Ventilation Plan Approval Criteria

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. Department of Labor Mine Safety and Health Administration 30 CFR Part 75 [Docket No. MSHA-2025-0084] RIN 1219-AC21 AGENCY: Mine Safety and Health Administration, Department of Labor. ACTION: Proposed rule; reopening of comment period and notice of public hearing. SUMMARY: In response to a public request, the Mine Safety and Health Administration (MSHA) is reopening the rulemaking record and is scheduling a virtual public hearing on the Agency's proposed rule published on July 1, 2025, titled, “ Ventilation Plan Approval Criteria. ” DATES: Reopening of the comment period: MSHA is reopening the comment period for the proposed rule published on July 1, 2025 ( 90 FR 28443 ) for additional public comments. All new comments must be received or postmarked by 11:59 p.m. Eastern Time on September 30, 2026. Public Hearing: The virtual public hearing will be held on September 16, 2026. Information on how to participate is listed below under SUPPLEMENTARY INFORMATION . ( printed page 48808) ADDRESSES: You may submit comments and informational materials, identified by Docket No. MSHA-2025-0084, electronically at https://www.regulations.gov . Follow the online instructions for making electronic submissions. You should not include personal or proprietary information that you do not wish to disclose publicly. If you mark parts of a comment as “business confidential” information, MSHA will not post those parts of the comment. Otherwise, MSHA will post all comments with…