M-Class Mining Petitions Mine Safety & Health Administration for Powered Air Purifying Respirators
July 15, 2025
July 15, 2025
WASHINGTON, July 15 (TNSFR) -- M-Class Mining LLC, Macedonia, Illinois, has submitted a petition to the U.S. Department of Labor Mine Safety and Health Administration requesting a change to existing mandatory safety standards seeking to allow the use of intrinsically safe Powered Air Purifying Respirators as an alternative for protecting miners from respirable dust.
The petition from M-Class Mining focuses on their request to use CleanSpace EX and 3M Versaflo TR-800 PAPRs within or . . .
The petition from M-Class Mining focuses on their request to use CleanSpace EX and 3M Versaflo TR-800 PAPRs within or . . .