30 C.F.R. § 57.19094 Posting signal code.
Title 30 - Mineral Resources
A legible signal code shall be posted prominently in the hoist house within easy view of the hoistmen, and at each place where signals are given or received.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Signaling
§ 57.19094 Posting signal code.
