[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: 40CFR421.52]



[Page 476]

 

                   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

Zinc........................................       0.0012        0.0003

pH..........................................   (\1\)         (\1\)

------------------------------------------------------------------------

\1\ Within the range of 6.0 to 9.0.