30 CFR § 57.22315 - Self-contained breathing apparatus (V-A mines).

---
identifier: "/us/cfr/t30/s57.22315"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 57.22315 - Self-contained breathing apparatus (V-A mines)."
title_number: 30
title_name: "Mineral Resources"
section_number: "57.22315"
section_name: "Self-contained breathing apparatus (V-A mines)."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "K"
subchapter_name: "METAL AND NONMETAL MINE SAFETY AND HEALTH"
part_number: "57"
part_name: "SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811."
regulatory_source: "50 FR 4082, Jan. 29, 1985, unless otherwise noted."
cfr_part: "57"
---


# 57.22315 Self-contained breathing apparatus (V-A mines).

Self-contained breathing apparatus of a duration to allow for escape from the mine and sufficient in number to equip all persons underground shall be strategically located throughout the mine. Such apparatus shall be approved by MSHA and NIOSH under 42 CFR part 84 and shall be maintained in accordance with manufacturers' specifications. This standard does not apply to double entry mining systems where crosscut intervals do not exceed 250 feet.

[52 FR 24941, July 1, 1987, as amended at 60 FR 30401, June 8, 1995]