[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: 40CFR421.54] [Page 477-478] 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. 421.54 Standards of performance for new sources. Any new source subject to this subpart shall achieve the following new source performance standards: (a) Subpart E--Casting Contact Cooling. NSPS ------------------------------------------------------------------------ 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 Total suspended solids........................ 7.470 5.976 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (b) Subpart E--Anode and Cathode Rinse. NSPS ------------------------------------------------------------------------ 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 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Subpart E--Spent Electrolyte. [[Page 478]] NSPS ------------------------------------------------------------------------ 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 Total suspended solids........................ .735 .588 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 7.5 to 10.0 at all times. (d) Subpart E--Casting Wet Air Pollution Control. NSPS ------------------------------------------------------------------------ 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 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (e) Subpart E--By-Product Recovery. NSPS ------------------------------------------------------------------------ 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 Total suspended solids........................ .000 .000 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984]