30 C.F.R. § 77.1913 Fire-resistant wood.
Title 30 - Mineral Resources
Except for crossties, timbers, and other wood products which are permanently installed in slopes and shafts, shall be fire resistant.
Title 30: Mineral Resources
PART 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
Subpart T—Slope and Shaft Sinking
§ 77.1913 Fire-resistant wood.
