Pretreatment standards for existing sources (PSES).

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Iron and Steel Manufacturing Point Source Category
  7. Sintering Subcategory
  8. Pretreatment standards for existing sources (PSES).

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§ 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
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

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 § 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]


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