40 CFR 421.84: Standards of performance for new sources.

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

(a) Subpart H—Zinc Reduction Furnace 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 zinc reduced

Cadmium .334 .134

Copper 2.135 1.018

Lead .467 .217

Zinc 1.702 .701

Total suspended solids 25.020 20.020

pH (1) (1)

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

(b) Subpart H—Preleach of Zinc Concentrates.

NSPS

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

mg/kg (pounds per million pounds) of concentrate leached

Cadmium .180 .072

Copper 1.153 .550

Lead .252 .117

Zinc .919 .378

Total suspended solids 13.520 10.810

pH (1) (1)

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

(c) Subpart H—Leaching 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 zinc processed through leaching

Cadmium .000 .000

Copper .000 .000

Lead .000 .000

Zinc .000 .000

Total suspended solids .000 .000

pH (1) (1)

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

(d) Subpart H—Electrolyte Bleed Wastewater.

NSPS

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

mg/kg (pounds per million pounds) of cathode zinc produced

Cadmium .086 .035

Copper .553 .264

Lead .121 .056

Zinc .441 .182

Total suspended solids 6.480 5.184

pH (1) (1)

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

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

NSPS

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

mg/kg (pounds per million pounds) of cathode zinc produced

Cadmium .150 .060

Copper .961 .458

Lead .210 .098

Zinc .766 .315

Total suspended solids 11.270 9.012

pH (1) (1)

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

(f) Subpart H—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 zinc cast

Cadmium .051 .021

Copper .329 .157

Lead .072 .033

Zinc .262 .108

Total suspended solids 3.855 3.084

pH (1) (1)

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

(g) Subpart H—Casting Contact Cooling.

NSPS

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

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

Cadmium .036 .014

Copper .232 .110

Lead .051 .024

Zinc .185 .076

Total suspended solids 2.715 2.172

pH (1) (1)

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

(h) Subpart H—Cadmium Plant Wastewater.

NSPS

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

mg/kg (pounds per million pounds) of cadmium produced

Cadmium 1.234 .494

Copper 7.899 3.765

Lead 1.728 .802

Zinc 6.295 2.592

Total suspended solids 92.570 74.050

pH (1) (1)

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