---
kind: "section"
citation: "40 C.F.R. § 445.23"
title: "40"
number: "445.23"
heading: "Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)."
url: "https://uscodex.org/cfr/40/445.23"
---

# §445.23. Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).


Except as provided in [40 CFR 125.30-125.32](/cfr/40/125.30-125.32.md), any existing point source subject to this subpart must achieve the following effluent limitations which represent the application of BAT: Limitations for ammonia (as N), a-terpineol, benzoic acid, p-cresol, phenol and zinc are the same as the corresponding limitations specified in [§ 445.21](/cfr/40/445.21.md).


## Notes

### Authority

Authority: Secs. 301, 304, 306, 307, 308, 402 and 501 of the Clean Water Act, as amended (33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342 and 1361)

### Source

Source: 65 FR 3048, Jan. 19, 2000, unless otherwise noted.