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GEO-PHASE <br /> ENVIRONMENTAL <br /> ' Work Plan <br /> Weeks Property <br /> 461 Powers <br /> Manteca, CA <br /> May 9,2003 <br /> Project No.408.2 <br /> 1.0 INTRODUCTION <br /> The Property consists of 0.29-acre lot in a mixed-use area of Manteca, CA. It was formerly <br /> ' used as an auto repair shop. As part of an environmental assessment, two soil borings are <br /> herein proposed to investigate possible impact from three hydraulic lifts and an oil-water <br /> separator. <br /> ' 2.0 PROPOSED INVESTIGATION <br /> To assess sub-surface environmental conditions of a part of the Property, Geo-Phase <br /> ' Environmental proposes to install two machine-drilled, Geo-Probe Soil Borings to a depth <br /> sufficient to penetrate the groundwater surface. The total depths of these borings are <br /> anticipated to be about 20 feet. Since the groundwater flow in this part of Manteca generally <br /> ' flows to the northwest, any contamination associated with this project is expected to flow in <br /> that direction. Locations of the soil borings will be as follows: <br /> ' 1. The first will be outside the northwest corner of the building. This will assess whether <br /> the hydraulic lifts and shop floor drains have impacted the groundwater. <br /> 2. Secondly, a soil boring will be installed near the sumps on the north side of the building. <br /> 2937 Veneman Avenue, Suite B240 Geo-Phase Environmental Inc. Phone: (209)569.0293 <br /> Modesto, Ca 95356 Fax: (209)569-0295 <br />