Environmental Protection Agency Docket EPA-R04-OAR-2023-0458 Proposed Rule

2024-04362: Air Plan Approval; Tennessee; Revisions to the Continuous Opacity Monitoring System Requirements

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Summary

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Tennessee through the Department of Environment and Conservation (TDEC), Division of Air Pollution Control, via a letter dated September 28, 2022. The SIP revision seeks to modify the State's required monitoring standards by adding exemptions to opacity monitoring requirements. EPA is proposing this action pursuant to the Clean Air Act (CAA or Act).

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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