[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: 40CFR420.25]

[Page 401]
 
                TITLE 40-PROTECTION OF ENVIRONMENT
 
      CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 420-IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of Contents
 
                 Subpart B-Sintering Subcategory
 
Sec. 420.25  Pretreatment standards for existing sources (PSES).

    Except as provided in 40 CFR 403.7 and 403.13, any existing source 
subject to this subpart that introduces pollutants into a publicly owned 
treatment works must comply with 40 CFR part 403 and must achieve the 
following pretreatment standards for existing sources (PSES):
    (a) Sintering operations with wet air pollution control system. The 
following table presents PSES for sintering operations with wet air 
pollution control systems:

                   Subpart B-Pretreatment Standards for Existing Sources (PSES)
----------------------------------------------------------------------------------------------------------------
           Regulated parameter                      Maximum daily1                   Maximum monthly avg.1
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Ammonia-N2,3............................  0.0150                              0.00501
Cyanide2................................  0.00300                             0.00150
Phenols (4AAP)2.........................  0.000100                            0.0000501
Lead....................................  0.000451                            0.000150
Zinc....................................  0.000676                            0.000225
2,3,7,8-TCDF............................  <;ML                              ..................................
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1 Pounds per thousand lb of product.
2 The pretreatment standards for these parameters apply only when sintering wastewater is co-treated with
  ironmaking wastewater.
3 The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with
  nitrification capability (defined at Sec. 420.02(s)).

    (b) Sintering operations with dry air pollution control system. 
There shall be no discharge of process wastewater pollutants to POTWs.

[67 FR 64265, Oct. 17, 2002]