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■r mom rr t■r r rM = 4r rr M ■r M r = I' ri <br /> W -2W2 92 <br /> >_ M -1d <br /> Approximate Property 6)undory a <br /> z3 27 <br /> Former Q +Mw 4 ` <br /> Waste od O - <br /> Mw-18 Tank 122250 <br /> Former —22 19 . L ( Y1M-ie m —23 99 Underground <br /> 300J -2246 <br /> StorUndeage <br /> Tanks <br /> / O/ MW-1 Storage Tanks �` MW.7 - <br /> Storoge Tonks E � Montgomery Word <br /> Office Former Auto Service Center <br /> Building Station <br /> —21.94 Building 1-2292 <br /> XW-% 1` j MW-12 Concrete Former X 00 —24 00 <br /> _ X1114-los 22 56 _23 73 —23 98 /_ Dispenser \ Bonk <br /> Shopping TMW-19D 373 1-2 Islands � Yw-a <br /> YIAI-i4A / Center Yw-11 22.97 / -2448 <br /> -2146 , .... ,1 Marquis J I 2302 �� ,¢Mw-4 <br /> HW-40 MAV-;116A <br /> zoz EXPLANATION <br /> —22.23 _ Fin,'s'i <br /> r /�' �`2S <br /> Dier 0 <br /> o s � PACIFIC AVENUE ��♦ + Groundwater monitoring well <br /> o J (Unocal) <br /> —2245 —24.78 1—25 60 3$E Destroyed monitoring well <br /> _.._._.MW:15 yew-21D—/MW 22G <br /> .�.�. Groundwater monitoring well <br /> MW-Q -- _t —^^ 'Mw-17} Mw-218 Mw-228 (Moniogomery Ward) <br /> —2436 —2480 —2584 o Delta College irrigation well <br /> v <br /> 9999 Groundwater elevation in feet <br /> _ <br /> Building <br /> referenced to Mean Sea Level� � (MSL) <br /> i ( <br /> 0 $� ggg� Groundwater elevation contour, <br /> �g dashed where inferred <br /> Scale in Feet Approximate groundwater <br /> somr r" rAW rmm Drvaing PmMW flow direction at a <br /> �,yppg sank'. kvgradient of 001 Fl/Ft <br /> POTENTIOMETRIC MAP ricuRE <br /> Gett/ar - Ryan Inc. Former Unocal Service Station No. 5098 <br /> 6747 Sierra Ct., Suite J (925) 551-7555 5606 Pacific Avenue <br /> DMin. CA 9450 Stockton, California <br /> 408 NUMBER REVtMO BY DATE REVISED DATE <br /> 280046 June 17, 1999 <br />