Environmental Protection Agency Docket EPA-R10-OAR-2021-0216 Proposed Rule

2021-24965: Air Plan Approval; AK; Incorporation by Reference Updates and Permit Program Revisions

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Summary

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Alaska State Implementation Plan (SIP) submitted on November 10, 2020. The revisions update the adoption by reference of certain Federal air regulations and add a pre-approved emission limit option that may be used to permit diesel engine facilities, among other changes. The EPA is proposing to approve the submitted revisions as consistent with Clean Air Act requirements.

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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