4 Va. Admin. Code § 25-40-1550
Heavy duty mobile equipment with cabs being operated in extreme weather conditions shall use control measures to limit exposure of the equipment operator to extreme heat and cold.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 9.26, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.