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PM-2.5 (2012) Clean Data Determination/Attainment Determinations For Areas with Current Nonattainment Status
PM-2.5 (2012) Clean Data Determination/Attainment Determinations For Areas with Current Nonattainment Status
Data is current as of March 31, 2024Ordered by Area Name
Click on the 'FR' link to view the Federal Register Notice
| MODERATE | |||
Allegheny County, PA | |||
| Clean Data Determination | |||
| Proposed Approval | 09/03/2021 | 86 FR 49497 | |
| Final Approval | 03/16/2022 | 87 FR 14799 | Effective: 04/15/2022 |
| Determination of Attainment by Attainment Date | |||
| Proposed Approval | 02/08/2023 | 88 FR 8249 | |
| Final Approval | 05/19/2023 | 88 FR 32117 | Effective: 06/20/2023 |
Imperial County, CA | |||
| Both Clean Data Determination and Determination of Attainment by Attainment Date | |||
| Proposed Approval | 10/20/2022 | 87 FR 63751 | |
| Final Approval | 01/11/2023 | 88 FR 1515 | Effective: 02/10/2023 |
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