Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Nonferrous Metals Manufacturing Point Source Category
  7. Secondary Uranium Subcategory
  8. Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

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§ 421.322 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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.


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