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8-Hour Ozone (2015) Attainment Date Extensions
8-Hour Ozone (2015) Attainment Date Extensions
Data is current as of March 31, 2024Ordered by Classification
Click on the 'FR' link to view the Federal Register Notice
| MARGINAL | |||
Uinta Basin, UT | |||
| Proposed Approval | 04/13/2022 | 87 FR 21842 | |
| Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
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