40 CFR 421.54: Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart E—Casting Contact Cooling.

NSPS

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

Total suspended solids 7.470 5.976

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Subpart E—Anode and Cathode Rinse.

NSPS

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

Total suspended solids .000 .000

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Subpart E—Spent Electrolyte.

NSPS

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

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

Arsenic .068 .031

Copper .063 .030

Nickel .027 .018

Total suspended solids .735 .588

pH (1) (1)

1 Within the range 7.5 to 10.0 at all times.

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

NSPS

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

Total suspended solids .000 .000

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Subpart E—By-Product Recovery.

NSPS

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

Total suspended solids .000 .000

pH (1) (1)

1 Within the range of 7.5 to 10.0 at all times.