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30.7 <br /> i <br /> ' � N <br /> rkM4W PRESENT UNDERGROUND <br /> STORAGE TANK LQ <br /> Q.64) W <br /> TUSED ANK OIL I I k I l I L] <br /> / o <br /> L J L J L <br /> / a ooe : <br /> 0 <br /> 00 <br /> Lo <br /> / FORMER UNDERGROUND-, ` 7 7 ` <br /> STORAGE TANKS 111 ILJ MW-2 <br /> Mw-- <br /> I II I <br /> (-30.93) 0 L J <br /> WASHINGTON ST. <br /> MW-5 <br /> LEGEND (-31.57) • <br /> • MONITORING WELL <br /> POTENTIOMETRIC SURFACE ELEVATION (FT.) I I <br /> ( ) (DATUM: MEAN SEA LEVEL) I I <br /> CONTOUR �5 FREEWAY (ELEVATED) <br /> POTENTIOMETRIC SURFACE <br /> INTERVAL = 0.20 FT. <br /> 0.:004, /` ESTIMATED GROUNDWATER FLOW <br /> DIRECTION AND APPROXIMATE GRADIENT <br /> GROUNDWATER 0 FEET 40 POTENTIOMETRIC SURFACE MAP <br /> ❑r�O TECHNOLOGY SCALE MAY 17, 1993 <br /> CLIENT: LOCATION: REV. NO.: I DATE: <br /> CHEVRON U.S.A. PRODUCTS CO. 139 SOUTH CENTER STREET 2 6/23/93 <br /> SERVICE STATION NO. 9-0557 STOCKTON, CALIFORNIA <br /> PIS PE/RG DESIGNED DETAILED ACAD FILE: PROJECT NO.: FIGURE: <br /> �,' DSB AJK 3983POT 02070-3983 <br />