4VAC25-130-850.12. Effective date.
Not later than 12 months following the approval by the Secretary of this Subchapter, all blasting operations shall be conducted under the direction of a certified blaster. Before that time, all such blasting operations shall be conducted by competent, experienced persons who understand the hazards involved, and who are certified by the Division of Mines (DM).
Statutory Authority
§§ 45.1-161.3 and 45.1-230 of the Code of Virginia.
Historical Notes
Derived from VR480-03-19 § 850.12, eff. December 15, 1981; amended, eff. June 28, 1982; October 28, 1982; December 14, 1982; October 11, 1983; December 27, 1983; May 8, 1984; June 22, 1984; August 2, 1984; October 16, 1985; January 7, 1987; July 22, 1987; November 25, 1987; October 12, 1988; December 26, 1990; July 1, 1991; July 17, 1991; November 20, 1991; July 7, 1992; May 5, 1993; October 19, 1994.