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 254.106 - Pretreatment standards for new sources

Current through June 24, 2024
Except as provided in s.
					 NR
					 211.13, any new source subject to this subchapter
					 which introduces pollutants into a POTW shall comply with ch. NR 211 and
					 achieve the following PSNS:
Table 180
Single Stand Recirculation Cold Rolling Mills
PSNS
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 181
Multiple Stand Recirculation Cold Rolling Mills
PSNS
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)
0.0000418
0.0000167
Lead
0.0000188
0.0000063
Nickel(1)
0.0000376
0.0000125
Zinc
0.0000125
0.0000042
Naphthalene
0.0000042
Tetrachloroethylene
0.0000063
(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 182
Combination Cold Rolling Mills
PSNS
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)
0.000543
0.000217
Lead
0.000244
0.0000814
Nickel(1)
0.000488
0.000163
Zinc
0.000163
0.0000542
Naphthalene
0.0000542
Tetrachloroethylene
0.0000813
(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 183
Single Stand Direct Application Cold Rolling Mills
PSNS
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 184
Multiple Stand Direct Application Cold Rolling
					 Mills
PSNS
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)
0.00121
0.000484
Lead
0.000545
0.000182
Nickel(1)
0.00109
0.000363
Zinc
0.000363
0.000121
Naphthalene
0.000121
Tetrachloroethylene
0.000182
(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 185
Cold Worked Pipe and Tube Using Water
PSNS
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 186
Cold Worked Pipe and Tube Using Oil Solutions
PSNS
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.