Collapse to view only § 421.281 - Specialized definitions.
- § 421.280 - Applicability: Description of the secondary tantalum subcategory.
- § 421.281 - Specialized definitions.
- § 421.282 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.283 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.284 - Standards of performance for new sources.
- § 421.285 - [Reserved]
- § 421.286 - Pretreatment standards for new sources.
- § 421.287 - [Reserved]
§ 421.280 - Applicability: Description of the secondary tantalum subcategory.
The provisions of this subpart are applicable to discharges resulting from the production of tantalum at secondary tantalum facilities.
§ 421.281 - Specialized definitions.
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.
§ 421.282 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
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.
BPT Limitations 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 | 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) |
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1 Within the range of 7.5 to 10.0 at all times.
(b) Capacitor leach and rinse.
BPT Limitations 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 | 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) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Tantalum sludge leach and rinse.
BPT Limitations 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 | 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) |
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1 Within the range of 7.5 to 10.0 at all times.
(d) Tantalum powder acid wash and rinse.
BPT Limitations 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 | 0.665 | 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) |
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1 Within the range of 7.5 to 10.0 at all times.
(e) Leaching wet air pollution control.
BPT Limitations 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 | 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) |
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1 Within the range of 7.5 to 10.0 at all times.
§ 421.283 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
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.
BAT Limitations 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 |
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(b) Capacitor leach and rinse.
BAT Limitations 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 |
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(c) Tantalum sludge leach and rinse.
BAT Limitations 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 |
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(d) Tantalum powder acid wash and rinse.
BAT Limitations 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 |
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(e) Leaching wet air pollution control.
BAT Limitations 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 |
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§ 421.284 - Standards of performance for new sources.
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) |
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1 Within the range of 7.5 to 10.0 at all times.
(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) |
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1 Within the range of 7.5 to 10.0 at all times.
(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) |
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1 Within the range of 7.5 to 10.0 at all times.
(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) |
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1 Within the range of 7.5 to 10.0 at all times.
(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) |
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1 Within the range of 7.5 to 10.0 at all times.
§ 421.285 - [Reserved]
§ 421.286 - Pretreatment standards for new sources.
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.
PSNS 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 |
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(b) Capacitor leach and rinse.
PSNS 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 |
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(c) Tantalum sludge leach and rinse.
PSNS 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 |
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(d) Tantalum powder acid wash and rinse.
PSNS 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 |
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(e) Leaching wet air pollution control.
PSNS 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 |
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