existing source
Defined in 2 places — 1 distinct definitions of the United States Code.
The term “existing source” means any stationary source other than a new source.
Same definition in 2 sections
- 1994–present42 U.S.C. § 7411The Public Health and Welfare · Standards of performance for new stationary sources · for purposes of this section
- 1994–present42 U.S.C. § 7412The Public Health and Welfare · Hazardous air pollutants · for purposes of this section