30 CFR § 74.3 - Sampler unit.
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§ 74.3 Sampler unit.
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.