40 CFR 421.84 - Standards of performance for new sources.

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§ 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.

[49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]

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