40 CFR 421.323 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 421.323 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) Refinery sump filtrate.
BAT Limitations 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
(b) Slag leach reslurry.
BAT Limitations 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
(c) Solvent extraction raffinate filtrate.
BAT Limitations 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
(d) Digestion wet air pollution control.
BAT Limitations 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
(e) Evaporation and denitration wet air pollution control.
BAT Limitations 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
(f) Hydrofluorination alkaline scrubber.
BAT Limitations 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
(g) Hydrofluorination water scrubber.
BAT Limitations 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
(h) Magnesium reduction and casting floor wash.
BAT Limitations 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
(i) Laundry wastewater.
BAT Limitations 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

Title 40 published on 2014-07-01

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