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

Current through June 24, 2024
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.