Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 253 - Copper forming › Subchapter I - The Copper Forming Subcategory › Section NR 253.12 - 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 source subject to this subchapter shall achieve the following effluent
					 limitations representing the degree of effluent reduction attainable by the
					 application of BAT:
Table 18
Hot Rolling Spent Lubricant
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy hot rolled
Chromium
0.045
0.018
Copper
0.195
0.103
Lead
0.015
0.013
Nickel
0.197
0.130
Zinc
0.150
0.062
Table 19
Cold Rolling Spent Lubricant
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy cold rolled
Chromium
0.166
0.068
Copper
0.720
0.379
Lead
0.056
0.049
Nickel
0.727
0.481
Zinc
0.553
0.231
Table 20
Drawing Spent Lubricant
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy drawn
Chromium
0.037
0.015
Copper
0.161
0.085
Lead
0.012
0.011
Nickel
0.163
0.107
Zinc
0.124
0.051
Table 21
Solution Heat Treatment
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy heat treated
Chromium
0.284
0.116
Copper
1.227
0.646
Lead
0.096
0.083
Nickel
1.240
0.820
Zinc
0.943
0.394
Table 22
Extrusion Heat Treatment
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy heat treated
Chromium
0.00088
0.00036
Copper
0.003
0.0020
Lead
0.0003
0.00026
Nickel
0.003
0.002
Zinc
0.002
0.001
Table 23
Annealing With Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy annealed with water
Chromium
0.545
0.223
Copper
2.356
1.240
Lead
0.186
0.161
Nickel
2.380
1.574
Zinc
1.810
0.756
Table 24
Annealing With Oil
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy annealed with oil
Chromium
0
0
Copper
0
0
Lead
0
0
Nickel
0
0
Zinc
0
0
Table 25
Alkaline Cleaning Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollu property
mg/off-kg (pounds per 1,000,000 tant off-pounds)
								  of copper or copper alloy alkaline cleaned
Chromium
1.854
0.758
Copper
8.006
4.214
Lead
0.632
0.547
Nickel
8.090
5.351
Zinc
6.152
2.570
Table 26
Alkaline Cleaning Rinse For Forged Parts
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy forged parts alkaline cleaned
Chromium
5.562
2.275
Copper
24.019
12.642
Lead
1.896
1.643
Nickel
24.272
16.055
Zinc
18.457
7.711
Table 27
Alkaline Cleaning Bath
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy alkaline cleaned
Chromium
0.020
0.0084
Copper
0.088
0.046
Lead
0.0070
0.0060
Nickel
0.089
0.059
Zinc
0.068
0.028
Table 28
Pickling Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy pickled
Chromium
0.574
0.235
Copper
2.481
1.306
Lead
0.195
0.169
Nickel
2.507
1.658
Zinc
1.906
0.796
Table 29
Pickling Rinse For Forged Parts
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy forged parts pickled
Chromium
1.723
0.705
Copper
7.444
3.918
Lead
0.587
0.509
Nickel
7.522
4.975
Zinc
5.720
2.389
Table 30
Pickling Bath
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy pickled
Chromium
0.051
0.020
Copper
0.220
0.116
Lead
0.017
0.015
Nickel
0.222
0.147
Zinc
0.169
0.070
Table 31
Pickling Fume Scrubber
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy pickled
Chromium
0.275
0.112
Copper
1.189
0.626
Lead
0.093
0.081
Nickel
1.201
0.795
Zinc
0.913
0.381
Table 32
Tumbling or Burnishing
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy tumbled or burnished
Chromium
0.256
0.104
Copper
1.107
0.583
Lead
0.087
0.075
Nickel
1.119
0.740
Zinc
0.851
0.355
Table 33
Surface Coating
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy surface coated
Chromium
0.326
0.133
Copper
1.411
0.743
Lead
0.111
0.096
Nickel
1.426
0.943
Zinc
1.084
0.453
Table 34
Miscellaneous Waste Streams
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per 1,000,000 off-pounds) of
								  copper or copper alloy formed
Chromium
0.009
0.003
Copper
0.041
0.021
Lead
0.003
0.002
Nickel
0.041
0.027
Zinc
0.031
0.013
(1) Within the range of 7.5 to 10.0 at all times