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PORTER AVENUE <br /> � ao�O ap b <br /> MW-2 +� n ao n°° °o MW-1 <br /> 5788 57$2 <br /> ExistingUST <br /> Former UST (ND) - {ND) Location <br /> Location , (3-10,000 gal ) <br /> z <br /> < <br /> (DRY) ( ) / U <br /> W <br /> buildiig / Q <br /> Canopy and ' <br /> Dispenser Islands <br /> o cbb' i <br /> I h <br /> � r# <br /> MW-3 <br /> 5785 <br /> (420) <br /> EXPLANATION <br /> Groundwater Monitoring Well <br /> Vapor Extraction Well <br /> N (420) Benzene concentration given in <br /> ppb ND=None Detected <br /> NA Not available <br /> / Ground water elevation contour, <br /> in feet referenced to Mean Sea <br /> Level (MSL) Arrows indicate <br /> innroximnte flnw direotinn <br /> 0 30 5684 Ground water elevation in feet MSL <br /> Note Water levels measured on 11-26-96 <br /> Scale in Feet Approximate hydraulic adient=0 0009 <br /> Base map from Fugra map of I-10-94 pP Y �' <br /> PLATE GROUND WATER CONTOUR/BENZENE CONCENTRATION MAP <br /> Shell Service Station envirvs <br />• 2 6131 Pacific Avenue 96374 <br /> Stockton, California <br /> Drawn By .FLP Date 1-17-97 Approved By Date a <br />