[Code of Federal Regulations] [Title 40, Volume 29] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR451.12] [Page 463] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 451_CONCENTRATED AQUATIC ANIMAL PRODUCTION POINT SOURCE CATEGORY--Table of Contents Subpart A_Flow-Through and Recirculating Systems Subcategory Sec. 451.12 Effluent limitations attainable by the application of the 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 meet the following requirements representing the application of BAT: The limitations are the same as the corresponding limitations specified in Sec. 451.11.