Air Plan Approval; District of Columbia; Creation of Synthetic Minor Permit Program

Document 2026-12898 is a Final Rule published by the Environmental Protection Agency in the Federal Register on June 26, 2026, with an effective date of July 27, 2026. The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Department of Energy and Environment (DOEE) on behalf of the District of Columbia (DC). The revision pertains to creating a synthetic minor permit program and resolving the regulatory differences between DC's current regulations and those regulations approved previously in Chapters 1 and 2 of the Air Quality Regulations codified in title 20 of the District of Columbia Municipal Regulations (DCMR). The intended effect of this action is to enable DC to create federally enforceable synthetic minor permit conditions for sources of criteria pollutants. The EPA is approving these revisions to the DC SIP in accordance with the requirements of the Clean Air Act (CAA). View the original at https://www.federalregister.gov/documents/2026/06/26/2026-12898/air-plan-approval-district-of-columbia-creation-of-synthetic-minor-permit-program.

No. Document 2026-12898 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.