30 CFR § 74.3
Sampler unit
July 29, 2020
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.
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.