30 C.F.R. § 57.8527 Oxygen-deficiency testing.
Title 30 - Mineral Resources
Flame safety lamps or other suitable devices shall be used to test for acute oxygen deficiency.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart G—Ventilation
Underground Only
§ 57.8527 Oxygen-deficiency testing.
