Section 439.42 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT)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 BPT:
(a) The limitation for BOD5 is the same as specified in § 439.12(a) . No facility shall be required to attain a monthly average limitation for BOD5 that is less than the equivalent of 45 mg/L.(b) The limitation for TSS is the same as specified in § 439.12(b) .(c) The limitations for COD are the same as specified in § 439.22(c) and (d) .63 FR 50435, Sept. 21, 1998, as amended at 68 FR 12274 , Mar. 13, 2003