U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 29, 2023

§ 432.123 - Effluent limitations attainable by the application of the best available technology economically achievable (BAT).

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart that further processes more than 7 million pounds per year (in units of finished product) must achieve the following effluent limitations representing the application of BAT:

Effluent Limitations


Maximum daily 1 Maximum monthly avg. 1
Ammonia (as N)8.04.0
Total Nitrogen147103

1 mg/L (ppm).