Final rule · 2026-12896

Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Oklahoma; Control of Emissions From Existing Other Solid Waste Incineration Units, Hospital/Medical/Infectious Waste Incinerator Units, and Commercial and Industrial Solid Waste Incineration Units

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is notifying the public that we have received CAA section 111(d)/129 negative declarations from Oklahoma for existing incinerators subject to the Other Solid Waste Incineration units (OSWI), Hospital/Medical/Infectious Waste Incinerator units (HMIWI), and Commercial and Industrial Solid Waste Incineration Units (CISWI) Emission Guidelines (EG). These negative declarations certify that existing incinerators subject to the OSWI, HMIWI, and CISWI EG and the requirements of sections 111(d) and 129 of the CAA do not exist within specified jurisdictions in Oklahoma. The EPA is accepting these negative declarations and amending agency regulations in accordance with the requirements of the CAA.