Ariz. Admin. Code § 11-1-1814
Current through Register Vol. 30, No. 50, December 13, 2024
When ventilation is not restored in a reasonable time, and in no event more than 15 minutes, all men shall be removed from the areas affected and after ventilation has been restored, the areas affected shall be examined by qualified persons for gas and other hazards and made safe before power is restored and before men other than the examiners and other authorized persons return to the areas affected. The word "safe" as used in this rule means that the flammable gas concentration is not more than 1% and other hazards are no more hazardous than those experienced in routine normal mining operations.
Ariz. Admin. Code § R11-1-1814