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Parking California <br /> Muffler&Brake <br /> r---- ---(—21 55)---- <br /> U-5 <br /> 5)— --U-5 I <br /> I—r---------- ----k I .� � +(U21 69) <br /> { I Former Station I �--- —21 <br /> I—I Building I I Former B <br /> C W O Tank <br /> II I I <br /> II I I <br /> i l— 71 I I LU-1 <br /> (-211 ) 12r¢-- ----� Fo <br /> j j <br /> r —� —mai 1 I Pump <br /> Former <br /> W O Tank L I I I — Island <br /> fl I <br /> (-21 19) W <br /> I II \ <br /> I I Nj Fo r �♦ U_3 � (-2151) <br /> I I I o Pump �� U;S <br /> I E I I Islands (-2128) ♦ z <br /> U-6L JJ L_ UV-1 /tel j <br /> (-2020) —� U-2--� ♦ --' / <br /> (—21 14) ♦♦ �� U <br /> \ Former U G <br /> N� <br /> w Tank Site <br /> \ <br /> NO <br /> NO <br /> g <br /> EAST MINER AVENUE <br /> U-7 <br /> (-2039) <br /> Parking <br /> LEGEND <br /> Monitoring well <br /> Vapor extraction well <br /> { ) Ground water elevation in feet relative to Mean Sea Levet 0 30 60 <br /> ## <br /> # <br /> Direction of ground water flow with approximate hydraulic gradient Approx scale feet <br /> Contours of ground water elevation <br /> POTENTIOMETRIC SURFACE MAP FOR THE FEBRUARY 3,1997 MONITORING EVENT <br /> FORMER UNOCAL SIS#0187 FIGURE <br /> D SERVICES,INCORPORATED 437 E MINER AVENUE <br /> STOCKTON,CALIFORNIA 1 <br />