 to 0 010 .21 [ B II ( ) (<O 5) ( 0) (<5 0) a <br /> <2 0 I\(15,000)N 42 <br /> j <br /> iViF1-2 —MW-13 � <br /> MW- EX-3 ! -17.73 -1647 D Q <br /> -17333 -2535 (<O 5) — <br /> (<O 5) (<O 5) <br /> (<2 0) (<0 S> (�0) <2 0) cn <br /> m <br /> (38) <br /> WEST KETTLEMAN LANE —L l ::E <br /> / Q <br /> MW-8s MW-14(EX-2)• U <br /> �., NA -1617 Myer-9A / <br /> W MW-6 (<0.5) (<0-5) -1645 <br /> W-8 -16.82 (<2 0) (26) (<0.5) y MW-12A C <br /> -7 H (<O.SQ) (<2 0) 11-11 -16.01 <br /> CIO — — -- �<0-50) — -8B=-1-66 82-1 — — 1 — cc <br /> <tl 5 <br /> MW-5 11l1-20 NA —(<0.5) — — -(<2 01— <br /> -17.16 {%) <br /> -17.16 -� (<O 5) (<2 0) j [�NA <br /> U ) (<0.50) (<2 0) I (<0.5) 0 <br /> ,x <br /> -170 I [/ (<0.5) I d <br /> (<2 0) [ <br /> -N- <br /> MW-8 [ �3 <br /> ��-1' [ -16.83 gcaxjoa Golden Ox [ [ !4[VI�-04 [ <br /> [ +(<0.50) BWlding Restaurant [ I <2 0) [ 4- <br /> [{<Q 50) [ 0) <br /> MW-17B [ <br /> Scale(ft) [ [ [ NA MW-IOB C <br /> 'Vi-6 f ❑` — — — �� — I (<O 5) NA <br /> MW-lOC [ <br /> 0 30 60 120 ®[ [ (<2 0) NA (<2 0) L j� <br /> [1A-4 (<0 5) = <br /> [ (<2 0) [ cc m <br /> J Municipal Water Well Shell-branded I [ FIGURE Y o <br /> (Independent) +:• m <br /> Service Station [ [ d O <br /> co v 0 <br />