View all text of Subpart D [§ 420.40 - § 420.48]
§ 420.44 - New source performance standards (NSPS).
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.