# Approval of Revisions to the Tennessee State Implementation Plan Regarding Visibility
> **Rule** · Direct final rule. · Published 1997-07-02 · Effective 1997-09-02 · 62 FR 35681
## Document
- **Document number:** 97-17183
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 35681
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-07-02
- **Effective date:** 1997-09-02
- **State:** TN
- **EPA docket:** TN 104-1-9706(b)
## Abstract

EPA is approving the visibility protection chapter for the State of Tennessee submitted to EPA on February 9, 1993, and December 19, 1994, by Tennessee, through the Tennessee Department of Environment and Conservation (TDEC). The intended effect of these revisions is to meet the requirements of the Clean Air Act (CAA) for the purpose of assuring visibility protection in mandatory Class I Federal areas.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/07/02/97-17183/approval-of-revisions-to-the-tennessee-state-implementation-plan-regarding-visibility)
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