Wis. Admin. Code Department of Natural Resources NR 274.245
Except as provided in ss. NR 211.13 and 211.14, any existing source subject to this subchapter which introduces pollutants into a POTW shall comply with ch. NR 211 and achieve the following PSES:
Table 24-4
Secondary Nickel Slag Reclaim Tailings
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of slag input into the reclaim process | |
Chromium | 5.653 | 2.313 |
Copper | 24.410 | 12.850 |
Nickel | 24.670 | 16.320 |
Table 24-5
Secondary Nickel Acid Reclaim Leaching Filtrate
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of acid reclaim nickel produced | |
Chromium | 2.198 | 0.899 |
Copper | 9.491 | 4.995 |
Nickel | 9.590 | 6.344 |
Table 24-6
Secondary Nickel Acid Reclaim Leaching Belt Filter Backwash
PSES | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of nickel produced | |
Chromium | 0.528 | 0.216 |
Copper | 2.278 | 1.199 |
Nickel | 2.302 | 1.523 |
Wis. Admin. Code Department of Natural Resources NR 274.245