[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: 40CFR421.52]

[Page 479-480]
 
                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. 421.52  Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control 
          technology currently available.

    Except as provided in 40 CFR 125.30 through 125.32, any existing 
point source subject to this subpart must achieve the following effluent 
limitations representing the degree of effluent reduction attainable by 
the application of the best practicable control technology currently 
available (BPT):

                          Effluent Limitations
------------------------------------------------------------------------
                                                             Average of
                                                            Daily values
                                               Maximum for     for 30
           Effluent characteristic              any 1 day    consecutive
                                                             days shall
                                                             not exceed
------------------------------------------------------------------------
                                               (Metric units, kg/kkg of
                                                product; English units,
                                                pounds per 1,000 lb of
                                                       product)

                                             ---------------
Total suspended solids......................       0.100         0.050
Copper......................................       0.0017        0.0008
Cadmium.....................................       0.00006       0.00003
Lead........................................       0.0006        0.0026

[[Page 480]]


Zinc........................................       0.0012        0.0003
pH..........................................   (\1\)         (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0.