5 Sep 2025

🌬️Kentucky SO2 Nonattainment Regulations and Business Compliance

Air Plan Approval; Kentucky; Emissions Inventory and Nonattainment New Source Review for the Henderson-Webster Sulfur Dioxide Nonattainment Area

Summary

The Environmental Protection Agency (EPA) is proposing to approve two State Implementation Plan (SIP) revisions submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet (Cabinet), Division of Air Quality (DAQ) on January 26, 2024, and February 15, 2024, to certify two requirements under the Clean Air Act (CAA or Act). These revisions establish that the Kentucky SIP satisfies the nonattainment new source review (NNSR) and base year emissions inventory requirements for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS) for the Henderson-Webster SO<INF>2</INF> nonattainment area (hereinafter "Henderson-Webster SO<INF>2</INF> Nonattainment Area" or "Area"). These actions are being proposed pursuant to the CAA.

Agencies

  • Environmental Protection Agency

Business Impact ?

$$$ - High

The content outlines regulatory compliance requirements for businesses operating in the Henderson-Webster SO2 nonattainment area, specifically regarding emissions inventories and new source review permitting under the Clean Air Act. These regulations affect industries emitting sulfur dioxide, necessitating updates to business operations to comply with air quality standards.

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