StacksVerified U.S. regulatory reference

30 CFR §57.15030

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
A 1-hour self-rescue device approved by MSHA and NIOSH under 42 CFR part 84 shall be made available by the operator to all personnel underground. Each operator shall maintain self-rescue devices in good condition.