40 CFR 421.114 - Standards of performance for new sources.

§ 421.114 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart K—Concentrate Digestion 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 concentrate digested
Lead .174 .081
Zinc .635 .261
Ammonia (as N) 82.910 36.450
Fluoride 21.770 12.440
Total suspended solids 9.330 7.464
pH (1) (1)
(b) Subpart K—Solvent Extraction Raffinate.
NSPS
Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
AA 1 Within the range of 7.5 to 10.0 at all times.
mg/kg (pounds per million pounds) of concentrate digested
Lead 2.592 1.203
Zinc 9.442 3.888
Ammonia (as N) 1,233.000 542.5000
Fluoride 324.000 185.100
Total Suspended Solids 138.900 111.100
pH (1) (1)
(c) Subpart K—Solvent Extraction 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 concentrate digested
Lead .069 .032
Zinc .251 .103
Ammonia (as N) 32.790 14.420
Fluoride 8.610 4.920
Total suspended solids 3.690 2.952
pH (1) (1)
(d) Subpart K—Precipitation and Filtration.
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 digested
Lead 3.833 1.780
Zinc 13.960 5.750
Ammonia (as N) 1,825.000 802.200
Fluoride 479.100 273.800
Total suspended solids 205.400 164.300
pH (1) (1)
(e) Subpart K—Precipitation and Filtration 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 concentrate digested
Lead 1.778 .826
Zinc 6.478 2.668
Ammonia (as N) 846.600 372.200
Fluoride 222.300 127.000
Total suspended solids 95.270 76.210
pH (1) (1)
(f) Subpart K—Tantalum Salt Drying.
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 tantalum salt dried
Lead 16.950 7.871
Zinc 61.750 25.430
Ammonia (as N) 8,070.000 3,548.000
Fluoride 2,119.000 1,211.000
Total suspended solids 908.200 726.500
pH (1) (1)
(g) Subpart K—Oxides Calcining 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 columbium-tantalum oxide dried
Lead 1.076 .500
Zinc 3.919 1.614
Ammonia (as N) 512.200 225.200
Fluoride 134.500 76.840
Total suspended solids 57.630 46.110
pH (1) (1)
(h) Subpart K—Reduction of Tantalum Salt to Metal.
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 tantalum salt reduced
Lead 46.500 21.590
Zinc 169.400 69.750
Ammonia (as N) 22,140.000 9,732.000
Fluoride 5,813.000 3,322.000
Total suspended solids 2,491.000 1,993.000
pH (1) (1)
(i) Subpart K—Reduction of Tantalum Salt to Metal 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 tantalum salt reduced
Lead .572 .266
Zinc 2.084 .858
Ammonia (as N) 272.400 119.700
Fluoride 71.510 40.860
Total suspended solids 30.650 24.520
pH (1) (1)
(j) Subpart K—Tantalum Powder Wash.
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 tantalum powder washed
Lead 5.721 2.656
Zinc 20.840 8.582
Ammonia (as N) 2,724.000 1,198.000
Fluoride 715.200 408.700
Total suspended solids 306.500 245.200
pH (1) (1)
(k) Subpart K—Consolidation and 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 columbium or tantalum cast or consolidated
Lead .000 .000
Zinc .000 .000
Ammonia (as N) .000 .000
Fluoride .000 .000
Total suspended solids .000 .000
pH (1) (1)
[49 FR 8817, Mar. 8, 1984, as amended at 49 FR 29795, July 24, 1984; 50 FR 12253, Mar. 28, 1985]

Title 40 published on 2013-07-01

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