Environmental Protection Agency · EPA-R09-OAR-2024-0570
Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality Standards
The Federal Register published the matched proposal on March 17, 2025 and the matched final rule on September 5, 2025, 172 days later.
Official publication history
Proposal ·
Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality Standards
Comment date listed April 16, 2025
Final rule ·
Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality Standards
Effective date in register data October 6, 2025
About this timeline
How the records were matched
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