30 C.F.R. § 77.1010 Collaring holes.
Title 30 - Mineral Resources
(a) Starter steels shall be used when collaring holes with hand-held drills. (b) Men shall not hold the drill steel while collaring holes, or rest their hands on the chuck or centralizer while drilling.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart K—Ground Control
§ 77.1010 Collaring holes.
