C.F.R. » Title 30 » CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR › SUBCHAPTER O—COAL MINE SAFETY AND HEALTH › PART 74—COAL MINE DUST SAMPLING DEVICES › Subpart B—Approval Requirements for Coal Mine Dust Personal Sampler Unit

30 C.F.R. § 74.3

Sampler unit

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A CMDPSU 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.