4 Va. Admin. Code § 25-40-1290
Welding operations shall be shielded and well-ventilated.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 8.20, eff. July 19, 1989.