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 253.11 - 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 source subject to this subchapter shall achieve the following effluent
					 limitations representing the degree of effluent reduction attainable by the
					 application of BPT:
Table 1
Hot Rolling Spent Lubricant
BPT 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
Oil and grease
2.060
1.236
TSS
4.223
2.008
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 2
Cold Rolling Spent Lubricant
BPT 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
Oil and grease
7.580
4.548
TSS
15.539
7.390
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 3
Drawing Spent Lubricant (1)
BPT 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
Oil and grease
1.700
1.020
TSS
3.485
1.657
pH
(2)
(2)
(1) These effluent limitations are applicable only to those
					 plants which actually discharge the drawing spent lubricant wastestream at the
					 copper forming site. If these wastewaters are hauled off-site for disposal or
					 are otherwise not discharged at the copper forming site, these limitations are
					 neither applicable nor allowable.
(2) Within the range of 7.5 to 10.0 at all times
Table 4
Solution Heat Treatment
BPT 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
1.118
0.457
Copper
4.827
2.541
Lead
0.381
0.330
Nickel
4.878
3.227
Zinc
3.709
1.550
Oil and grease
50.820
30.492
TSS
104.181
49.549
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 5
Extrusion Heat Treatment
BPT 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
0.002
Lead
0.0003
0.00026
Nickel
0.003
0.002
Zinc
0.002
0.001
Oil and grease
0.040
0.024
TSS
0.082
0.039
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6
Annealing With Water
BPT 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
2.439
1.020
Copper
10.767
5.667
Lead
0.850
0.736
Nickel
10.880
7.197
Zinc
8.273
3.456
Oil and grease
113.340
68.004
TSS
232.347
110.506
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 7
Annealing With Oil
BPT 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
Oil and grease
0
0
TSS
0
0
pH
(1)
(1)
NR 253.11 Note (1) Within the range of 7.5 to 10.0 at all
					 times
Table 8
Alkaline Cleaning Rinse
BPT 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
1.854
0.758
Copper
8.006
4.214
Lead
0.632
0.547
Nickel
8.090
5.351
Zinc
6.152
2.570
Oil and grease
84.280
50.568
TSS
172.774
82.173
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 9
Alkaline Cleaning Rinse For Forged Parts
BPT 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
Oil and grease
252.840
151.704
TSS
518.322
246.519
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 10
Alkaline Cleaning Bath
BPT 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
0.089
0.046
Lead
0.0070
0.0060
Nickel
0.089
0.059
Zinc
0.068
0.028
Oil and grease
0.93
0.56
TSS
1.91
0.91
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 11
Pickling Rinse
BPT 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
1.593
0.651
Copper
6.881
3.622
Lead
0.543
0.470
Nickel
6.954
4.599
Zinc
5.288
2.209
Oil and grease
72.440
43.464
TSS
148.502
70.629
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 12
Pickling Rinse For Forged Parts
BPT 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
Oil and grease
78.360
47.016
TSS
160.638
76.401
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 13
Pickling Bath
BPT 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
Oil and grease
2.320
1.392
TSS
4.756
2.262
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 14
Pickling Fume Scrubber
BPT 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
Oil and grease
12.520
7.512
TSS
25.666
12.207
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times -
Table 15
Tumbling or Burnishing
BPT 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
Oil and grease
11.660
6.996
TSS
23.903
11.368
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 16
Surface Coating BPT 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
Oil and grease
14.680
8.916
TSS
30.463
14.488
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 17
Miscellaneous Waste Streams
BPT 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
Oil and grease
0.436
0.261
TSS
0.893
0.425
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times