# 30 C.F.R. § 72.630 (2026): Drill dust control at underground areas of underground mines

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_630

## Section

- **Citation:** 30 C.F.R. § 72.630 (2026)
- **Heading:** Drill dust control at underground areas of underground mines
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 30 CFR: Mineral Resources / Chapter I: MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR / Part 72: HEALTH STANDARDS FOR COAL MINES / Subpart E: Miscellaneous / § 72.630: § 72.630   Drill dust control at underground areas of underground mines.

## Text

(a) Dust resulting from drilling in rock shall be controlled by use of permissible dust collectors, or by water, or water with a wetting agent, or by ventilation, or by any other method or device approved by the Secretary that is as effective in controlling the dust.
(b)
Dust collectors.
Dust collectors shall be maintained in permissible and operating condition. Dust collectors approved under Part 33—Dust Collectors for Use in Connection with Rock Drilling in Coal Mines of this title or under Bureau of Mines Schedule 25B are permissible dust collectors for the purpose of this section.
(c)
Water control.
Water used to control dust from drilling rock shall be applied through a hollow drill steel or stem or by the flooding of vertical drill holes in the floor.
(d)
Ventilation control.
To adequately control dust from drilling rock, the air current shall be so directed that the dust is readily dispersed and carried away from the drill operator or any other miners in the area.

## Nearby sections

- [30 C.F.R. § 72.610 (2026) § 72.610   Abrasive blasting.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_610.md)
- [30 C.F.R. § 72.620 (2026) § 72.620   Drill dust control at surface mines and surface areas of underground mines.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_620.md)
- [30 C.F.R. § 72.630 (2026) § 72.630   Drill dust control at underground areas of underground mines.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_630.md)
- [30 C.F.R. § 72.700 (2026) § 72.700   Respiratory equipment; respirable dust.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_700.md)
- [30 C.F.R. § 72.701 (2026) § 72.701   Respiratory equipment; gas, dusts, fumes, or mists.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_701.md)
- [30 C.F.R. § 72.710 (2026) § 72.710   Selection, fit, use, and maintenance of approved respirators.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_710.md)
- [30 C.F.R. § 72.800 (2026) § 72.800   Single, full-shift measurement of respirable coal mine dust.](https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_800.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T30_P72_S72_630. Check the current official text before relying on it. Not legal advice.