WASHINGTON, July 22 -- Mine Safety and Health Administration has issued a proposed rule called: Powered Air Purifying Respirators (PAPRs) in Underground Mines.
The proposed rule was published in the Federal Register on July 22 by James P. McHugh, Deputy Assistant Secretary for Policy, Mine Safety and Health Administration.
Summary: MSHA is extending the comment period on the proposed rule titled, "Powered Air Purifying Respirators (PAPRs) in Underground Mines, " published in the Federal Registeron July 1, 2025, with an established public comment period that is scheduled to end on July 31, 2025. In response to requests for additional time to develop and submit comments on the proposed rule, MSHA is extending the comment period for an addit...