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Peng California <br /> Muffler&Brake <br /> __ _- ---(-2051)------- -- -- <br /> I U-5 I <br /> U-4- <br /> • ! 1 Former Station I I <br /> I-I i Building i I Former I <br /> I! 1 1 W O Tank ! <br /> II 1 <br /> 11 1 <br /> 1 <br /> (-2075) <br /> nFormer <br /> r n �- r- I I Pump <br /> Former L J I I 1 v Island <br />{ W O Tank i I I i Former U G I <br /> 1 I I Tank Site (-2077) <br /> I I I I Fo er \ U-3 1 z o <br /> I II I Pu P <br /> I III Isl cls <br /> U-6 o L-J L J __ o �J� cif j o ¢ (-21 00) <br /> (-2008) +� --- <br /> U-2 - '/ +UV-1 U <br /> (-2061) �� (-2064) <br /> J I <br /> �2 <br /> o6, <br /> EAST MINER AVENUE <br /> U-7+ <br /> (-2036) <br /> Parking <br /> LEGEND <br /> - Monitonng well <br /> Vapor extraction well <br /> � ) Ground water elevation in feet relative to Mean Sea Level 0 30 60 <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 AUGUST 4,1997 MONITORING EVENT <br /> DI FORMER UNOCAL SIS#0187 FIGUR9 <br /> g5 SERVICES INCORPORATED 437 E MINER AVENUE <br /> STOCKTON,CALIFORNIA 1 <br />