30 C.F.R. § 75.512-2 Frequency of examinations.
Title 30 - Mineral Resources
The examinations and tests required by §75.512 shall be made at least weekly. Permissible equipment shall be examined to see that it is in permissible condition.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.512-2 Frequency of examinations.

