Environmental Protection Agency · EPA-R09-OAR-2025-0625
Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits
The Federal Register published the matched proposal on July 24, 2025 and the matched final rule on March 23, 2026, 242 days later.
Official publication history
Rule ·
Interim Final Determination To Stay or Defer Sanctions; California; Mojave Desert Air Quality Management District
Comment date listed August 25, 2025Effective date in register data July 24, 2025
Proposal ·
Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits
Comment date listed August 25, 2025
Final rule ·
Air Plan Revisions; California; Mojave Desert Air Quality Management District; New Source Review; Stationary Source Permits
Effective date in register data April 22, 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