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AP/O/f6d adrosystems 43255 Mission Blvd. Suite B Fremont,CA 94539 (415)651-1906 <br /> WORK PLAN FOR <br /> HYDROCARBON CONTAMINANT DELINEATION <br /> AND HYDROGEOLOGIC CHARACTERIZATION <br /> at USA Station #65 <br /> 2500 West Lodi Avenue <br /> Lodi, California , <br /> INTRODUCTION <br /> The following is an outline of a proposed subsurface environ- <br /> mental investigation for the above-referenced USA Station. This <br /> work plan has been prepared at the request of USA Petroleum <br /> Company. A previous investigation g performed by Pacific <br /> Environmental Group, Inc. (PEG) indicated that ground water below <br /> the tank cavity at the site contained relatively high levels of <br /> dissolved hydrocarbons.. The purpose of the proposed _ <br /> investigation is to further evaluate the vertical and lateral <br /> extent of contamination in the soil and ground water. <br /> Included with this work plan are: 1) a discussion of results <br /> from previous soil and ground water investigations, 2 ) a <br /> description of our proposed work, 3 ) a Site Vicinity Map, Plate <br /> P-1, showing the location of the site, 4) a Generalized Site <br /> Plan, Plate P-2, showing the approximate locations of the <br /> existing underground storage tanks, structures, soil borings, and <br /> t�. <br />