U.S. Environmental Protection Agency

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EPA Acting Administrator Andrew Wheeler signs the Record of Decision Amendment for the West Lake Landfill Superfund Site in Bridgeton, Mo. It requires excavation of radiologically impacted material greater than 52.9 picocuries per gram generally down to a depth of 12 feet. The remedy also calls for an optimization during remedial design, which will identify certain areas for continued excavation beyond 12 feet down to as deep as 20 feet. After completion of the excavation, an engineered cover will be installed over the landfill, consistent with landfill closure requirements and the Uranium Mill Tailings and Radiation Control Act. The West Lake Landfill Superfund Site is an approximately 200-acre inactive solid waste disposal facility. The site was used agriculturally prior to 1939 when a limestone quarrying and crushing operation began. EPA placed the site on the National Priorities List in 1990.

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