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 254.103 - 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 166
Single Stand Recirculation Cold Rolling Mills
BAT 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
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
(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
Table 167
Multiple Stand Recirculation Cold Rolling Mills
BAT 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
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
(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.
Table 168
Combination Cold Rolling Mills
BAT 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
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
(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.
Table 169
Single Stand Direct Application Cold Rolling Mills
BAT 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
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
(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.
Table 170
Multiple Stand Direct Application Cold Rolling
					 Mills
BAT 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
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
(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.
Table 171
Cold Worked Pipe and Tube Using Water
BAT 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
Chromium(1)
0.0000209
0.0000084
Lead
0.0000094
0.0000031
Nickel(1)
0.0000188
0.0000063
Zinc
0.0000063
0.0000021
(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.
Table 172
Cold Worked Pipe and Tube Using Oil Solutions
BAT 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
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
(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.