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16-Jul-02 <br /> CL <br /> EXPLANATION I cli <br /> o <br /> Shell groundwater monitoring well 5 C a <br /> Adjacent site groundwater monitoring well NA-20B <br /> W W Q <br /> Y Destroyed groundwater monitoring well I (<0 5) s- E <br /> 4D� (<0 5) j MW-11A C <br /> R , Groundwater elevation contour in feet referenced j <br /> y to mean sea level(ft msl) Arrows indicate j M '13 1A 1 [1 -13 26 <br /> / approximate groundwater flow direction ¢ j f ( '0.5) f }1 (<0.5) 0 <br /> j r�1 � (<0 5) C O <br /> -12.53 Groundwater elevation in ft ms] vV-1 t1 j 1 (`'0 5) Former Chevron 3 V <br /> j Service Station -11B D <br /> (d!50) Benzene concentration in parts per billion(ppb) - - - - - Mw-1 j j + INA V <br /> (<0. <br /> (<0 50) MTBE concentration in ppb <br /> j (0 8) <br /> � <br /> <x Not detected at detection limit x <br /> MW-191 = <br /> W-9 Beacon W NAi[ O V <br /> NA Not applicable-well screened in a deeper Savemart ,� [ <br /> water-bearing zone F�-1 MW-78 (<O(<0.5-) Z <br /> NS Not sampled 1i-t] (<0,5) +x 5) <br /> NAI [MW-3 MW-4 <br /> -14 79 E -1* �-13.91 Q` <br /> Note Chevron wells au ed on A nl 29,2001 and sampled on (<O 5) 0 1(<O 50) 14.07-2 (<0.5) <br /> g g P P Arco Station 1 1 1 (5} r\(<3) (0 6) MW-z Q, <br /> April 29 and 30,2002 Because the Shell and Chevron sates MW-7 I (15,000)vl:-4 -13.52 <br /> were gauged on different days,a contour map was not prepared -1348! NM � MW-5B <0.50) <br /> * Extraction wells are not used in contouring f Q {0 6 -14.57 l NA W <br /> g u-3 W-2 a 1,%-2B II ( ) (<0 5) (<0.5) (<0 50) r•? 1 <br /> (0 5) (<0 5} , <br /> W-2 ;BIW-3 NtW-2 EX-3*_ - <br /> MW-5A -1581 MW-13 <br /> -14.37 (<0 5)=-15.10 -13.73 0 Q <br /> (<0 5) (150) (<0.50) (<0.5) <br /> (<0.5) MW-14(EX-2)- (<0 S) (<0.5) m <br /> -13.90 � <br /> WEST KETTLEMAN LANE (<0.5) <br /> (0.5) Q <br /> Mw-8S U <br /> NA MW-9A <br /> W MW-6 (<O 5) -1381 <br /> -1364 (<0.5) (<0.5) I MW-12A C <br /> OW-7 N (<0.50 MW-BA (10) 1 -13.64 <br /> l1 1 <br /> NCC <br /> (<0 50) -8B�_ 13 <br /> NA <br /> lV-2 2V) <br /> Ati-t -13.63 (<0.5) (<0 �NAV(<0.50) (<0 5) (<0.5) <br /> v4.50 (<0 50) MW-9B (<0 5) <br /> NA <br /> (<0.5) <br /> (<0 5) <br /> Mei,4Golden Oxt -tzI *MW.8 Restaurant <br /> -13.69 Q.8 _ <br /> 5) ' <br /> ' <br /> ! 1ViW(<0.50) MW-17B 3 <br /> (<0 50) j NA MW-10B I C <br /> Scale(ft) ,7 W-6 J- ! o- T _ - NS � NA .-. <br /> o �o so Tzo ' - - - - _ - I I MNAoc :(<0 <br /> .5) L a <br /> 5)I 1 � mlW-a (<0 5) 0A ! 14 m c <br /> - O <br /> f Municipal Water Well Shell-branded (<0.5) FIGURE N <br /> (Independent) (<0 5) IV Ca <br /> U <br /> Service Station 01 <br /> ,3 C o a <br /> V3 v .0 <br />