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 uranium process wastewater introduced into a POTW shall not exceed the following values:
(a) Refinery sump filtrate.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium processed in the
refinery
--------------Chromium (total).............................. 27.14 11.00Copper........................................ 93.88 44.74Nickel........................................ 40.34 27.14Fluoride...................................... 2,567.00 1,459.00------------------------------------------------------------------------
(b) Slag leach reslurry.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium processed in the
refinery
--------------Chromium (total).............................. 1.689 0.685Copper........................................ 5.844 2.785Nickel........................................ 2.511 1.689Fluoride...................................... 159.800 90.860------------------------------------------------------------------------
(c) Solvent extraction raffinate filtrate.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium processed in the
refinery
--------------Chromium (total).............................. 2.357 0.955Copper........................................ 8.152 3.885Nickel........................................ 3.503 2.357Fluoride...................................... 222.900 126.700------------------------------------------------------------------------
(d) Digestion wet air pollution control.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium processed in the
refinery
--------------Chromium (total).............................. 0.000 0.000Copper........................................ 0.000 0.000Nickel........................................ 0.000 0.000Fluoride...................................... 0.000 0.000------------------------------------------------------------------------
(e) Evaporation and denitration wet air pollution control.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium trioxide
produced
--------------Chromium (total).............................. 0.000 0.000Copper........................................ 0.000 0.000Nickel........................................ 0.000 0.000Fluoride...................................... 0.000 0.000------------------------------------------------------------------------
(f) Hydrofluorination alkaline scrubber.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium tetrafluoride
produced
--------------Chromium (total).............................. 0.007 0.003Copper........................................ 0.026 0.012Nickel........................................ 0.011 0.007Fluoride...................................... 0.700 0.398------------------------------------------------------------------------
(g) Hydrofluorination water scrubber.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium tetrafluoride
produced
--------------Chromium (total).............................. 0.000 0.000Copper........................................ 0.000 0.000Nickel........................................ 0.000 0.000Fluoride...................................... 0.000 0.000------------------------------------------------------------------------
(h) Magnesium reduction and casting floor wash.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium trioxide
produced
--------------Chromium (total).............................. 0.011 0.005Copper........................................ 0.039 0.018Nickel........................................ 0.017 0.011Fluoride...................................... 1.054 0.599------------------------------------------------------------------------
(i) Laundry wastewater.
PSNS for the Secondary Uranium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
uranium produced by
magnesium reduction
--------------Chromium (total).............................. 0.036 0.014Copper........................................ 0.123 0.059Nickel........................................ 0.053 0.036Fluoride...................................... 3.360 1.910------------------------------------------------------------------------ Sec. 421.327 [Reserved]
Subpart AE_Primary Zirconium and Hafnium Subcategory
Source: 50 FR 38395, Sept. 20, 1985, unless otherwise noted.