GroundRules
30 CFR 75.400-1: -1 Definitions.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER O—COAL MINE SAFETY AND HEALTH
- PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
- Subpart E—Combustible Materials and Rock Dusting
(a) The term coal dust means particles of coal that can pass a No. 20 sieve.
(b) The term float coal dust means the coal dust consisting of particles of coal that can pass a No. 200 sieve.
(c) The term loose coal means coal fragments larger in size than coal dust.
Collected 2026-08-27T02:25:24Z. Source file · JSON