30 CFR § 57.20031 - Blasting underground in hazardous areas.
---
identifier: "/us/cfr/t30/s57.20031"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 57.20031 - Blasting underground in hazardous areas."
title_number: 30
title_name: "Mineral Resources"
section_number: "57.20031"
section_name: "Blasting underground in hazardous areas."
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: "2026-03-24"
last_updated: "2026-03-24"
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"
---
# 57.20031 Blasting underground in hazardous areas.
In underground areas where dangerous accumulations of water, gas, mud, or fire atmosphere could be encountered, persons shall be removed to safe places before blasting.