8-Hour Ozone (2015) Attainment Date Extensions

Data is current as of November 30, 2025
Ordered by Classification

Click on the 'FR' link to view the Federal Register Notice

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MODERATE
Uinta Basin, UT
Proposed Approval	04/13/2022	87 FR 21842
Final Approval	10/07/2022	87 FR 60897	Effective: 11/07/2022
Proposed Approval	04/10/2024	89 FR 25223

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