Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.56 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 electrolytic copper refining process wastewater introduced into a POTW shall not exceed the following values:

(a) Subpart E--Casting Contact Cooling.

PSNS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

copper cast

--------------Arsenic....................................... .692 .309Copper........................................ .638 .304Nickel........................................ .274 .184------------------------------------------------------------------------

(b) Subpart E--Anode and Cathode Rinse.

PSNS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode copper

production

--------------Arsenic....................................... .000 .000Copper........................................ .000 .000Nickel........................................ .000 .000------------------------------------------------------------------------

(c) Subpart E--Spent Electrolyte.

PSNS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

cathode copper

production

--------------Arsenic....................................... .068 .031Copper........................................ .063 .030Nickel........................................ .027 .018------------------------------------------------------------------------

(d) Subpart E--Casting Wet Air Pollution Control.

PSNS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

casting production

--------------Arsenic....................................... .000 .000Copper........................................ .000 .000Nickel........................................ .000 .000------------------------------------------------------------------------

(e) Subpart E--By-Product Recovery.

PSNS------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

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

mg/kg (pounds per

million pounds) of

product recovered from

electrolytic slimes

processing

--------------Arsenic....................................... .000 .000Copper........................................ .000 .000Nickel........................................ .000 .000------------------------------------------------------------------------ [49 FR 8801, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984] Sec. 421.57 [Reserved]