30 C.F.R. § 57.19133 Shaft.
Title 30 - Mineral Resources
Shafts that have not been inspected within the past 7 days shall not be used until an inspection has been conducted by a competent person.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Inspection and Maintenance
§ 57.19133 Shaft.
