42 CFR 84.3 - Respirators for mine rescue or other emergency use in mines.
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(1) NIOSH and the Mine Safety and Health Administration (MSHA), U.S. Department of Labor, shall jointly review and issue certifications for respirators used for mine emergencies and mine rescue, including any associated service-life plans, users' manuals and other supporting documentation.
(2) Each certification for a respirator designed for mine rescue or other emergency use in mines shall include, as a condition of approval, any use limitations related to mine safety and health.
Title 42 published on 2014-10-01
no entries appear in the Federal Register after this date.