GroundRules
30 CFR 33.22: Mode of use.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS
- PART 33—DUST COLLECTORS FOR USE IN CONNECTION WITH ROCK DRILLING IN COAL MINES
- Subpart B—Dust-Collector Requirements
(a) A unit or system may be designed for use in connection with percussion and/or rotary drilling in any combination of the following drilling positions: (1) Vertically upward, (2) upward at angles to the vertical, (3) horizontally, and (4) downward.
(b) Dust-collector units may be designed for use with specific drilling equipment or at specific drilling speeds.
Collected 2026-08-27T02:25:24Z. Source file · JSON