![]() |
Code of Federal Regulations (Last Updated: July 5, 2024) |
![]() |
Title 40 - Protection of Environment |
![]() |
Chapter I - Environmental Protection Agency |
![]() |
SubChapter N - Effluent Guidelines and Standards |
![]() |
Part 421 - Nonferrous Metals Manufacturing Point Source Category |
![]() |
Subpart G - Primary Lead Subcategory |
§ 421.76 - Pretreatment standards for new sources.
-
§ 421.76 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 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