40 CFR § 415.475
New source performance standards (NSPS)
June 9, 2020
(a) Any new source subject to this subpart and producing nickel sulfate, nickel chloride, nickel fluorobate or nickel nitrate must achieve the following new source performance standards (NSPS):
Subpart AU—Nickel Sulfate, Nickel Chloride, Nickel Nitrate, and Nickel Fluoborate
Open Table
| Pollutant or pollutant property | NSPS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| TSS | 0.096 | 0.032 |
| Copper | 0.00074 | 0.00024 |
| Nickel | 0.00074 | 0.00024 |
| pH | (1) | (1) |
1Within the range 6.0 to 9.0.
(b) Any new source subject to this subpart and producing nickel carbonate must achieve the following new source performance standards (NSPS):
Subpart AU—Nickel Carbonate
Open Table
| Pollutant or pollutant property | NSPS effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per/1,000 lb) or product | ||
| TSS | 17. | 5.6 |
| Copper | 0.13 | 0.042 |
| Nickel | 0.13 | 0.042 |
| pH | (1) | (1) |
1Within the range 6.0 to 9.0.
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