Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XXXII - Secondary Uranium
Section NR 274.322 - Effluent limitations 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 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
Table 32-1
Secondary Uranium Refinery Sump Filtrate
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
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.
Table 32-2
Secondary Uranium Slag Leach Reslurry
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium processed in the refinery |
|
|
Chromium |
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.
Table 32-3
Secondary Uranium Solvent Extraction Raffinate Filtrate
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium processed in the refinery |
|
|
Chromium |
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.
Table 32-4
Secondary Uranium Digestion Wet Air Pollution Control
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium processed in the refinery |
|
|
Chromium |
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.
Table 32-5
Secondary Uranium Evaporation and Denitration Wet Air Pollution Control
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium trioxide produced |
|
|
Chromium |
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.
Table 32-6
Secondary Uranium Hypofluorination Alkaline Scrubber
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium tetrafluoride produced |
|
|
Chromium |
0.009 |
0.004 |
|
Copper |
0.038 |
0.020 |
|
Nickel |
0.038 |
0.025 |
|
Fluoride |
0.070 |
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.
Table 32-7
Secondary Uranium Hypofluorination Water Scrubber
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium tetrafluoride produced |
|
|
Chromium |
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.
Table 32-8
Secondary Uranium Magnesium Reduction and Casting Floor Wash
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium produced by magnesium reduction |
|
|
Chromium |
0.013 |
0.005 |
|
Copper |
0.057 |
0.030 |
|
Nickel |
0.058 |
0.038 |
|
Fluoride |
1.056 |
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.
Table 32-9
Secondary Uranium Laundry Wastewater
|
BPT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of uranium produced by magnesium reduction |
|
|
Chromium |
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.
