§ 421.36 — Pretreatment Standards For New Sources

Except as provided in 40 CFR 403.7, any new 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 new sources. The mass of wastewater pollutants introduced in secondary aluminum process wastewater into a POTW shall not exceed the following values:

(a) Subpart C—Scrap Drying Wet Air Pollution Control.

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(b) Subpart C—Scrap Screening and Milling.

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(c) Subpart C—Dross Washing.

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(d) Subpart C—Demagging Wet Air Pollution Control.

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(e) Subpart C—Delacquering Wet Air Pollution Control

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(f) Subpart C—Direct Chill Casting Contact Cooling.

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(g) Subpart C—Ingot Conveyor Casting Control Cooling (When Chlorine Demagging Wet Air Pollution Control is Not Practiced On-Site).

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(h) Subpart C—Ingot Conveyor Casting Contact Cooling (When Chlorine Demagging Wet Air Pollution Control Is Practiced on Site).

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(i) Subpart C—Stationary Casting Contact Cooling.

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(j) Subpart C—Shot Casting Contact Cooling.

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