Proposed rule · 2026-16930

Air Plan Approval; South Carolina; Minor Source Permit Program Revisions

The U.S. Environmental Protection Agency (EPA or Agency) is proposing action on changes to South Carolina's State Implementation Plan (SIP) to revise regulations prescribing minor source permitting program requirements, including minor new source review (NSR) requirements, involving, in part, minor source permitting public participation, in SIP revisions submitted by the State of South Carolina through the South Carolina Department of Health and Environmental Control (SC DHEC) on October 1, 2007; July 18, 2011; August 8, 2014; July 27, 2016; and April 24, 2020. This proposal supplements previous proposals the EPA published on August 17, 2017, and January 21, 2025. This proposal is being issued pursuant to the Clean Air Act (CAA or Act).