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System Pilot test commenced at two locations on Sharpe <br /> Facility. Previously short-term tests were performed. <br /> Ground Water Treatment Plant: <br /> Two ground water treatment plants are currently running at the <br /> Sharpe Facility. One plant is referred to as the North Balloon <br /> and the other treatment plant is called the South Balloon. <br /> A third plant will be constructed in what will be referred to as <br /> the Central Area. At the present time, it is not known whether <br /> one or two treatment plants will be required. If the <br /> mineral/inorganic content of the combination of shallow and <br /> deeper zones exceeds the quality of deeper zones, then two <br /> separate plants will be constructed. One plant will treat the <br /> shallow zone and reinject it back into the shallow zone, while <br /> the other treatment plant will treat the deeper zone and reinject <br /> it back into the deeper zone. Currently there are modeling <br /> results that show mixing of the water may be acceptable. CoE has <br /> developed a strategy in which one plant will be constructed. If <br /> the results from this plant indicate that the mineral <br /> concentrations are too high for injection into deeper zone, then <br /> a second plant will be built. <br /> There are plans to build percolation ponds at the Sharpe <br /> Facility. Some of the treated water will be going to the ponds <br /> and will be returned to the aquifer through percolation. The <br /> ponds will serve as storage in the event that someone needs <br /> water. They will also serve as a buffer for the injection wells <br /> if a problem were to occur. <br /> The treatment plants consist of two aspects : ( 1 ) extraction from <br /> the ground and (2 ) the treatment itself . The Army Environmental <br /> Center (AEC) will be responsible for designing the extraction and <br /> injection networks . A report has been submitted and is currently <br /> being reviewed by the regulatory agencies . It is anticipated <br /> that the extraction wells will be put in as early as next month. <br /> Some of these extraction wells will be tied into the existing <br /> treatment system. The Corps of Engineers will be responsible for <br /> the actual design and construction of the plant(s ) and associated <br /> extraction and disposal pipe/pump works . <br /> Soil: <br /> The Sharpe Facility has some soils contamination from various <br /> past practices and activities . A Remedial Investigation (RI ) has <br /> been done to determine the extent of the contamination. A FS is <br /> being performed. The purpose of the FS is to determine the most <br /> 2 <br />