30 C.F.R. § 75.404 Exemption of anthracite mines.
Title 30 - Mineral Resources
[Statutory Provision] Sections 75.401, 75.402, and 75.403 shall not apply to underground anthracite mines.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart E—Combustible Materials and Rock Dusting
§ 75.404 Exemption of anthracite mines.

