40 CFR 421.84 - Standards of performance for new sources.

§ 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
1 Within the range of 7.5 to 10.0 at all times.
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)
(b) Subpart H—Preleach of Zinc Concentrates.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(c) Subpart H—Leaching Wet Air Pollution Control.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(d) Subpart H—Electrolyte Bleed Wastewater.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(e) Subpart H—Cathode and Anode Wash Wastewater.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(f) Subpart H—Casting Wet Air Pollution Control.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(g) Subpart H—Casting Contact Cooling.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
(h) Subpart H—Cadmium Plant Wastewater.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
1 Within the range of 7.5 to 10.0 at all times.
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)
[49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]

Title 40 published on 2013-07-01

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