Virginia Administrative Code
Title 4 - CONSERVATION AND NATURAL RESOURCES
Agency 25 - DEPARTMENT OF ENERGY
Chapter 40 - SAFETY AND HEALTH REGULATIONS FOR MINERAL MINING
Part VII - Drilling-Surface and Underground
Section 4VAC25-40-1095 - Drill logs required for boreholes intended for blasting

For each borehole intended for blasting, the driller shall produce a drill log as each hole is being drilled. The drill log shall include, at minimum, the name of the driller, borehole diameter, borehole depth, depth of broken material at the collar, and other geological conditions (for example, cracks, seams, voids, mud, or any other anomalies that could affect the blast) encountered during drilling. A signed copy of the drill log shall be provided to the mine operator and a copy shall be included in the record of the blast.

Statutory Authority

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