30 CFR § 33.23 - Mechanical positioning of parts.

---
identifier: "/us/cfr/t30/s33.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 33.23 - Mechanical positioning of parts."
title_number: 30
title_name: "Mineral Resources"
section_number: "33.23"
section_name: "Mechanical positioning of parts."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "B"
subchapter_name: "TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS"
part_number: "33"
part_name: "DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 957, 961."
regulatory_source: "Schedule 25B, 25 FR 6473, July 9, 1960, unless otherwise noted."
cfr_part: "33"
---


# 33.23 Mechanical positioning of parts.

All parts of a unit that are essential to the dust-collection feature shall be provided with suitable mechanical means for positioning and maintaining such parts properly in relation to the stratum being drilled.