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05-Feb-02 <br /> ' Location of Municipal Wells Relative to Site N i CL r-. o <br /> N 3 M _ 0 <br /> Well S-2,550 ft O <br /> Well 2-1,650 ft O ~ <br /> (Des"yed) _ = N <br /> O O co <br /> —N— Vcc <br /> ++ d c <br /> Well 4 1,700 f[ <br /> Well 7-1,500 ft Q <br /> W E W E V C <br /> v C 7 <br /> Scale(ft) � <br /> Property Line 'v] Well k-1,400 fi 1 L <br /> 31.58 (Destroyed) S O /VR <br /> 0 20 40 80 16.L <br /> <0.50 U v <br /> S�"OpBti��l i A <br /> 1 .L <br /> Den Dulk Well MW-5B + S IU V} <br /> 31.54 Groundwater Flow Direction <br /> i lancer 0 I a I 2000 to 1Q02 <br /> i <br /> <0.50 �—31.56 <br /> i ! <br /> Car I LISTS <br /> Wash EW-1 LocationF)r� i <br /> 31.56 <br /> MW-6B <br /> MW-2'• Isasp" <0.50] i L56 <br /> 31.56 i 4.5 -------------- <br /> i <br /> � 31.5$ <br /> t <0.50 <br /> <0.50 j e EW-2 <br /> � [0.50 <br /> <0.50; Ks W-aB MW-4A 31.60 <br /> -- --�M- -Pl-t. 31.52 Z-----<0.50 Q <br /> Sidewalk MW-1 <0.50 <0.50 <br /> Cie <br /> . 31.6 <br /> NA 5 0.75 � pp <br /> EAST MAIN S5 nr-T EXPLANATION Q <br /> MW-1♦ Groundwater monitoring well U <br /> MW-5A,B+ Dual completion monitoring well <br /> MW_X Existing groundwater monitoring well <br /> on adjacent site <br /> i <br /> Groundwater production well <br /> Property Line i ,� Destroyed well <br /> I <br /> CHEVRON *MW-1 i EW-1!+ 4"Monitoring/Extraction Well <br /> i <br /> FACILITY <br /> Groundwater elevation contour in feet <br /> c referenced to mean sea level(ft msl). O <br /> -7' <br /> Dispenser Arrows indicated approximate ground- 0 <br /> Islands i 10� water flow direction. <br /> RESTAURANT Caltr Well MW yy',_Well designation <br /> Station MW-4 "- i*�Groundwater elevation,ft msl. <br /> Building ! `V `� �j <br /> Pro osed 30.24 <br /> r UST j �' W <0.50�Benzene concentrations in ground- <br /> ' Locations I E" water in parts per billion(ppb). co <br /> w <br /> MTBE concentrations in ground- <br /> /' water in ppb by EPA Method 8260. <br /> `� •_i, / �i Former }UST <w Not detected at detection limit x L <br /> ILocations <br /> Approximate Hydraulic Gradient 0.001 <br /> �fC�l FI E <br /> Xt- \W_3 <br /> � U <br /> O <br /> T Q. <br /> N Cn m ac <br /> co <br /> 0 <br /> I <br />