[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: 40CFR421.56] [Page 478-479] 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. 421.56 Pretreatment standards for new sources. Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in primary electrolytic copper refining process wastewater introduced into a POTW shall not exceed the following values: (a) Subpart E--Casting Contact Cooling. PSNS ------------------------------------------------------------------------ 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 Nickel........................................ .274 .184 ------------------------------------------------------------------------ (b) Subpart E--Anode and Cathode Rinse. PSNS ------------------------------------------------------------------------ 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. PSNS ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/kg (pounds per million pounds) of cathode copper production ------------------------- Arsenic....................................... .068 .031 Copper........................................ .063 .030 Nickel........................................ .027 .018 ------------------------------------------------------------------------ (d) Subpart E--Casting Wet Air Pollution Control. PSNS ------------------------------------------------------------------------ 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. [[Page 479]] PSNS ------------------------------------------------------------------------ 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, as amended at 49 FR 29795, July 24, 1984]