EPA Approval of Mississippi's Plan to Meet Federal Sulfur Dioxide Air Quality Standards
Official: Air Quality State Implementation Plans; Approvals and Promulgations: Mississippi; 2010 1-Hour SO2 National Ambient Air Quality Standard Transport Infrastructure
Reading: The EPA is approving an existing state implementation plan under the Clean Air Act, extending compliance with the 2010 sulfur dioxide standard without changing the stringency of the standard itself.
The comment period for this proposal has already closed.
In clear language
The EPA is reviewing and approving Mississippi's plan to reduce sulfur dioxide pollution from transportation infrastructure to meet federal air quality standards set in 2010. This is a technical approval document that does not directly create new rules but confirms Mississippi's compliance strategy. The comment period for this proposal has already closed.
How does this affect you?
Pick the type of resident or organization you most identify with — we'll generate a plain-language breakdown of what changes for you and what you can do about it.
Who does this affect?
- Residents of Mississippi and neighboring states who may be affected by sulfur dioxide air pollution from highways and transportation infrastructure
- State environmental agencies in Mississippi responsible for air quality management
- Federal EPA air quality regulators overseeing compliance with the Clean Air Act
What can you do?
- This comment period closed on September 18, 2026, so you cannot submit new comments on this specific proposal
Timeline
- Comment period closed: 2026-09-18
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- 2026-08-27: Proposed rule posted
- 2026-09-18: Comment deadline (closed)
No New Jersey official has a verified action on this policy yet.
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