[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: 40CFR420.43]



[Page 403-404]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 420_IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of 

Contents

 

                    Subpart D_Steelmaking Subcategory

 

Sec.  420.43  Effluent limitations representing the degree of effluent 

reduction attainable by the application of the best available technology 

economically achievable (BAT).



    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 available technology economically 

achievable.

    (a) Electric arc furnace steelmaking--semi-wet. No discharge of 

process wastewater pollutants to navigable waters.

    (b) Basic oxygen furnace steelmaking--wet-suppressed combustion.



                                Subpart D

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

                                                       BAT effluent

                                                       limitations

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

                                                             Average of

        Pollutant or pollutant property           Maximum   daily values

                                                 for any 1     for 30

                                                    day      consecutive

                                                                days

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

                                                    Kg/kkg (pounds per

                                                   1,000 lb) of product

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

Lead...........................................   0.000188     0.0000626

Zinc...........................................   0.000282     0.0000939

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





[[Page 404]]



    (c) Basic oxygen furnace steelmaking--wet open combustion; and 

electric arc furnace steelmaking--wet.



                                Subpart D

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

                                                       BAT effluent

                                                        limitations

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

                                                              Average of

         Pollutant or pollutant property                        daily

                                                   Maximum    values for

                                                  for any 1       30

                                                     day     consecutive

                                                                 days

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

                                                    Kg/kkg (pounds per

                                                   1,000 lb) of product

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

Lead............................................   0.000413    0.000138

Zinc............................................   0.000620    0.000207

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



    (d) Basic oxygen furnace steelmaking--semi-wet.

    (1) No discharge of process wastewater pollutants to navigable 

waters.

    (2) If the permittee demonstrates to the satisfaction of the 

permitting authority that safety considerations prevent attainment of 

these limitations, the permitting authority may establish alternative 

limitations on a best professional judgment basis.



[47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]