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Existing Fuel USTs <br /> 95 <br /> MW-3A — - - - - 5. <br /> - - - - —87 4$J * - - - — - J - MW-1A <br /> 8723 <br /> (<2 5) <br /> \ A <br /> Carwash °o - <br /> Canopy and i <br /> Dispenser Islands',, <br /> 1 <br /> t <br /> MW-2A <br /> -T <br /> 8738 <br /> , <br /> (ND) <br /> _Former UST <br /> Location <br /> N �Mp _INTERSTATE <br /> ROUTE NO-205 <br /> � EXPLANATIQN <br /> -�- Ground Water Monitoring Well <br /> N <br /> Ground water elevation contour in feet <br /> referenced to mean sea level (MSL) <br /> Arrows indicate approximate ground <br /> water flow direction <br /> 8748 Ground water elevation in feet above MSL <br /> Scale (1 1} Benzene concentration in ppb <br /> ND=Not detected at 0 5 ppb detection limit <br /> 0 15 30 60 Feet <X =Not detected at detection limit X <br /> 1 Inch=30 Feet <br /> Notes Monitoring perfonned on 27-Aug-97 <br /> Base map from Fugro map of 4-5-95 Approximate hydraulic gradient=0 003 <br /> PLATE GROUND WATER CONTOUR/BENZENE CONCENTRATION MAP <br /> Shell Service Station en viros <br />• <br /> 2 3725 Tracy Boulevard 97381 <br /> Tracy, California <br /> Drawn By JWN Date 13-Oct-97 Approved By 4A Date flc� <br />