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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 (b), (c), (e), and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4.
49 FR 8790, Mar. 8, 1984, unless otherwise noted.
50 FR 38374, Sept. 20, 1985, unless otherwise noted.
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50 FR 38374, Sept. 20, 1985, unless otherwise noted.
The provisions of this subpart are applicable to discharges resulting from the production of tantalum at secondary tantalum facilities.
For the purpose of this subpart the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable technology currently available:
(a) Tantalum alloy leach and rinse.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of tantalum powder produced | ||
| Copper | 438.100 | 230.600 |
| Lead | 96.850 | 46.120 |
| Nickel | 442.800 | 292.900 |
| Zinc | 336.700 | 140.700 |
| Tantalum | 103.800 | |
| Total suspended solids | 9,455.000 | 4,497.000 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(b) Capacitor leach and rinse.
| 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 | 38.380 | 20.200 |
| Lead | 8.484 | 4.040 |
| Nickel | 38.780 | 25.650 |
| Zinc | 29.490 | 12.320 |
| Tantalum | 9.090 | |
| Total suspended solids | 828.200 | 393.900 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(c) Tantalum sludge leach and rinse.
| 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 | 390.100 | 205.300 |
| Lead | 86.230 | 41.060 |
| Nickel | 394.200 | 260.700 |
| Zinc | 299.700 | 125.200 |
| Tantalum | 92.390 | |
| Total suspended solids | 8,417.000 | 4,003.000 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(d) Tantalum powder acid wash and rinse.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pounds per million pounds) of tantalum powder produced | ||
| Copper | 0.665 | 0.350 |
| Lead | 0.147 | 0.070 |
| Nickel | 0.672 | 0.445 |
| Zinc | 0.511 | 0.214 |
| Tantalum | 0.158 | |
| Total suspended solids | 14.350 | 6.825 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(e) Leaching wet air pollution control.
| 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 | 9.272 | 4.880 |
| Lead | 2.050 | 0.976 |
| Nickel | 9.370 | 6.198 |
| Zinc | 7.125 | 2.977 |
| Tantalum | 2.196 | |
| Total suspended solids | 200.100 | 95.160 |
| pH | (1) | (1) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(a) Tantalum alloy leach and rinse.
| 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 | |
(b) Capacitor leach and rinse.
| 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 | |
(c) Tantalum sludge leach and rinse.
| 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 | |
(d) Tantalum powder acid wash and rinse.
| 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 | |
(e) Leaching wet air pollution control.
| 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 | |
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tantalum alloy leach and rinse.
| 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) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(b) Capacitor leach and rinse.
| 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) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(c) Tantalum sludge leach and rinse.
| 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) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(d) Tantalum powder acid wash and rinse.
| 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) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
(e) Leaching wet air pollution control.
| 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) |
| 1 Within the range of 7.5 to 10.0 at all times. | ||
Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in secondary tantalum process wastewater introduced into a POTW shall not exceed the following values:
(a) Tantalum alloy leach and rinse.
| 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 | |
(b) Capacitor leach and rinse.
| 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 | |
(c) Tantalum sludge leach and rinse.
| 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 | |
(d) Tantalum powder acid wash and rinse.
| 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 | |
(e) Leaching wet air pollution control.
| 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 | |