30 C.F.R. § 56.3400 Secondary breakage.
Title 30 - Mineral Resources
Prior to secondary breakage operations, material to be broken, other than hanging material, shall be positioned or blocked to prevent movement which would endanger persons in the work area. Secondary breakage shall be performed from a location which would not expose persons to danger.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart B—Ground Control
Precautions
§ 56.3400 Secondary breakage.