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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 421 - Nonferrous Metals Manufacturing Point Source Category |
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Subpart AD - Secondary Uranium Subcategory |
§ 421.324 - Standards of performance for new sources.
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§ 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) (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) (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) (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) (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) (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) (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) (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) (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)