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0 <br /> —943 —961 EXPLANATION <br /> +MW-10 ELMWOOD AVENUE W-9 --9.68 `r�9 yp —.974+� * Groundwater monitoring <br /> s� J well (Former BP) <br /> \ Deep groundwater <br /> uu monitoring well with <br /> Waste Oil ` ♦`UST <br /> W �r\�Bp - conductor casing <br /> Auto (--f 3,45] J� $ Groundwater monitoring <br /> ServZe Service ♦ MW-1 1 I a ` well (Shell) <br /> O--, <br /> MW-5 ♦ R ♦ Vapor extraction well <br /> ♦ _ \ <br /> ] � --9.31 as <br /> /-*.\ a en p 9 39 W r`9�p x Destroyed well <br /> 53 <br /> Former —9.27 Islnds "-MW-71 an J� —9 <br /> UST PA • MWS• -9 Fomm 99.99 Groundwater elevation in <br /> �nlv.i ¢pJ waste o feet referenced to Mean <br /> Underground I . ./ <br /> Storage _S 3rd FornerN ♦ ; , Tank Sea Level <br /> Tanks Kosk\ UST Pit �� 3-2 ,' • \ —960 s-1 <br /> • _9,41 9 g9 Groundwater elevation <br /> Former 1` ig contour dashed where <br /> Dispenser inferred <br /> NW-2 I Islands Former Forn1T nk of <br /> r""� •p �` (yp of 3) LISTS the west ing [99.99] Not used in contouring <br /> �D,�s ens�r <br /> BMW-B MW-2 Islands err <br /> —916 � <br /> Former Shell Service Station <br /> MW-1 -9.29 <br /> T 7r77 —929 <br /> Apoximate COUNTRY CLUB BOULEVARD flow direction at Q er <br /> gradient of 0 001 to 0 002 Ft/Ft �N <br /> MW-8 -91s _ <br /> o 60 <br /> Scale in Feet <br /> Sou ce Figure Modified from dmwim providad by TOM 0 MORROW INC ALT 5u ma12 88 Cambna ma 8 V. RRM Enameenna and field measurements bv Gettler—Rvan <br /> Im <br /> POTENTIOMETRIC MAP FIGURE <br /> 91 GFrrLFR - HrA X IC. Tosco (Former BP) Service Station #11192 <br /> 6747 Sierra Ct, Suite J 1403 Country Club Boulevard <br /> Dublin, CA 94568 (925) 551-7555 Stockton, California <br /> PROJECT NUMBER REVIEWED BY DATE REVISED DATE <br /> 180288 Au O ust 8 2002 <br /> FILE NAME. P ENVIRO TOSCO 1 T192 002-11192 DWG I Layout Tab Pot3 <br />