[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: 40CFR420.45]

[Page 407]
 
                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. 420.45  Pretreatment standards for existing sources (PSES).

    Except as provided in 40 CFR 403.7 and 403.13, any existing source 
subject to this subpart which introduces pollutants into a publicly 
owned treatment works must comply with 40 CFR part 403 and achieve the 
following pretreatment standards for existing sources.
    (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
------------------------------------------------------------------------
                                                  Pretreatment standards
                                                   for existing sources
                                                ------------------------
                                                             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
------------------------------------------------------------------------

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

                                Subpart D
------------------------------------------------------------------------
                                                  Pretreatment standards
                                                   for existing sources
                                                 -----------------------
                                                              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 
pretreatment control authority that safety considerations prevent 
attainment of these limitations, the pretreatment control 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]