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J x x x x x x x x EXPLANATION <br /> J MW-I Former ♦ Groundwater monitoring well <br /> >c 8.58 /w/o Tank I <br /> + - I 99.99 Groundwater elevation in feet <br /> ,c referenced to Mean Sea Level <br /> I 99gg/ Groundwater elevation contour, <br /> I Sump Hoist <br /> El H Station o / dashed where inferred. <br /> Buildings I <br /> w i I <br /> I Former 5� 8.44IIIAyy,2 <br /> Dispen,5e� <br /> Isly�ds I <br /> .40 Approximate groundwater <br /> Dispenser o ..,,,,.., I flow direction at a <br /> Islands , gradient of 0.002 to 0.003 Ft./Ft. <br /> i <br /> I <br /> MW-4 = /a O I <br /> 8.47 <br /> 000� <br /> Former USTS <br /> 8 <br /> I <br /> J I Underground <br /> StorcB,`AQnks <br /> Planter 8.17r MW-3 ., <br /> — — I <br /> Approximate Property Boundary —Z <br /> I <br /> 0 40 <br /> TRACY BOULEVARD <br /> Source: Figure modified from drawing provided by RRM engineering contracting firm Scale in Feet <br /> POTENTIOMETRIC MAP FIGURE <br /> E r r l ER - RYAN INC. Chevron Service Station #9-8264 <br /> 6747 Sierra Ct., Suite J 3775 Tracy Boulevard 1 <br /> Dublin, CA 94568 (925) 551-7555 <br /> Tracy, California <br /> PRWECT NUMBER REVIEWED W DATE REVISED OATE <br /> 386654 Aril 18 2002 <br /> FILE NAME: P:\Enviro\Chevron\9-8264\QO2-9-8264.dwg I Loyoat Tab: Poll <br />