40 CFR 420.25 - Pretreatment standards for existing sources (PSES).

§ 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 daily 1 Maximum monthly avg. 1
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)).
Ammonia-N 2,3 0.0150 0.00501
Cyanide 2 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
(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]

Title 40 published on 2013-07-01

no entries appear in the Federal Register after this date.

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