4 Va. Admin. Code § 25-40-2760
Guards or shields shall be provided in areas where flying or falling materials present a hazard.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 14.9, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.