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PM-2.5 (2012) Clean Data Determination/Attainment Determinations For Areas with Current Nonattainment Status

Data is current as of September 30, 2022
Ordered 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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