Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Extension of an Alternative Closure Requirement Deadline; Extension of Comment Period

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 257 [EPA-HQ-OLEM-2025-2864; FRL-12968-03-OLEM] RIN 2050-AH42 AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule; extension of comment period. SUMMARY: The Environmental Protection Agency (EPA or the Agency) is extending the comment period for the proposed rule entitled “Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Extension of an Alternative Closure Requirement Deadline.” EPA is extending the comment period until February 6, 2026, in response to stakeholders' requests for a comment period extension. DATES: The comment period for the proposed rule published on November 28, 2025 ( 90 FR 54611 ) was originally scheduled to close on January 7, 2026, but the comment period is being extended by 30 days. Comments must be received on or before February 6, 2026. ADDRESSES: Submit your comments, identified by Docket ID No. EPA-HQ-OLEM-2025-2864, online at https://www.regulations.gov . Follow the detailed online instructions provided under ADDRESSES in the Federal Register document published on November 28, 2025 ( 90 FR 54611 ). Do not submit electronically any information you consider to be Confidential Business Information (CBI) or other information whose disclosure is restricted by statute. Additional instruction on commenting and visiting the docket, along with more information about dockets generally, is available at https://www.epa.gov/​doc…