EPAFinal Rule

OK035.22 Oklahoma; National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Oklahoma, Final rule; notice of delegation, 7 pages. This rule is effective February 2, 2026. This Federal Register begins near the lower right corner of the first page.

EnvironmentEnergy

Summary

The EPA is giving Oklahoma the authority to enforce federal air pollution standards for hazardous chemicals in the state, rather than having the EPA do it directly. This means Oklahoma will take over responsibility for monitoring and regulating dangerous air pollutants that can harm people's health, starting February 2, 2026.

Key Points

  • 1Oklahoma receives permission from the EPA to enforce the National Emission Standards for Hazardous Air Pollutants (NESHAP) within the state
  • 2This delegation of authority becomes effective on February 2, 2026, meaning Oklahoma's state agency will take over enforcement responsibilities previously held by the federal EPA
  • 3The change affects industries and facilities in Oklahoma that emit hazardous air pollutants, such as chemical plants, refineries, and manufacturing operations
  • 4Oklahoma must now ensure that these facilities meet the same federal air quality standards and submit compliance reports to the EPA
  • 5Residents of Oklahoma may work with state regulators instead of federal EPA officials for air pollution complaints and enforcement actions

Impact Assessment

If you are a manufacturer or industrial facility in Oklahoma, this means you will report to and be regulated by Oklahoma state officials instead of the EPA for hazardous air pollutant standards starting February 2, 2026.

Impact Level
Moderate
Geographic Scope

State-specific

Compliance Cost

Minimal

Who is Affected
ManufacturersState GovernmentsEnergy CompaniesWorkers/Laborers

Key Dates

Published

January 2, 2026

This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.