### Question
How is the term best available control technology defined?


### Answer
The term **best available control technology** is defined in *42 U.S.C. § 7479* as the following:

> an emission limitation based on the maximum degree of reduction of each pollutant subject to regulation under this chapter emitted from or which results from any major emitting facility, which the permitting authority, on a case-by-case basis, taking into account energy, environmental, and economic impacts and other costs, determines is achievable for such facility through application of production processes and available methods, systems, and techniques, including fuel cleaning, clean fuels, or treatment or innovative fuel combustion techniques for control of each such pollutant

#### Citation:
  - *42 U.S.C. § 7479*
  - Heading: **SUBCHAPTER I-PROGRAMS AND ACTIVITIES > Subchapter Referred to in Other Sections > Part C-Prevention of Significant Deterioration of Air Quality > &sect;7470**

