Environmental Protection Agency · EPA-R05-OAR-2021-0963
Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period
The Federal Register published the matched proposal on June 18, 2025 and the matched final rule on January 26, 2026, 222 days later.
- Comment dates in the record. July 18, 2025 → August 18, 2025. See the individual notices below.
Official publication history
Proposal ·
Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period
Comment date listed July 18, 2025
Comment period update ·
Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period; Extension of Comment Period
Comment date listed August 18, 2025
Final rule ·
Air Plan Approval; Indiana; Regional Haze Plan for the Second Implementation Period
Effective date in register data February 25, 2026
About this timeline
How the records were matched
America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.
A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.
Federal Register data source · Search Regulations.gov · Download this snapshot