[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: 40CFR421.73]

[Page 486-487]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 421-NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
                Subpart G-Primary Lead Subcategory
 
Sec. 421.73  Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology 
          economically achievable.

    Except as provided in 40 CFR 125.30 through 125.32, any existing 
point source subject to this subpart shall achieve the following 
effluent limitations representing the degree of effluent reduction 
attainable by the application of the best available technology 
economically achievable:
    (a) Subpart G-Sinter Plant Materials Handling Wet Air 
Pollution Control.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                   billion pounds) of
                                                    sinter production

                                               --------------
Lead..........................................      100.800       46.800
Zinc..........................................      367.200      151.200
------------------------------------------------------------------------

    (b) Subpart G-Blast Furnace Wet Air Pollution 
Control.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                billion pounds) of blast
                                                  furnace lead bullion
                                                        produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (c) Subpart G-Blast Furnace Slag Granulation.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                billion pounds) of blast
                                                  furnace lead bullion
                                                        produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (d) Subpart G-Dross Reverberatory Slag Granulation.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                billion pounds) of slag,
                                                    speiss, or matte
                                                       granulated

                                               --------------
Lead..........................................    1,612.000      748.400
Zinc..........................................    5,872.000    2,418.000
------------------------------------------------------------------------

    (e) Subpart G-Dross Reverberatory Furnace Wet Air 
Pollution Control.

[[Page 487]]



                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                billion pounds) of dross
                                                  reverberatory furnace
                                                       production

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (f) Subpart G-Zinc Fuming Wet Air Pollution Control.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                billion pounds) of blast
                                                  furnance lead bullion
                                                        produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (g) Subpart G-Hard Lead Refining Slag Granulation.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of hard
                                                      lead produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (h) Subpart G-Hard Lead Refining Wet Air Pollution 
Control.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of hard
                                                      lead produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (i) Subpart G-Facility Washdown.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of lead
                                                    bullion produced

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
------------------------------------------------------------------------

    (j) Subpart G-Employee Handwash.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of lead
                                                    bullion produced

                                               --------------
Lead..........................................         .924         .429
Zinc..........................................        3.366        1.386
------------------------------------------------------------------------

    (k) Subpart G-Respirator Wash.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of lead
                                                    bullion produced

                                               --------------
Lead..........................................        1.484         .689
Zinc..........................................        5.406        2.226
------------------------------------------------------------------------

    (l) Subpart G-Laundering of Uniforms.

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                             Maximum for
        Pollutant or pollutant property         Maximum for    monthly
                                                 any 1 day     average
------------------------------------------------------------------------
                                                   mg/kkg (pounds per
                                                 billion pounds) of lead
                                                     bullion produce

                                               --------------
Lead..........................................        4.340        2.015
Zinc..........................................       15.810        6.510
------------------------------------------------------------------------