§ 440.64 New source performance standards (NSPS).
Current through Aug 22, 2025 · Read all of Part 440
Except as provided in subpart L of this part any new source subject to this subpart must achieve the following NSPS representing the degree of effluent reduction attainable by the application of the best available demonstrated technology (BADT):
(a) The concentration of pollutants discharged in mine drainage from tungsten mines shall not exceed:
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter | ||
| Cd | 0.10 | 0.05 |
| Cu | 0.30 | 0.15 |
| Zn | 1.0 | 0.5 |
| pH | ( 1) | ( 1) |
| TSS | 30.0 | 20.0 |
1 Within the range of 6.0 to 9.0.
(b) The concentration of pollutants discharged from mills shall not exceed:
| Effluent characteristic | Effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter | ||
| Cd | 0.10 | 0.05 |
| Cu | 0.3 | 0.15 |
| Zn | 1.0 | 0.5 |
| pH | ( 1) | ( 1) |
| TSS | 30.0 | 20.0 |
1 Within the range of 6.0 to 9.0.