30 C.F.R. § 57.11052 Refuge areas.
Title 30 - Mineral Resources
Refuge areas shall be— (a) Of fire-resistant construction, preferably in untimbered areas of the mine; (b) Large enough to accommodate readily the normal number of persons in the particular area of the mine; (c) Constructed so they can be made gastight; and (d) Provided with compressed air lines, waterlines, suitable handtools, and stopping materials.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart J—Travelways and Escapeways
Escapeways—Underground Only
§ 57.11052 Refuge areas.
