40 CFR 420.46 – Pretreatment standards for new sources (PSNS)
Current as of: 2024 | Check for updates
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Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources.
(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 | Pretreatment standards for new sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Lead | 0.000188 | 0.0000626 |
| Zinc | 0.000282 | 0.0000939 |
(c) Basic oxygen furnace steelmaking—wet—open combustion; electric arc furnace steelmaking—wet.
Subpart D
| Pollutant or pollutant property | Pretreatment standards for new sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Lead | 0.000413 | 0.000138 |
| Zinc | 0.000620 | 0.000207 |