# Air Plan Approval; South Carolina; Second Planning Period Regional Haze Plan
> **Rule** · — · Published 2025-12-30 · 90 FR 61067
## Document
- **Document number:** C1-2025-22565
- **Category:** other
- **Federal Register citation:** 90 FR 61067
- **CFR reference:** 40 CFR 52
- **Publication date:** 2025-12-30
- **State:** SC
- **EPA docket:** EPA-R04-OAR-2022-0367
## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/12/30/C1-2025-22565/air-plan-approval-south-carolina-second-planning-period-regional-haze-plan)
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