---
kind: "section"
citation: "30 C.F.R. § 74.3"
title: "30"
number: "74.3"
heading: "Sampler unit."
url: "https://uscodex.org/cfr/30/74.3"
---

# §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.

## Notes

### Authority

Authority: 30 U.S.C. 957.

### Source

Source: 75 FR 17523, Apr. 6, 2010, unless otherwise noted.