40 C.F.R. § 451.23
Effluent limitations attainable by the application of the best conventional technology (BCT).
Cite as 40 C.F.R. § 451.23 (2026)
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the application of BCT: The limitations are the same as the limitations specified in § 451.21.
- Cross-references to the CFR
- 40:125.30451.21.