Open burning means the combustion of any material without the following characteristics:
(1) Control of combustion air to maintain adequate temperature for efficient combustion,
(2) Containment of the combustion-reaction in an enclosed device to provide sufficient residence time and mixing for complete combustion, and
(3) Control of emission of the gaseous combustion products.
40 CFR § 260.10
When used in parts 260 through 273 of this chapter, the following terms have the meanings given below: