# Air Plan Approval; South Carolina: New Source Review Updates
> **Rule** · Final rule. · Published 2023-10-04 · Effective 2023-11-03 · 88 FR 68465
## Document
- **Document number:** 2023-21722
- **Category:** air-emissions
- **Federal Register citation:** 88 FR 68465
- **CFR reference:** 40 CFR 52
- **Publication date:** 2023-10-04
- **Effective date:** 2023-11-03
- **State:** SC
- **EPA docket:** EPA-R04-OAR-2022-0397
## Abstract

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (hereinafter referred to as SC DHEC or South Carolina) via a letter dated February 3, 2022. The SIP revision updates portions of South Carolina's Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR) regulations that pertain to Project Emissions Accounting (PEA) provisions. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act) and implementing Federal regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/10/04/2023-21722/air-plan-approval-south-carolina-new-source-review-updates)
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