30 C.F.R. § 77.202 Dust accumulations in surface installations.
Title 30 - Mineral Resources
Coal dust in the air of, or in, or on the surfaces of, structures, enclosures, or other facilities shall not be allowed to exist or accumulate in dangerous amounts.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart C—Surface Installations
§ 77.202 Dust accumulations in surface installations.
