Regulations last checked for updates: Nov 22, 2024

Title 30 - Mineral Resources last revised: Nov 19, 2024
All TitlesTitle 30Chapter IPart 57Subpart D - Subpart D—Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
View all text of Subpart D [§ 57.5001 - § 57.5075]
§ 57.5045 - Posting of inactive workings.

Inactive workings in which radon daughter concentrations are above 1.0 WL, shall be posted against unauthorized entry and designated by signs indicating them as areas in which approved respirators shall be worn.

authority: 30 U.S.C. 811.
source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 57.5045
© 2014 CustomsMobile | Disclaimer | Privacy | About