Data / Federal rules / 2026-21383
New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Northwest Clean Air Agency, Washington State
The Environmental Protection Agency published this proposed rule in the Federal Register on October 19, 2026. Comments are due by November 18, 2026.
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What the agency says
The Northwest Clean Air Agency (NWCAA), located in Washington State, submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of newly issued or revised New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP), as provided for under previously approved delegation mechanisms. The updated regulations incorporate by reference certain NSPS and NESHAP promulgated by the Environmental Protection Agency (EPA) as they existed through October 18, 2023. The EPA is providing notice that it is proposing to update the delegation of certain NSPS and approve the delegation of certain NESHAP to NWCAA. The proposed delegation of authority under this action does not apply to sources located in Indian country.
Key facts
- Document number
- 2026-21383
- Type
- Proposed rule
- Action
- Proposed rule
- Agency
- Environmental Protection Agency
- Published
- October 19, 2026
- Comments due
- November 18, 2026
- Dates
- Comments must be received on or before November 18, 2026.
- Docket
- EPA-R10-OAR-2026-4291, FRL-13409-01-R10
- Code of Federal Regulations
- 40 CFR 60; 40 CFR 61; 40 CFR 63
- Topics
- Administrative practice and procedure; Air pollution control; Business and industry; Carbon oxides; Environmental protection; Hazardous substances; Intergovernmental relations; Nitrogen oxides; Ozone; Radioactive materials; Reporting and recordkeeping requirements; Sulfur oxides; Uranium; Vinyl chloride; Volatile organic compounds
- Pages
- 5
Other documents from the Environmental Protection Agency
Everything from the Environmental Protection Agency · Rules on administrative practice and procedure · Rules on air pollution control · Rules on business and industry · Published in October 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.