Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tantalum alloy leach and rinse.
NSPS for the Secondary Tantalum Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tantalum powder produced
|
| Copper | 295.200 | 140.700
|
| Lead | 64.570 | 29.980
|
| Nickel | 126.800 | 85.320
|
| Zinc | 235.200 | 96.850
|
| Tantalum | 103.800 | |
| Total suspended solids | 3,459.000 | 2,767.000
|
| pH | (
1) | (
1)
|
(b) Capacitor leach and rinse.
NSPS for the Secondary Tantalum Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tantalum powder produced from leaching
|
| Copper | 25.860 | 12.320
|
| Lead | 5.656 | 2.626
|
| Nickel | 11.110 | 7.474
|
| Zinc | 20.600 | 8.484
|
| Tantalum | 9.090 | |
| Total suspended solids | 303.000 | 242.400
|
| pH | (
1) | (
1)
|
(c) Tantalum sludge leach and rinse.
NSPS for the Secondary Tantalum Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced
|
| Copper | 262.800 | 125.200
|
| Lead | 57.480 | 26.690
|
| Nickel | 112.900 | 75.960
|
| Zinc | 209.400 | 86.230
|
| Tantalum | 92.390 | |
| Total suspended solids | 3,080.000 | 2,464.000
|
| pH | (
1) | (
1)
|
(d) Tantalum powder acid wash and rinse.
NSPS for the Secondary Tantalum Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of tantalum powder produced
|
| Copper | 0.448 | 0.214
|
| Lead | 0.098 | 0.046
|
| Nickel | 0.193 | 0.130
|
| Zinc | 0.357 | 0.147
|
| Tantalum | 0.158 | |
| Total suspended solids | 5.250 | 4.200
|
| pH | (
1) | (
1)
|
(e) Leaching wet air pollution control.
NSPS for the Secondary Tantalum Subcategory
| Pollutant or pollutant property
| Maximum for any 1 day
| Maximum for monthly average
|
|---|
| mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced
|
| Copper | 6.246 | 2.977
|
| Lead | 1.366 | 0.634
|
| Nickel | 2.684 | 1.806
|
| Zinc | 4.978 | 2.050
|
| Tantalum | 2.196 | |
| Total suspended solids | 73.200 | 58.560
|
| pH | (
1) | (
1)
|
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) and the Water Quality Act of 1987 (the “Act”);
33 U.S.C. 1311,
1314,
c,
e,
and, 1316 (b) and
c, 1317 (b) and
c,
1318; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4
source: 49 FR 8790, Mar. 8, 1984, unless otherwise noted.
cite as: 40 CFR 421.284