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

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Proposed rule |
| Action | Proposed rule. |
| Published | 2026-08-19 |
| Comments close | 2026-09-18 |
| Significant | No |
| CFR parts | 40 CFR 52 |
| Summary | The U.S. Environmental Protection Agency (EPA or Agency) is proposing to approve changes to South Carolina's State Implementation Plan (SIP) to revise regulations prescribing minor source permit program requirements, including minor new source review (NSR) requirements, in SIP revisions submitted by the State of South Carolina on October 1, 2007, July 18, 2011, August 8, 2014, April 24, 2020, and July 23, 2025. This action is being proposed pursuant to the Clean Air Act (CAA or Act). |
| Document number | 2026-16937 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/19/2026-16937/air-plan-approval-south-carolina-minor-source-permit-program-revisions). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.