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f i � <br /> A„oN <br /> Groundwater monitoring well <br /> 9999 Groundwater elevation in, feet <br /> �x x x x x x x x x x� referenced to Mean Sea Level <br /> (MSL) <br /> 99 99 IleGroundwaterelevation contour, <br /> { I .000' <br /> dashed where inferred <br /> j 18.78 <br /> MW <br /> x <br /> a t 9 80 <br /> x Former x <br /> W/o 2007 <br /> 0x MW-2 x <br /> Forner Station Approximate groundwater <br /> v Building } I flow direction at a <br /> x / x gradient of 0 004 Ft/Ft <br /> x 2O.j0 zo.s4 USTS x <br /> x Sump location not provided <br /> Man& x <br /> M 4 20.23 <br /> x x x x. -----x x x x x <br /> GRANT LINE ROAD r N— <br /> 1 <br /> 0 40 <br /> Scale in Feet <br /> Source Figure modified from drrnnng provided ty MM engr <br /> POTENTIOMETRIC MAP FlGURE <br /> Gettler - Ryan Inc. Former Chevron Service Station #9-8£32 <br /> 6747 Sierra CL. Sub J 575 Grant Line Road <br /> OabK G 94M (04 551-7= Tracy, California <br /> PROJECT NIJM REVIEWED BY OATE REVISED DATE <br /> 386855 October 31-.-- 2000 <br /> FIE NME PEm rc Chevron 9-8632 QUO-9--8632 dwg I Layout Tcb PoN <br />