Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.83 Effluent limitations guidelines representing the degreeavailable technology

economically achievable.

Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:

(a) Subpart H--Zinc Reduction Furnace Wet Air Pollution Control.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

reduced

--------------Cadmium....................................... .334 .134Copper........................................ 2.135 1.018Lead.......................................... .467 .217Zinc.......................................... 1.702 .701------------------------------------------------------------------------

(b) Subpart H--Preleach of Zinc Concentrates.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

concentrate leached

--------------Cadmium....................................... .180 .072Copper........................................ 1.153 .550Lead.......................................... .252 .117Zinc.......................................... .919 .378------------------------------------------------------------------------

(c) Subpart H--Leaching Wet Air Pollution Control.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

processed through

leaching

--------------Cadmium....................................... .000 .000Copper........................................ .000 .000Lead.......................................... .000 .000Zinc.......................................... .000 .000------------------------------------------------------------------------

(d) Subpart H--Electrolyte Bleed Wastewater.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode zinc produced

--------------Cadmium....................................... .086 .035

Copper........................................ .553 .264Lead.......................................... .121 .056Zinc.......................................... .441 .182------------------------------------------------------------------------

(e) Subpart H--Cathode and Anode Wash Wastewater.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode zinc produced

--------------Cadmium....................................... .150 .060Copper........................................ .961 .458Lead.......................................... .210 .098Zinc.......................................... .766 .315------------------------------------------------------------------------

(f) Subpart H--Casting Wet Air Pollution Control.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

cast

--------------Cadmium....................................... .051 .021Copper........................................ .329 .157Lead.......................................... .072 .033Zinc.......................................... .262 .108------------------------------------------------------------------------

(g) Subpart H--Casting Contact Cooling.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of zinc

cast

--------------Cadmium....................................... .036 .014Copper........................................ .232 .110Lead.......................................... .051 .024Zinc.......................................... .185 .076------------------------------------------------------------------------

(h) Subpart H--Cadmium Plant Wastewater.

BAT Effluent Limitations------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cadmium produced

--------------Cadmium....................................... 1.234 .494Copper........................................ 7.899 3.765Lead.......................................... 1.728 .802Zinc.......................................... 6.295 2.592------------------------------------------------------------------------