View all text of Subjgrp 191 [§ 57.15030 - § 57.15031]
§ 57.15030 - Provision and maintenance of self-rescue devices.
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.