30 C.F.R. § 56.18020 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 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart Q—Safety Programs
§ 56.18020 Working alone.
