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Three Innovative Stormwater Treatment Approaches for Three Linked Ports of Tacoma Industrial Sites

机译:三个塔科马工业遗址三个联系港口的三种创新雨水处理方法

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The Port of Tacoma operates the 23-hectare (56-acre) Olympic Container Terminal, 5-hectare (12-acre) North Intermodal Yard, and 9-hectare (22-acre) South Intermodal Yard located in Tacoma, Washington. All three facilities are completely paved and subject to extremely heavy operational loads to accommodate loading, unloading, storage, and transfer of shipping containers to and from ship, rail, and trucks. Stormwater discharges from all three facilities are covered under the Washington State Department of Ecology Industrial Stormwater General Permit and each facility was required to install stormwater runoff treatment by the end of 2014, primarily due to zinc concentrations exceeding permit-defined pollutant benchmarks. Three different proprietary gravity-based treatment solutions were designed to meet each location's unique stormwater characteristics and operational needs while meeting Washington's stringent industrial stormwater treatment performance requirements.
机译:塔科马港的港口经营23公顷(56英亩)奥运集装箱码头,5公顷(12英亩)北多米多尔院区,9公顷(22英亩)南米多尔院位于华盛顿塔科马。所有三种设施都完全铺设并受到极其繁重的运营载荷,以适应船舶,铁路和卡车的装载,卸载,储存和运输运输集装箱。所有这三种设施的雨水排放都涉及华盛顿州生态工业雨水一般许可证,每个设施都需要在2014年底安装雨水径流处理,主要是由于锌浓度超过了许可定义的污染力基准。设计了三种不同的基于专有的重力的处理解决方案,旨在满足每个地点的独特雨水特点和运营需求,同时满足华盛顿严格的工业雨水处理性能要求。

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