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.
Wis. Admin. Code Department of Natural Resources NR 254.103