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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 September 30, 2022Ordered 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 |
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