Ariz. Admin. Code § 11-1-1806
Current through Register Vol. 31, No. 1, January 3, 2025
Welding or cutting with arc or flame underground in other than fresh air or in places where flammable gases are present or may enter the air current shall be under the direct supervision of a qualified person who shall test for flammable gases before and frequently during such operations.
Ariz. Admin. Code § R11-1-1806