Ariz. Admin. Code § 11-1-1815
Current through Register Vol. 31, No. 2, January 10, 2025
When the main fan or fans have been shut down with all men out of the mine, no person, other than those qualified to examine the mine, or other authorized persons, shall go underground until the fans have been started and the mine examined for gas and other hazards and declared safe.
Ariz. Admin. Code § R11-1-1815