24 Jul 2025
🌫️EPA Proposes Approval for Washington's Regional Haze Compliance Plan
Air Plan Approval; Washington; Regional Haze State Implementation Plan for the Second Implementation Period
Summary
The Environmental Protection Agency (EPA) is proposing to approve the regional haze State Implementation Plan (SIP) revision submitted by Washington on January 28, 2022, to address applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the regional haze program's second implementation period. The EPA is proposing this action pursuant to the CAA.
Agencies
- Environmental Protection Agency
Business Impact
$$$ - High
The regulatory document details the EPA's proposed approval of Washington's regional haze State Implementation Plan, which mandates compliance measures that directly affect businesses contributing to air pollution. Business owners must adhere to the emission reduction measures specified in this plan or face potential federal oversight.