Data / Federal rules / 2025-24207

Air Plan Approval; Michigan and Minnesota; Revision to Taconite Federal Implementation Plan

The Environmental Protection Agency published this final rule in the Federal Register on January 2, 2026. It took effect on February 2, 2026.

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What the agency says

The Environmental Protection Agency (EPA) is finalizing nitrogen oxide (NO<INF>X</INF>) and/or sulfur dioxide (SO<INF>2</INF>) limits for the indurating furnaces at five taconite facilities in accordance with the procedures set forth in the Federal Implementation Plan (FIP) addressing the requirement for best available retrofit technology (BART) at taconite facilities. EPA is also modifying the Upper Predictive Limit (UPL) equations used to establish NO<INF>X</INF> and SO<INF>2</INF> emission limits under the FIP. Finally, the EPA is revising reporting provisions to require reports be submitted to the EPA electronically. The EPA is finalizing these actions pursuant to Clean Air Act (CAA) sections 110 and 169A.

Key facts

Document number: 2025-24207
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: January 2, 2026
Takes effect: February 2, 2026
Dates: This final rule is effective on February 2, 2026.
Docket: EPA-R05-OAR-2024-0215; FRL-12351-02-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Reporting and recordkeeping requirements; Sulfur oxides
Pages: 10

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in January 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.