Air Plan Approval; Pennsylvania; Regulatory Updates to Nonattainment New Source Review (NNSR) Permitting Requirements for 2012 PM2.5

Publication Date: 
Tuesday, March 9, 2021 - 4:00am

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania, on March 10, 2020. This revision pertains to the Pennsylvania Department of Environmental Protection Agency's (PADEP) amendments to 25 Pa. Code Chapters 121 (General Provisions) and 127 (Construction, Modification, Reactivation and Operation of Sources) to implement Federal nonattainment new source review (NNSR) provisions for the 2012 annual fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standard (NAAQS). This action is being taken under the Clean Air Act (CAA).

Environmental Protection Agency