10 Jul 2025

🌍EPA Proposes Delegation of NESHAP Authority to Oklahoma DEQ

National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Oklahoma

Summary

The Oklahoma Department of Environmental Quality (ODEQ) has submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources, as provided for under previously approved delegation mechanisms. The updated State regulations incorporate by reference certain NESHAP promulgated by the Environmental Protection Agency (EPA), as they existed through June 30, 2023. The EPA is proposing to approve ODEQ's requested delegation update. The proposed delegation of authority under this action applies to sources located in certain areas of Indian country as discussed herein.

Agencies

  • Environmental Protection Agency

Business Impact ?

$$$ - High

The proposed rule from the EPA delegates authority to the Oklahoma Department of Environmental Quality to enforce National Emission Standards for Hazardous Air Pollutants (NESHAP). Businesses must ensure compliance with these updated standards, which may affect operational costs and regulatory obligations.

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