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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 421.76: Pretreatment standards for new sources.

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
  4. PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY
  5. Subpart G—Primary Lead Subcategory

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 in primary lead process wastewaters introduced into a POTW shall not exceed the following values.

(a) Subpart G—Sinter Plant Materials Handling Wet Air Pollution Control.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of sinter production

Lead .000 .000

Zinc .000 .000

(b) Subpart G—Blast Furnace Wet Air Pollution Control.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced

Lead .000 .000

Zinc .000 .000

(c) Subpart G—Blast Furnace Slag Granulation.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced

Lead .000 .000

Zinc .000 .000

(d) Subpart G—Dross Reverberatory Slag Granulation.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of slag, speiss, or matte granulated

Lead .000 .000

Zinc .000 .000

(e) Subpart G—Dross Reverberatory Furnace Wet Air Pollution Control.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of dross reverberatory furnace production

Lead .000 .000

Zinc .000 .000

(f) Subpart G—Zinc Fuming Wet Air Pollution Control.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of blast furnace lead bullion produced

Lead .000 .000

Zinc .000 .000

(g) Subpart G—Hard Lead Refining Slag Granulation.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of hard lead produced

Lead .000 .000

Zinc .000 .000

(h) Subpart G—Hard Lead Refining Wet Air Pollution Control.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of hard lead produced

Lead .000 .000

Zinc .000 .000

(i) Subpart G—Facility Washdown.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of lead bullion produced

Lead .000 .000

Zinc .000 .000

(j) Subpart G—Employee Handwash.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of lead bullion produced

Lead .924 .429

Zinc 3.366 1.386

(k) Subpart G—Respirator Wash.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of lead bullion produced

Lead 1.484 .689

Zinc 5.406 2.226

(l) Subpart G—Laundering of Uniforms.

PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average

mg/kkg (pounds per billion pounds) of lead bullion produced

Lead 4.340 2.015

Zinc 15.810 6.510

Collected 2026-08-27T02:26:04Z. Source file · JSON

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