Environmental Protection Agency Docket EPA-R05-OAR-2010-0037 Proposed Rule

2020-01321: Air Plan Approval; Minnesota; Revision to Taconite Federal Implementation Plan

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Summary

The Environmental Protection Agency (EPA) is proposing revisions to a Federal implementation plan (FIP) addressing the requirement for best available retrofit technology (BART) for the United States Steel Corporation's (U.S. Steel) taconite plant located in Mt. Iron, Minnesota (Minntac or Minntac facility). We are proposing to revise the nitrogen oxides (NO<INF>X</INF>) limits for U.S. Steel's taconite furnaces at its Minntac facility because new information has come to light that was not available when we originally promulgated the FIP on February 6, 2013. The EPA is proposing this action pursuant to sections 110 and 169A of the Clean Air Act (CAA).

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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