[Code of Federal Regulations]
[Title 40, Volume 26]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR421.54]

[Page 480-481]
 
                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

[[Page 481]]


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.

                                  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]