Air Plan Approval; NC; Miscellaneous NSR Revisions and Updates; Updates to References to Appendix W Modeling Guideline
Primary source
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Issuing agencies
Abstract
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision, submitted by North Carolina on April 13, 2021. Specifically, EPA is proposing to approve updates to the incorporation by reference of federal new source review (NSR) regulations and federal guidelines on air quality modeling in the North Carolina SIP. Based on its proposal to approve this revision, EPA is also proposing to convert the previous conditional approval regarding infrastructure SIP prevention of significant deterioration (PSD) elements for the 2015 Ozone National Ambient Air Quality Standard (NAAQS) for North Carolina to a full approval. EPA is also proposing to approve additional updates to North Carolina's NSR regulations to better align them with the federal rules. EPA is proposing to approve these changes pursuant to the Clean Air Act (CAA or Act).
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