COMMENT PERIOD ENDS | Proposed SIP Revision: 2012 Fine Particulate Matter and the 2015 Ozone National Ambient Air Quality Standard

On Jan. 13, 2022, the second comment period ends for the proposed State Implementation Plan (SIP) revision regarding the 2012 Fine Particulate Matter and the 2015 Ozone National Ambient Air Quality Standard (NAAQS). The comment period began on Dec. 13, 2021.

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