---
kind: "section"
citation: "30 C.F.R. § 57.22104"
title: "30"
number: "57.22104"
heading: "Open flames (I-C mines)."
url: "https://uscodex.org/cfr/30/57.22104"
---

# §57.22104. Open flames (I-C mines).

- (a) Open flames, including cutting and welding, shall not be used underground.
- (b) Welding and cutting shall not be done within 50 feet of a mine opening unless all persons are out of the mine and the mine opening is covered. The cover shall be a substantial material, such as metal or wood, topped with a layer of wetted material to prevent sparks and flames from entering the mine opening.

## Notes

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 52 FR 24941, July 1, 1987, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 811.

### Source

Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.