Wis. Admin. Code Department of Natural Resources NR 230.472
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 55
Nickel Sulfate, Nickel Chloride, Nickel Nitrate, and Nickel Fluoborate
BPT Effluent Limitations | ||
kg/kkg (pounds per 1,000 pounds) of nickel salts | ||
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
TSS | 0.096 | 0.032 |
Nickel | 0.0060 | 0.0020 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0.
Table 56
Nickel Carbonate
BPT Effluent Limitations | ||
kg/kkg (pounds per 1,000 pounds) of nickel carbonate | ||
Pollutant or pollutant property | Maximum for any 1 day | Average of daily values for 30 consecutive days |
TSS | 17 | 5.6 |
Nickel | 1.1 | 0.35 |
pH | (1) | (1) |
(1) Within the range of 6.0 to 9.0
Wis. Admin. Code Department of Natural Resources NR 230.472