# Approval and Promulgation of Implementation Plans; North Carolina: Approval of Revisions to the Visible Emissions Regulation Within the North Carolina State Implementation Plan
> **Rule** · Direct final rule. · Published 2003-06-06 · Effective 2003-08-05 · 68 FR 33873
## Document
- **Document number:** 03-12024
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 33873
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-06-06
- **Effective date:** 2003-08-05
- **State:** NC
- **EPA docket:** NC 97-200319b
## Abstract

On April 16, 2001, the North Carolina Department of Environment and Natural Resources submitted revisions to the North Carolina State Implementation Plan (SIP). Addressed in this rulemaking is a revision to rule 15 NCAC 2D .0521. The purpose of this revision is to make the revised regulations consistent with the requirements of the Clean Air Act as amended in 1990. The EPA is approving the revision.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/06/03-12024/approval-and-promulgation-of-implementation-plans-north-carolina-approval-of-revisions-to-the)
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