EPA Proposes Cleanup Plan for the Iron King Mine-Humboldt Smelter Superfund Site

EPA Proposes Cleanup Plan for the Iron King Mine-Humboldt Smelter Superfund Site PHOENIX – The U.S. Environmental Protection Agency (EPA) has released its cleanup plan for addressing the Iron King Mine-Humboldt Superfund site in Dewey-Humboldt, Arizona. EPA invites the public to review and comment on the proposed plan until May 13, 2023. The efforts envisioned in …

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