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Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 110. Regulations Governing Blasting in Surface Mining Operations
12/30/2024

4VAC25-110-10. Definitions.

The following words and terms when used in this chapter shall have the following meanings, unless the context clearly indicates otherwise:

"Actual distance" means the distance in feet from the blast location to the nearest dwelling house, public building, school, church, or commercial or institutional building neither owned nor leased by the person conducting the blast.

"DMLR" means the Division of Mined Land Repurposing of the Department of Energy.

"Fly rock" means uncontrolled material generated by the blast traveling along the ground and shall not be cast from the blasting vicinity more than half the distance to the nearest dwelling or other occupied structure and in no case beyond the Division of Mined Land Repurposing (DMLR) permit boundary.

"Inhabited building" means a building regularly occupied in whole or in part as a habitation for human beings, or any church, schoolhouse, railroad station, store, or other structure where people are accustomed to assemble, except any building or structure occupied in connection with the manufacture, transportation, storage or use of explosives.

"Mudcapping," also known as bulldozing, adobe blasting or dobying, means a method of blasting by placing a quantity of explosives in contact with a rock, boulder, or other object without confining the explosives in a drill hole.

"Person" means and includes individuals, firms, partnerships, associations, corporations, receivers, or any officer of the Commonwealth, or any agent or officer of the above-mentioned classes employing any person in this Commonwealth.

"Stemming" means that inert material placed in a borehole after the explosive charge for the purpose of confining the explosion gases in the borehole or that inert material used to separate the explosive charges (decks) in decked holes.

Statutory Authority

§ 45.2-103 of the Code of Virginia.

Historical Notes

Derived from VR480-05-97, Part I, eff. December 11, 1985; amended, Virginia Register Volume 15, Issue 22, eff. August 18, 1999; Volume 38, Issue 13, eff. March 31, 2022.

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