View all text of Subpart AD [§ 421.320 - § 421.327]
§ 421.324 - Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Refinery sump filtrate.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium processed in the refinery | Chromium (total) | 27.14 | 11.00 | Copper | 93.88 | 44.74 | Nickel | 40.34 | 27.14 | Fluoride | 2,567.00 | 1,459.00 | Total suspended solids | 1,100.00 | 880.10 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(b) Slag leach reslurry.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium processed in the refinery | Chromium (total) | 1.689 | 0.685 | Copper | 5.844 | 2.785 | Nickel | 2.511 | 1.689 | Fluoride | 159.800 | 90.860 | Total suspended solids | 68.490 | 54.790 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(c) Solvent extraction raffinate filtrate.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium processed in the refinery | Chromium (total) | 2.357 | 0.955 | Copper | 8.152 | 3.885 | Nickel | 3.503 | 2.357 | Fluoride | 222.900 | 126.700 | Total suspended solids | 95.540 | 76.430 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(d) Digestion wet air pollution control.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium processed in the refinery | Chromium (total) | 0.000 | 0.000 | Copper | 0.000 | 0.000 | Nickel | 0.000 | 0.000 | Fluoride | 0.000 | 0.000 | Total suspended solids | 0.000 | 0.000 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(e) Evaporation and denitration wet air pollution control
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium trioxide produced | Chromium (total) | 0.000 | 0.000 | Copper | 0.000 | 0.000 | Nickel | 0.000 | 0.000 | Fluoride | 0.000 | 0.000 | Total suspended solids | 0.000 | 0.000 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(f) Hydrofluorination alkaline scrubber.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium tetrafluoride produced | Chromium (total) | 0.007 | 0.003 | Copper | 0.026 | 0.012 | Nickel | 0.011 | 0.007 | Fluoride | 0.700 | 0.398 | Total suspended solids | 0.300 | 0.240 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(g) Hydrofluorination water scrubber.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium tetrafluoride produced | Chromium (total) | 0.000 | 0.000 | Copper | 0.000 | 0.000 | Nickel | 0.000 | 0.000 | Fluoride | 0.000 | 0.000 | Total suspended solids | 0.000 | 0.000 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(h) Magnesium reduction and casting floor wash.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium produced by magnesium reduction | Chromium (total) | 0.011 | 0.005 | Copper | 0.039 | 0.018 | Nickel | 0.017 | 0.011 | Fluoride | 1.054 | 0.599 | Total suspended solids | 0.452 | 0.361 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.
(i) Laundry wastewater.
NSPS for the Secondary Uranium Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average | mg/kg (pounds per million pounds) of uranium produced by magnesium reduction | Chromium (total) | 0.036 | 0.014 | Copper | 0.123 | 0.059 | Nickel | 0.053 | 0.036 | Fluoride | 3.360 | 1.910 | Total suspended solids | 1.440 | 1.152 | pH | ( 1) | ( 1) |
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1 Within the range of 7.5 to 10.0 at all times.