30 C.F.R. § 56.7801 Jet drills.
Title 30 - Mineral Resources
Jet piercing drills shall be provided with— (a) A system to pressurize the equipment operator's cab, when a cab is provided; and (b) A protective cover over the oxygen flow indicator.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart F—Drilling and Rotary Jet Piercing
Rotary Jet Piercing
§ 56.7801 Jet drills.

