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 V - Refractory Metals › Section NR 273.053 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

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 BAT:
Table 5-18
Refractory Metals
Rolling Spent Emulsions
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals rolled with emulsions
Copper
0.549
0.262
Nickel
0.236
0.157
Fluoride
25.5
11.3
Molybdenum
2.16
0.957
Table 5-19
Refractory Metals
Extrusion Press Hydraulic Fuel Leakage
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals extruded
Copper
1.5
0.730
Nickel
0.650
0.440
Fluoride
71.000
31.0
Molybdenum
5.99
2.66
Table 5-20
Refractory Metals
Forging Contact Cooling Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  forged refractory metals cooled with water
Copper
0.041
0.020
Nickel
0.018
0.012
Fluoride
1.92
0.853
Molybdenum
0.163
0.072
Table 5-21
Refractory Metals
Equipment Cleaning Wastewater
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals formed
Copper
0.174
0.083
Nickel
0.075
0.051
Fluoride
8.09
3.59
Molybdenum
0.684
0.303
Table 5-22
Refractory Metals
Metal Powder Production Wastewater
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals powder produced
Copper
0.360
0.172
Nickel
0.155
0.104
Fluoride
16.7
7.42
Molybdenum
1.42
0.627
Table 5-23
Refractory Metals
Surface Treatment Spent Baths
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals surface treated
Copper
0.498
0.237
Nickel
0.214
0.144
Fluoride
23.2
10.3
Molybdenum
1.96
0.868
Table 5-24
Refractory Metals
Surface Treatment Rinse
BAT Effluent Limitat
ions
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pound pounds) of refract
								  treated
s per million off-ory metals surface
Copper
15.5
7.38
Nickel
6.66
4.48
Fluoride
720
320
Molybdenum
60.9
27.0
Table 5-25
Refractory Metals
Alkaline Cleaning Spent Baths
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (poun pounds) of refrac cleaned
0.428
ds per million off-tory metals alkaline
Copper
0.204
Nickel
0.184
0.124
Fluoride
19.9
8.82
Molybdenum
1.68
0.745
Table 5-26
Refractory Metals
Alkaline Cleaning Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (poun pounds) of refrac cleaned
ds per million off-tory metals alkaline
Copper
10.5
4.98
Nickel
4.49
3.02
Fluoride
486
216
Molybdenum
41.1
18.2
Table 5-27
Refractory Metals
Molten Salt Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals treated with molten salt
Copper
0.810
0.386
Nickel
0.348
0.234
Fluoride
37.7
16.7
Molybdenum
3.19
1.41
Table 5-28
Refractory Metals
Tumbling or Burnishing Wastewater
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off- pounds) of
								  refractory metals tumbled or burnished
Copper
1.60
0.763
Nickel
0.688
0.463
Fluoride
74.4
33.0
Molybdenum
6.29
2.79
Table 5-29
Refractory Metals
Sawing or Grinding Spent Emulsions
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals sawed or ground with emulsions
Copper
0.380
0.181
Nickel
0.164
0.110
Fluoride
17.7
7.84
Molybdenum
1.50
0.663
Table 5-30
Refractory Metals
Sawing or Grinding
Contact Cooling Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals sawed or ground with contact cooling water
Copper
3.11
1.48
Nickel
1.34
0.899
Fluoride
145.0
64.2
Molybdenum
12.2
5.42
Table 5-31
Refractory Metals
Sawing or Grinding Rinse
BAT 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 refractory metals rinsed
Copper
0.018
0.009
Nickel
0.008
0.005
Fluoride
0.803
0.357
Molybdenum
0.068
0.030
Table 5-32
Refractory Metals
Wet Air Pollution Control Scrubber Blowdown
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals sawed, ground, surface coated, or surface treated
Copper
1.01
0.480
Nickel
0.433
0.291
Fluoride
46.8
20.8
Molybdenum
3.96
1.76
Table 5-33
Refractory Metals
Miscellaneous Wastewater Sources
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals formed
Copper
0.442
0.211
Nickel
0.190
0.128
Fluoride
20.6
9.11
Molybdenum
1.74
0.770
Table 5-34
Refractory Metals
Dye Penetrant Testing Wastewater
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  refractory metals tested
Copper
0.100
0.048
Nickel
0.043
0.029
Fluoride
4.62
2.05
Molybdenum
0.391
0.173