Except as provided in Secs. 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): No pollutants may be discharged which exceed 1.27 cm (0.5 inch) in any dimension. [60 FR 33942, June 29, 1995] Sec. 408.103 [Reserved]