19 Aug 2025

🌫️Tennessee's Regional Haze Plan

Air Plan Approval; Tennessee; Second Planning Period Regional Haze Plan

Summary

The Environmental Protection Agency (EPA) is proposing to approve a regional haze State Implementation Plan (SIP) revision submitted by the Tennessee Department of Environmental Conservation (TDEC), dated February 23, 2022, as satisfying the applicable requirements under the Clean Air Act (CAA or Act) and EPA's Regional Haze Rule (RHR) for the program's second planning period. Tennessee's SIP submission addresses the requirement that states must periodically revise their long-term strategies for making reasonable progress toward the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas. The SIP submission also addresses other applicable requirements for the second planning period of the regional haze program. EPA is proposing this action pursuant to sections 110 and 169A of the Act.

Agencies

  • Environmental Protection Agency

Business Impact ?

$$$ - High

The content outlines compliance requirements for air quality regulations under the Clean Air Act, which directly impacts businesses in Tennessee, especially those in industries that contribute to air pollution. The proposed modifications may result in increased operating costs for companies needing to adhere to stricter emission limits or undertake retrofitting activities.

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