30 CFR § 75.401-1
Excessive amounts of dust.
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.
30 CFR § 75.401-1
Excessive amounts of dust.
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.
