40 CFR 439.34 - Effluent limitations attainable by the application of 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 must achieve the following effluent limitations representing the application of BAT:
(a) The limitations are the same as specified in § 439.14(a).
(b) The limitations for COD are the same as specified in § 439.12(c) and (d).
(c) The limitations for cyanide are the same as specified in § 439.12(e), (f) and (g).