[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR421.53] [Page 476-477] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 421_NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart E_Primary Electrolytic Copper Refining Subcategory Sec. 421.53 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. Except as provided in 40 CFR 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 available technology economically achievable: (a) Subpart E--Casting Contact Cooling. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of copper cast ------------------------- Arsenic....................................... .692 .309 Copper........................................ .638 .304 [[Page 477]] Nickel........................................ .274 .184 ------------------------------------------------------------------------ (b) Subpart E--Anode and Cathode Rinse. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of cathode copper production ------------------------- Arsenic....................................... .000 .000 Copper........................................ .000 .000 Nickel........................................ .000 .000 ------------------------------------------------------------------------ (c) Subpart E--Spent Electrolyte. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of copper cathode production ------------------------- Arsenic....................................... .068 .031 Copper........................................ .063 .030 Nickel........................................ .027 .018 ------------------------------------------------------------------------ (d) Subpart E--Casting Wet Air Pollution Control. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of casting production ------------------------- Arsenic....................................... .000 .000 Copper........................................ .000 .000 Nickel........................................ .000 .000 ------------------------------------------------------------------------ (e) Subpart E--By-Product Recovery. BAT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing ------------------------- Arsenic....................................... .000 .000 Copper........................................ .000 .000 Nickel........................................ .000 .000 ------------------------------------------------------------------------ [49 FR 8801, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]