# Approval and Promulgation of Air Quality Implementation Plans; South Carolina; Update to Materials Incorporated by Reference
> **Rule** · Final rule; notice of administrative change. · Published 2011-04-25 · Effective 2011-04-25 · 76 FR 22817
## Document
- **Document number:** 2011-9689
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 22817
- **CFR reference:** 40 CFR 52
- **Publication date:** 2011-04-25
- **Effective date:** 2011-04-25
- **State:** SC
- **EPA docket:** SC-200906
## Abstract

EPA is publishing this action to provide the public with notice of the update to the South Carolina State Implementation Plan (SIP) compilation. In particular, materials submitted by South Carolina that are incorporated by reference (IBR) into the South Carolina SIP are being updated to reflect EPA-approved revisions to South Carolina's SIP that have occurred since the last update. In this action, EPA is also notifying the public of the correction of certain typographical errors.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/04/25/2011-9689/approval-and-promulgation-of-air-quality-implementation-plans-south-carolina-update-to-materials)
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