Electronic detonation systems shall be approved by the director as providing performance equivalent to that required in 4VAC25-40-920, and shall be used in accordance with the manufacturer's instructions.

Statutory Authority

§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 25, Issue 20, eff. July 8, 2009.