Wis. Admin. Code Department of Natural Resources NR 254.102
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 BPT:
Table 159
Single Stand Recirculation Cold Rolling Mills
BPT 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 | |
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 160
Multiple Stand Recirculation Cold Rolling Mills
BPT 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 | |
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) |
(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 161
Combination Cold Rolling Mills
BPT 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 | |
TSS | 0.0751 | 0.0376 |
O&G | 0.0313 | 0.0125 |
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 | |
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 162
Single Stand Direct Application Cold Rolling Mills
BPT 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 | |
TSS | 0.0225 | 0.0113 |
O&G | 0.00939 | 0.00376 |
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 | |
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 163
Multiple Stand Direct Application Cold Rolling Mills
BPT 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 | |
TSS | 0.100 | 0.0501 |
O&G | 0.0417 | 0.0167 |
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 | |
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 164
Cold Worked Pipe and Tube Using Water
BPT 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 | |
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 165
Cold Worked Pipe and Tube Using Oil Solutions
BPT E | ffluent 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 | |
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 254.102