4 Va. Admin. Code § 25-40-860
When conducting surface blasting activities within 300 feet of private pipelines or electrical transmission lines, advance notice of blasting shall be given to the owners of the pipeline or transmission lines by the certified blaster.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 6.9, eff. July 19, 1989.