Environmental Protection Agency · EPA-R08-OAR-2020-0098
Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5 Redesignations to Attainment and Utah State Implementation Plan Revisions
The Federal Register published the matched proposal on July 16, 2025 and the matched final rule on November 19, 2025, 126 days later.
Official publication history
Proposal ·
Air Plan Approval; State of Utah; Utah PM2.5 State Implementation Plan Revisions
Comment date listed August 15, 2025
Final rule ·
Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5 Redesignations to Attainment and Utah State Implementation Plan Revisions
Effective date in register data December 19, 2025
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