Regulations last checked for updates: May 19, 2024

Title 30 - Mineral Resources last revised: May 15, 2024
§ 57.8529 - Auxiliary fan systems.

When auxiliary fan systems are used, such systems shall minimize recirculation and be maintained to provide ventilation air that effectively sweeps the working places.

authority: 30 U.S.C. 811.
source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 57.8529