Code of Alabama
Chapter 9 - Coal Mine Safety.
Article 5 - Coal and Rock Dust.

Section 25-9-110 - Accumulation of Coal Dust; Methods for Allaying Dust at Source. - (a) Coal dust shall not be allowed to accumulate excessively...

Section 25-9-111 - Rock Dusting. - (a) Rock dust to be used to render coal dust...