30 CFR § 72.620 - Drill dust control at surface mines and surface areas of underground mines.

---
identifier: "/us/cfr/t30/s72.620"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 72.620 - Drill dust control at surface mines and surface areas of underground mines."
title_number: 30
title_name: "Mineral Resources"
section_number: "72.620"
section_name: "Drill dust control at surface mines and surface areas of underground mines."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "72"
part_name: "HEALTH STANDARDS FOR 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. 811, 813(h), 957."
regulatory_source: "59 FR 8327, Feb. 18, 1994, unless otherwise noted."
cfr_part: "72"
---


# 72.620 Drill dust control at surface mines and surface areas of underground mines.

Holes shall be collared and drilled wet, or other effective dust control measures shall be used, when drilling non-water-soluble material. Effective dust control measures shall be used when drilling water-soluble material.