Wis. Admin. Code Department of Natural Resources NR 254.104
The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards:
Table 173
Single Stand Recirculation Cold Rolling Mills
NSPS | ||
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 174
Multiple Stand Recirculation Cold Rolling Mills
NSPS | ||
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 | 0.00250 | 0.00125 |
O&G | 0.00104 | 0.000417 |
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 | |
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 175
Combination Cold Rolling Mills
NSPS | ||
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 | 0.0326 | 0.0163 |
O&G | 0.0136 | 0.00543 |
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 | |
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.
Within the range of 6.0 to 9.0
Table 176
Single Stand Direct Application Cold Rolling Mills
NSPS | ||
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) |
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 177
Multiple Stand Direct Application Cold Rolling Mills
NSPS | ||
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 | 0.0726 | 0.0363 |
O&G | 0.0302 | 0.0121 |
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 | |
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 178
Cold Worked Pipe and Tube Using Water
NSPS | ||
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 179
Cold Worked Pipe and Tube Using Oil Solutions
NSPS | ||
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
Wis. Admin. Code Department of Natural Resources NR 254.104