Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.75 Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works mut comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in primary lead process wastewater introduced into a POTW shall not exceed the following values:

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

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of

sinter production

--------------Lead.......................................... 100.800 46.800Zinc.......................................... 367.200 151.200------------------------------------------------------------------------

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

PSES------------------------------------------------------------------------

Maximum for

Pollutant or polluntant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pound per

billion pounds) of blast

furnance lead bullion

produced

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

(c) Subpart G--Blast Furnace Slag Granulation.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pound per

billion pounds) of blast

furance lead bullion

produced

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

(d) Subpart G--Dross Reverberatory Slag Granulation.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of slag,

speiss, or matte

granulated

--------------

Lead.......................................... 1,612.000 748.400Zinc.......................................... 5,872.000 2,418.000------------------------------------------------------------------------

(e) Subpart G--Dross Reverberatory Furnance Wet Air Pollution Control.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of dross

reverberatory furnace

production

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

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

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of blast

furnace lead bullion

produced

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

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

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of hard

lead produced

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

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

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of hard

lead produced

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

(i) Subpart G--Facility Washdown.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of lead

bullion produced.

--------------

Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

(j) Subpart G--Employee Handwash.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of lead

bullion produced

--------------

Lead.......................................... .924 .429Zinc.......................................... 3.366 1.386------------------------------------------------------------------------

(k) Subpart G--Respirator Wash.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of lead

bullion produced

--------------

Lead.......................................... 1.484 .689Zinc.......................................... 5.406 2.226------------------------------------------------------------------------

(l) Subpart G--Laundering of Uniforms.

PSES------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kkg (pounds per

billion pounds) of lead

bullion produced

--------------

Lead.......................................... 4.340 2.015Zinc.......................................... 15.810 6.510------------------------------------------------------------------------