Air Plan Approval; Montana; Revisions to Western Sugar Stipulation
The Environmental Protection Agency (EPA) is approving 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).
What this item does
The short version, using the agency's own summary text.
The Environmental Protection Agency (EPA) is approving 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).
Final rule.
Important dates
The dates that matter most for this item.
Published
May 14, 2026
Starts
June 15, 2026
Who published it
The agencies listed in the official filing.
Federal rulebook sections mentioned
These are the parts of the Code of Federal Regulations cited in the filing.