Air Plan Approval; OR; Update to Materials Incorporated by Reference

Document 2026-12415 is a Final Rule published by the Environmental Protection Agency in the Federal Register on June 22, 2026, with an effective date of June 22, 2026. The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Oregon State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by Oregon and approved by the EPA. This update affects the materials that are available for public inspection at the EPA Regional Office and the National Archives and Records Administration (NARA). In this action, the EPA is also notifying the public that we are correcting two typographical errors. View the original at https://www.federalregister.gov/documents/2026/06/22/2026-12415/air-plan-approval-or-update-to-materials-incorporated-by-reference.

No. Document 2026-12415 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.