[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: 40CFR421.72]

[Page 484-486]
 
                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. 421.72  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 shall achieve the following 
effluent limitations representing the degree of effluent reduction 
attainable by the application of the best practicable control technology 
currently available:
    (a) Subpart G-Sinter Plant Materials Handling Wet Air 
Pollution Control.

                        BPT 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..........................................      594.000      270.000
Zinc..........................................      525.000      219.600
Total suspended solids........................   14,760.000    7,020.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

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

                                               --------------
Lead..........................................         .000         .000
Zinc..........................................         .000         .000
Total suspended solids........................         .000         .000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


[[Page 485]]

    (c) Subpart G-Blast Furnace Slag Granulation.

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

                                               --------------
Lead..........................................    6,155.000    2,798.000
Zinc..........................................    5,446.000    2,276.000
Total suspended solids........................  153,000.000   72,740.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (d) Subpart G-Dross Reverberatory Slag Granulation.

                        BPT 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..........................................    9,499.000    4,318.000
Zinc..........................................    8,405.000    3,512.000
Total suspended solids........................  236,000.000  112,300.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

                        BPT 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..........................................   15,920.000    7,235.000
Zinc..........................................   14,080.000    5,884.000
Total suspended solids........................  395,500.000  188,100.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

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

                                               --------------
Lead..........................................      702.900      319.500
Zinc..........................................      622.000      259.900
Total suspended solids........................   17,470.000    8,307.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

                        BPT 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
Total suspended solids........................         .000         .000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

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

                        BPT 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..........................................   32,730.000   14,880.000
Zinc..........................................   28,960.000   12,100.000
Total suspended solids........................  813,300.000  386,800.000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (i) Subpart G-Facility Washdown.

                        BPT 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
Total suspended solids........................         .000         .000
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (j) Subpart G-Employee Handwash.

[[Page 486]]



                        BPT 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..........................................        5.445        2.475
Zinc..........................................        4.818        2.013
Total suspended solids........................      135.300       64.350
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (k) Subpart G-Respirator Wash.

                        BPT 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..........................................        8.745        3.975
Zinc..........................................        7.738        3.233
Total suspended solids........................      217.300      103.400
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

    (l) Subpart G-Laundering of Uniforms.

                        BPT 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..........................................       25.580       11.630
Zinc..........................................       22.630        9.455
Total suspended solids........................      635.500      302.300
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.


[49 FR 8803, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 
FR 29795, July 24, 1984]