§ 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.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(b) Subpart K—Solvent Extraction Raffinate.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(c) Subpart K—Solvent Extraction Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(d) Subpart K—Precipitation and Filtration.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(e) Subpart K—Precipitation and Filtration Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(f) Subpart K—Tantalum Salt Drying.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(g) Subpart K—Oxides Calcining Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(h) Subpart K—Reduction of Tantalum Salt to Metal.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(i) Subpart K—Reduction of Tantalum Salt to Metal Wet Air Pollution Control.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(j) Subpart K—Tantalum Powder Wash.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
(k) Subpart K—Consolidation and Casting Contact Cooling.
| Pollutant or pollutant property
|
Maximum for any 1 day
|
Maximum for monthly average
|
|
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 |
(
) |
(
)
|
