Va. Code § 10.1-1150.1
As used in this article unless the context requires a different meaning:
"Certified prescribed burn manager" means any person who has successfully completed a certification process established by the State Forester under § 10.1-1150.2.
"Prescribed burning" means the controlled application of fire or wildland fuels in either the natural or modified state, under specified environmental conditions, which allows a fire to be confined to a predetermined area and produces the fire behavior and fire characteristics necessary to attain planned fire treatment and ecological, silvicultural, and wildlife management objectives.
"Prescription" means a written statement defining the objectives to be attained by a prescribed burning and the conditions of temperature, humidity, wind direction and speed, fuel moisture, and soil moisture under which a fire will be allowed to burn. A prescription is generally expressed as an acceptable range of the prescription elements.
Va. Code § 10.1-1150.1