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 practiacable technology currently available: (a) Refinery sump filtrate. BPT 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 32.270 13.200 Copper 139.300 73.340 Nickel 140.800 93.140 Fluoride 2,567.000 1,459.000 Total suspended solids 3,007.000 1,430.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (b) Slag leach reslurry. BPT 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) 2.009 0.822 Copper 8.675 4.566 Nickel 8.767 5.799 Fluoride 159.800 90.860 Total suspended solids 187.200 89.040 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (c) Solvent extraction raffinate filtrate. BPT 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) 2.802 1.146 Copper 12.100 6.369 Nickel 12.230 8.089 Fluoride 222.900 126.700 Total suspended solids 261.100 124.200 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (d) Digestion wet air pollution control. BPT 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 Total suspended solids 0.000 0.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (e) Evaporation and denitration wet air pollution control. BPT 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 Total suspended solids 0.000 0.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (f) Hydrofluorination alkaline scrubber. BPT 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) 0.009 0.004 Copper 0.038 0.020 Nickel 0.038 0.025 Fluoride 0.700 0.398 Total suspended solids 0.820 0.390 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (g) Hydrofluorination water scrubber. BPT 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 Total suspended solids 0.000 0.000 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (h) Magnesium reduction and casting floor wash. BPT 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) 0.013 0.005 Copper 0.057 0.030 Nickel 0.058 0.038 Fluoride 1.054 0.599 Total suspended solids 1.234 0.587 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times. (i) Laundry wastewater. BPT 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) 0.084 0.035 Copper 0.365 0.192 Nickel 0.369 0.244 Fluoride 6.720 3.821 Total suspended solids 7.872 3.744 pH ( 1 ) ( 1 ) 1 Within the range of 7.5 to 10.0 at all times.