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� <br /> BUILDINGSB-3 <br /> --__----_------- 67.1 , -- .#{w;oa) �..._—...— r <br /> r FORMER USED <br /> J OIL TANK <br /> r r <br /> 87.2' r <br /> STATION <br /> BUILDING c <br /> r <br /> 87.3' Ar a <br /> r __ __ r <br /> I 1 1 <br /> i <br /> MW-�♦ __ <br /> r {B7 33) © © o ��_ �� I SB-2 <br /> e r <br />. PUMP -- <br /> ISLANDS TA KS <br /> r ------- ` <br /> (87.264m W-2 <br /> 11 TH ST. <br /> LEGEND <br /> MONITORING WELL <br /> SOIL BORING <br /> ( ) POTENTIOMETRIC SURFACE ELEVATION (FEET) <br /> (RELATIVE TO ARBITRARY DATUM) <br /> —� POTENTIOMETRIC SURFACE CONTOUR <br /> --� ESTIMATED GROUNDWATER FLOW <br /> DIRECTION AND GRADIENT p FEET 30 <br /> SCALE <br /> ❑© GROUNDWATER 4057 PORT CHICAGO Wwr POTENTIOMETRIC SURFACE MAP <br /> �� TECHNOLOGY CONCORD. CA 24520 (12/14/92) <br /> (5I o) 671-2387 <br /> CLIENT LOCATION REV NO DATE <br /> CHEVRON U.S.A. PRODUCTS CO. 103 1 1 th STREET 0 1/5/93 <br /> SERVICE STATION No 9-0959 TRACY, CAUF'ORNIA <br /> PM PE/RG DESIGNED DETAILED ACAD FILE PROJECT NO FIGURE <br /> 2-1,) JF WL PSMD1 492/SP 193 023202673 3 <br />