30 C.F.R. § 57.5044 Respirators.
Title 30 - Mineral Resources
In environments exceeding 1.0 WL, miners shall wear respirators approved by NIOSH for radon daughters prior to July 10, 1995 or under the equivalent section of 42 CFR part 84 and such respirator use shall be in compliance with §57.5005. [60 FR 30400, June 8, 1995]
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart D—Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
Radiation—Underground Only
§ 57.5044 Respirators.
