StacksVerified U.S. regulatory reference

30 CFR §57.22102

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Persons shall not smoke or carry smoking materials, matches, or lighters underground or within 50 feet of a mine opening. The operator shall institute a reasonable program to assure that persons entering the mine do not carry such items.
  2. (b)Smoking is prohibited in surface milling facilities except in designated, dust-free smoking areas.