In this section the following words have the meanings indicated. “Burning ban” means a complete ban on all open air burning that is declared by the Secretary or the Governor as a result of prolonged or unusual conditions conducive to the easy starting and spread of fire. “Open air burning” means a fire where any material is burned in the open or in a receptacle other than a furnace, incinerator, or other equipment connected to a stack or chimney. “Public officer” means: The authorized agents of the Department; or Any police officer who is authorized to enforce the laws of the State or of a political subdivision of the State. Subject to paragraph (2) of this subsection, a person may not start or allow open air burning in an area in which a burning ban imposed by the Secretary or the Governor is in effect. This subsection does not apply to: The supervised burning of buildings or solid, liquid, or gaseous fuels conducted under the direct control and supervision of qualified instructors at a training center operated by a fire department; or Any other supervised burning conducted under the direct control and supervision of: Qualified fire instructors; or In Wicomico County, Worcester County, or Somerset County, a fire chief, captain, or fire line officer of a fire department that has jurisdiction over the area where the supervised burning occurs. On reasonable suspicion of open air burning on privately owned property in an area in which a burning ban is in effect, a public officer may enter on the privately owned property of any person to extinguish the fire or to enforce the provisions of this section.