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Demonstration and Evaluation of an Automated Infiltration Gallery System at Port Hueneme, CA

机译:加利福尼亚州Hueneme港自动渗透廊系统的演示和评估

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The objective of this project was to demonstrate and evaluate the robustness of an automated infiltration gallery system at Port Hueneme, CA designed to remove fuel components from ground water by moving the ground water from a reducing environment in the water table aquifer to the vadose zone where oxidizing conditions exist providing favorable conditions for aerobic bioremediation of the potentially contaminated groundwater. The primary source of oxygen in the vadose zone is the atmosphere. Oxygen is supplied by a combination of processes including diffusion, and natural pumping actions caused by changes in water content and changes in atmospheric pressures. An infiltration gallery, as used in this report, refers to a structure in the soil consisting of slightly perforated (10% or less of the surface area) horizontal pipes surrounded initially by permeable sands or gravels used to distribute water within the soil profile and then allow the water to infiltrate naturally. Infiltration galleries are frequently used for onsite waste treatment called leach fields after a septic tank and to assist in dissipating waters in storm water catchments basins in urban areas. Installing an infiltration gallery at underground storage tank (UST) facilities provides immediate access to local groundwater providing rapid identification of contamination with a built in remedial system capable of handling small releases.

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