[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: 40CFR437.33] [Page 369] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 437_THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY --Table of Contents Subpart C_Organics Treatment and Recovery Sec. 437.33 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 or Sec. 437.30(b), any existing point source subject to this subpart must achieve limitations representing the application of BAT: Limitations for copper, zinc, acetone, acetophenone, 2-butanone, o-cresol, p-cresol, phenol, pyridine, and 2,4,6-trichlorophenol are the same as the corresponding limitation specified in Sec. 437.31. [65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71023, Dec. 22, 2003]