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Code of Federal Regulations Title 40. Protection of Environment § 40.420.25 Pretreatment standards for existing sources (PSES)

Current as of January 02, 2025 | Updated by Findlaw Staff

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

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

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.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.420.25 Pretreatment standards for existing sources (PSES) - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-420-25/

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