Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 273 - Nonferrous metals forming and metal powders › Subchapter VII - Uranium › Section NR 273.072 - 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 7-1
Uranium
Extrusion Tool Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium extruded
Cadmium
0.117
0.052
Chromium
0.152
0.062
Copper
0.654
0.344
Lead
0.145
0.069
Nickel
0.661
0.437
Fluoride
20.5
9.08
Molybdenum
2.28
1.18
Oil and grease
6.88
4.13
Total suspended solids
14.1
6.71
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-2
Uranium
Heat Treatment Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  extruded or forged uranium heat treated
Cadmium
0.646
0.285
Chromium
0.836
0.342
Copper
3.61
1.90
Lead
0.798
0.380
Nickel
3.65
2.42
Fluoride
113
50.2
Molybdenum
12.6
6.5
Oil and grease
38
22.8
Total suspended solids
77.9
37.1
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-3
Uranium
Surface Treatment Spent Baths
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium surface treated
Cadmium
0.010
0.004
Chromium
0.012
0.005
Copper
0.052
0.027
Lead
0.012
0.006
Nickel
0.052
0.035
Fluoride
1.62
0.718
Molybdenum
0.180
0.093
Oil and grease
0.544
0.327
Total suspended solids
1.12
0.531
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-4
Uranium
Surface Treatment Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium surface treated
Cadmium
0.115
0.050
Chromium
0.149
0.061
Copper
0.641
0.337
Lead
0.142
0.068
Nickel
0.647
0.428
Fluoride
20.1
8.90
Molybdenum
2.23
1.16
Oil and grease
6.74
4.05
Total suspended solids
13.8
6.57
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-5
Uranium
Wet Air Pollution Control Scrubber Blowdown
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium surface treated
Cadmium
0.0012
0.0006
Chromium
0.002
0.0007
Copper
0.007
0.004
Lead
0.002
0.0007
Nickel
0.007
0.005
Fluoride
0.208
0.092
Molybdenum
0.023
0.012
Oil and grease
0.070
0.042
Total suspended solids
0.143
0.068
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-6
Uranium
Sawing or Grinding Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium sawed or ground with emulsions
Cadmium
0.002
0.0009
Chromium
0.003
0.001
Copper
0.011
0.006
Lead
0.003
0.001
Nickel
0.011
0.007
Fluoride
0.338
0.150
Molybdenum
0.038
0.020
Oil and grease
0.114
0.068
Total suspended solids
0.233
0.111
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-7
Uranium
Sawing or Grinding Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium sawed or ground with contact cooling water
Cadmium
0.561
0.248
Chromium
0.726
0.297
Copper
3.14
1.65
Lead
0.693
0.330
Nickel
3.17
2.1
Fluoride
98.2
43.6
Molybdenum
10.9
5.65
Oil and grease
33.0
19.8
Total suspended solids
67.7
32.2
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-8
Uranium
Sawing or Grinding Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  sawed or ground uranium rinsed
Cadmium
0.002
0.0007
Chromium
0.002
0.0009
Copper
0.009
0.005
Lead
0.002
0.001
Nickel
0.009
0.006
Fluoride
0.277
0.123
Molybdenum
0.031
0.016
Oil and grease
0.093
0.056
Total suspended solids
0.191
0.091
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-9
Uranium
Area Cleaning Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium formed
Cadmium
0.015
0.007
Chromium
0.019
0.008
Copper
0.082
0.043
Lead
0.018
0.009
Nickel
0.083
0.055
Fluoride
2.56
1.14
Molybdenum
0.284
0.147
Oil and grease
0.858
0.515
Total suspended solids
1.76
0.837
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-10
Uranium
Drum Washwater
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  uranium formed
Cadmium
0.015
0.007
Chromium
0.020
0.008
Copper
0.084
0.045
Lead
0.019
0.009
Nickel
0.085
0.057
Fluoride
2.64
1.17
Molybdenum
0.293
0.152
Oil and grease
0.886
0.532
Total suspended solids
1.82
0.864
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7-11
Uranium
Laundry Washwater
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/employe-day
Cadmium
17.8
7.86
Chromium
23.1
9.43
Copper
99.6
52.4
Lead
22.0
10.5
Nickel
101
66.6
Fluoride
3,120
1,390
Molybdenum
347
179
Oil and grease
1,050
629
Total suspended solids
2,150
1,020
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times