Boreholes shall be stemmed as prescribed for the explosives used.
4 Va. Admin. Code § 25-40-3478
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Boreholes shall be stemmed as prescribed for the explosives used.
4 Va. Admin. Code § 25-40-3478
Statutory Authority
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.