Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 254 - Iron and steel manufacturing › Subchapter X - Cold Forming Subcategory › Section NR 254.102 - 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 159
Single Stand Recirculation Cold Rolling Mills
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.00125
0.000626
O&G
0.000522
0.000209
Chromium(1)
0.0000209
0.0000084
Lead
0.0000094
0.0000031
Nickel(1)
0.0000188
0.0000063
Zinc
0.0000063
0.0000021
Naphthalene
0.0000021
Tetrachloroethylene
0.0000031
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 160
Multiple Stand Recirculation Cold Rolling Mills
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.00626
0.00313
O&G
0.00261
0.00104
Chromium(1)
0.000104
0.0000418
Lead
0.0000469
0.0000156
Nickel(1)
0.0000939
0.0000313
Zinc
0.0000313
0.0000104
Naphthalene
0.0000104
Tetrachloroethylene
0.0000156
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 161
Combination Cold Rolling Mills
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0751
0.0376
O&G
0.0313
0.0125
Chromium(1)
0.00125
0.000501
Lead
0.000563
0.000188
Nickel(1)
0.00113
0.000376
Zinc
0.000376
0.000125
Naphthalene
0.000125
Tetrachloroethylene
0.000188
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 162
Single Stand Direct Application Cold Rolling Mills
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.0225
0.0113
O&G
0.00939
0.00376
Chromium(1)
0.000376
0.000150
Lead
0.000169
0.0000563
Nickel(1)
0.000338
0.000113
Zinc
0.000113
0.0000376
Naphthalene
0.0000376
Tetrachloroethylene
0.0000563
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 163
Multiple Stand Direct Application Cold Rolling
					 Mills
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.100
0.0501
O&G
0.0417
0.0167
Chromium(1)
0.00167
0.000668
Lead
0.000751
0.000250
Nickel(1)
0.00150
0.000501
Zinc
0.000501
0.000167
Naphthalene
0.000167
Tetrachloroethylene
0.000250
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 164
Cold Worked Pipe and Tube Using Water
BPT Effluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.00125
0.000626
O&G
0.000522
0.000209
Chromium(1)
0.0000209
0.0000084
Lead
0.0000094
0.0000031
Nickel(1)
0.0000188
0.0000063
Zinc
0.0000063
0.0000021
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0
Table 165
Cold Worked Pipe and Tube Using Oil Solutions
BPT E
ffluent Limitations
Maximum for any 1 day
Average of
daily values for
30 consecutive
days
Pollutant or pollutant property
kg/kkg (pounds per 1,000 pounds) of
								  product
TSS
0.00125
0.000626
O&G
0.000522
0.000209
Chromium(1)
0.0000209
0.0000084
Lead
0.0000094
0.0000031
Nickel(1)
0.0000188
0.0000063
Zinc
0.0000063
0.0000021
Naphthalene
0.0000021
Tetrachloroethylene
0.0000031
pH
(2)
(2)
(1) The limitations for chromium and nickel are applicable
					 in lieu of those for lead and zinc when cold rolling wastewaters are treated
					 with descaling or combination acid pickling wastewaters.
(2) Within the range of 6.0 to 9.0