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DOL/MSHA RIN: 1219-AC17 Publication ID: 2026 
Title: Powered Air Purifying Respirators (PAPRs) in Underground Mines 
Abstract:

The Mine Safety and Health Administration (MSHA)is proposing to allow the use of non-permissible Powered Air Purifying Respirators (PAPRs) in high-hazard areas of mines, if the equipment meets certain technical specifications and is operated under specific conditions. This proposed rule would codify technical specifications and working conditions to allow the use of non-permissible PAPRs in underground gassy mines. This proposed rule would reduce burden because mine operators would no longer need to submit a petition for modification to use non-permissible PAPRs.  The NPRM was published on July 1, 2025, and the comment period extension notice was published on July 22, 2025.

 
Agency: Department of Labor(DOL)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Final Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Deregulatory 
CFR Citation: 30 CFR 57    30 CFR 75   
Legal Authority: 30 U.S.C. 811, 825   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  07/01/2025  90 FR 28406   
NPRM Comment Period End  07/31/2025 
NPRM Comment Period Extended  07/22/2025  90 FR 34405   
NPRM Comment Period Extended End  09/02/2025 
Final Rule  07/00/2026 
Regulatory Flexibility Analysis Required: Undetermined  Government Levels Affected: None 
Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Jessica Senk
Acting Director, Office of Standards, Regulations, and Variances
Department of Labor
Mine Safety and Health Administration
200 Constitution Avenue NW,
Washington, DC 20210
Phone:202 693-9440
Fax:202 693-9441
Email: senk.jessica@dol.gov