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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 April 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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