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Final ruleTook effect Sept. 21, 2026

Air Plan Approval; SC; Department Name Change

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Aug. 20, 2026. Document 2026-16990. Updated Nov. 6, 2026.

What it does

The U.S. Environmental Protection Agency (EPA or Agency) is approving a State Implementation Plan (SIP) revision submitted by the State of South Carolina on July 23, 2025. The revision updates references to reflect the restructuring of South Carolina Department of Health and Environmental Control (DHEC) to the South Carolina Department of Public Health and the South Carolina Department of Environmental Services (DES).

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 243 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This rule is effective September 21, 2026.

The agency's dates, word for word.

Document number2026-16990
ActionFinal rule.
AgenciesEnvironmental Protection Agency
PublishedAug. 20, 2026
Effective dateSept. 21, 2026
DocketEPA-R04-OAR-2025-3625

Source: the Federal Register (public domain). The document in the Federal Register