30 C.F.R. § 74.1 Purpose.
Title 30 - Mineral Resources
The regulations in this part set forth the requirements for approval of coal mine dust personal sampler units designed to determine the concentrations of respirable dust in coal mine atmospheres; procedures for applying for such approval; test procedures; and labeling.
Title 30: Mineral Resources
PART 74—COAL MINE DUST PERSONAL SAMPLER UNITS
§ 74.1 Purpose.
