30 C.F.R. § 74.2 Sampler unit.
Title 30 - Mineral Resources
A coal mine dust personal sampler unit shall consist of (a) a pump unit, (b) a sampling head assembly, and (c) if rechargeable batteries are used in the pump unit, a battery charger.
Title 30: Mineral Resources
PART 74—COAL MINE DUST PERSONAL SAMPLER UNITS
§ 74.2 Sampler unit.
