40 CFR 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

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

mg/kg (pounds per million pounds) of copper cast

Arsenic .692 .309

Copper .638 .304

Nickel .274 .184

(b) Subpart E—Anode and Cathode Rinse.

PSNS

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

mg/kg (pounds per million pounds) of cathode copper production

Arsenic .000 .000

Copper .000 .000

Nickel .000 .000

(c) Subpart E—Spent Electrolyte.

PSNS

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

mg/kg (pounds per million pounds) of cathode copper production

Arsenic .068 .031

Copper .063 .030

Nickel .027 .018

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

PSNS

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

mg/kg (pounds per million pounds) of casting production

Arsenic .000 .000

Copper .000 .000

Nickel .000 .000

(e) Subpart E—By-Product Recovery.

PSNS

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

mg/kg (pounds per million pounds) of product recovered from electrolytic slimes processing

Arsenic .000 .000

Copper .000 .000

Nickel .000 .000