30 C.F.R. § 57.18020 Working alone.
Title 30 - Mineral Resources
No employee shall be assigned, or allowed, or be required to perform work alone in any area where hazardous conditions exist that would endanger his safety unless he can communicate with others, can be heard, or can be seen.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart Q—Safety Programs
Surface Only
§ 57.18020 Working alone.
