# Air Plan Approval; North Carolina; North Carolina BART Rule Revisions
> **Rule** · Final rule. · Published 2022-06-21 · Effective 2022-07-21 · 87 FR 36769
## Document
- **Document number:** 2022-13161
- **Category:** air-emissions
- **Federal Register citation:** 87 FR 36769
- **CFR reference:** 40 CFR 52
- **Publication date:** 2022-06-21
- **Effective date:** 2022-07-21
- **State:** NC
- **EPA docket:** EPA-R04-OAR-2021-0610
## Abstract

The Environmental Protection Agency (EPA) is finalizing approval of a North Carolina State Implementation Plan (SIP) revision, submitted through a letter dated April 13, 2021. The SIP revision includes changes to North Carolina's SIP-approved rule addressing best available retrofit technology (BART) for regional haze. EPA is approving North Carolina's SIP revision because the changes are consistent with Clean Air Act (CAA or Act) requirements.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2022/06/21/2022-13161/air-plan-approval-north-carolina-north-carolina-bart-rule-revisions)
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