40 CFR 420.44 – New source performance standards (NSPS)
Current as of: 2024 | Check for updates
|
Other versions
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Basic oxygen furnace steelmaking—semi-wet; and electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.
(b) Basic oxygen furnace steelmaking—wet-suppressed combustion.
Subpart D
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.0146 | 0.00522 |
| Lead | 0.000188 | 0.0000626 |
| Zinc | 0.000282 | 0.0000939 |
| pH | (1) | (1) |
1 Within the range of 6.0 to 9.0.
(c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet.
Subpart D
| Pollutant or pollutant property | New source performance standards | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| TSS | 0.0321 | 0.0115 |
| Lead | 0.000413 | 0.000138 |
| Zinc | 0.000620 | 0.000207 |
| pH | (1) | (1) |
1 Within the range of 6.0 to 9.0.