30 C.F.R. § 57.16010 Dropping materials from overhead.
Title 30 - Mineral Resources
To protect personnel, material shall not be dropped from an overhead elevation until the drop area is first cleared of personnel and the area is then either guarded or a suitable warning is given.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart O—Materials Storage and Handling
§ 57.16010 Dropping materials from overhead.
