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
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.