Proposed Rule 24 Apr 2025 reporting and recordkeeping requirements, taconite production, minnesota, emissions control, incorporation by reference, intergovernmental relations, environmental regulation, nitrogen oxides, epa, u.s. steel, air pollution control, environmental protection

🌿Proposed NOX Emission Limits for Keetac Taconite Facility

The Environmental Protection Agency (EPA) is proposing to modify nitrogen oxide (NO<INF>X</INF>) emission limits for the indurating furnace at United States Steel's (U.S. Steel's) Keetac taconite facility in Keewatin, Minnesota (Keetac), to satisfy the requirement for best available retrofit technology (BART) at taconite facilities. EPA is proposing this action pursuant to sections 110 and 169A of the Clean Air Act (CAA).

Learn More