Environmental Protection Agency · EPA-R06-OAR-2025-0015
Air Plan Approval; Arkansas; Codification of the State Implementation Plan
The Federal Register published the matched proposal on August 28, 2025 and the matched final rule on January 26, 2026, 151 days later.
Official publication history
Proposal ·
Air Plan Approval; Arkansas; Codification of the State Implementation Plan
Comment date listed September 29, 2025
Final rule ·
Air Plan Approval; Arkansas; Codification of the State Implementation Plan
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.
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