U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
The term “excessive amounts of dust” means coal and float coal dust in the air in such amounts as to create the potential of an explosion hazard.
Regulations most recently checked for updates: Aug 28, 2025
The term “excessive amounts of dust” means coal and float coal dust in the air in such amounts as to create the potential of an explosion hazard.