Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; District of Columbia; Negative Declaration for Existing Other Solid Waste Incinerators

The Environmental Protection Agency (EPA) is proposing to approve the negative declaration submitted by the District of Columbia Department of Energy and Environment (DCDOEE) on May 21, 2026. The negative declaration submitted by DCDOEE certifies that there are no existing other solid waste incinerators (OSWI) subject to sections 111(d) and 129 of the Clean Air Act (CAA) within the jurisdiction of the District of Columbia (DC).