Mingo Logan Coal asks to remix mine safety standards
Published Date: 4/18/2025
Notice
Summary
Mingo Logan Coal, LLC is asking to change some safety rules at their mine by using a different method that keeps miners just as safe. This petition affects coal miners and could change how safety is managed without costing extra money. Everyone has until May 19, 2025, to share their thoughts on this change.
Analyzed Economic Effects
4 provisions identified: 4 benefits, 0 costs, 0 mixed.
Allow specific PAPRs within 150 feet
Mingo Logan Coal is asking MSHA to allow miners at the Mountaineer II Mine to use the 3M Versaflo TR-800 and the CleanSpace EX powered air-purifying respirators (PAPRs) within 150 feet of pillar workings or longwall faces as an alternative to 30 CFR 75.1002(a). The petition says these devices will provide no less protection than the current standard.
Must deenergize PAPRs at 1.0% methane
The petition would require that the 3M Versaflo TR-800 and CleanSpace EX PAPRs be deenergized and removed from service if methane is detected at concentrations of 1.0 percent or greater. All hand-held methane detectors used must give visual and audible warnings at or above 1.0 percent.
Battery and charging safety limits for PAPRs
The petition would require use of only specified battery packs (3M TR-830 for the Versaflo and the CleanSpace EX Power Unit), charging only with specified chargers on the mine surface in areas free of combustible material, no wetting of batteries, and adherence to manufacturer temperature limits. Batteries must be changed out in intake air outby the last open crosscut and be charged sufficiently before shifts.
Training, inspections, and record rules
The petition requires that affected miners receive training on use and maintenance of the PAPRs (including SCSR donning) and that training revisions be submitted within 60 days after a PDO is final. It also requires pre-use inspections, weekly examinations recorded in a logbook (examination entries may be expunged after one year), and that training be refreshed annually.
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Key Dates
Department and Agencies
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Previous / Next Documents
Previous: 2025-06724, Petition for Modification of Application of Existing Mandatory Safety Standards
Wolf Run Mining, LLC asked to change some mine safety rules to use a different way that keeps miners just as safe. This affects coal mines and aims to keep safety strong without extra costs or delays. Everyone has until May 19, 2025, to share their thoughts on this change.
Next: 2025-06726, Petition for Modification of Application of Existing Mandatory Safety Standards
Mingo Logan Coal wants to change some safety rules at their mine to use a different method that keeps miners just as safe. They’re asking for approval and inviting everyone to share their thoughts by May 19, 2025. This could affect how safety checks are done but won’t cost more or put miners at risk.