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Proposed rule

Air Plan Approval; Montana; Revisions to Western Sugar Stipulation

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Jan. 23, 2026. Document 2026-01324. Updated Nov. 15, 2026.

What it does

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Montana State Implementation Plan (SIP). These revisions specifically address sulfur dioxide (SO<INF>2</INF>) emission limits and associated requirements related to the Western Sugar Cooperative facility in Billings, Montana. The EPA is taking this action pursuant to the Clean Air Act (CAA).

The Environmental Protection Agency's summary, as published in the Federal Register.

What it would change

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

What happens next and when

Written comments must be received on or before February 23, 2026.

The agency's dates, word for word.

Document number2026-01324
ActionProposed rule.
AgenciesEnvironmental Protection Agency
PublishedJan. 23, 2026
Comments closeFeb. 23, 2026
DocketEPA-R08-OAR-2025-2070

Source: the Federal Register (public domain). The document in the Federal Register