4 Va. Admin. Code § 25-40-250
Employees shall not use intoxicating beverages, narcotics or other substances that will impair their ability to perform their assigned task. Employees using substances, whether prescription or over-the-counter, that may impair their ability to perform their assigned task shall notify the person in charge of the mining site prior to starting their shift.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 2.16, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.