40 CFR 420.35 – Pretreatment standards for existing sources (PSES)
Current as of: 2024 | Check for updates
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Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources.
(a) Iron blast furnace.
Subpart C
| Pollutant or pollutant property | Pretreatment standards for existing sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of products | ||
| Ammonia-N 1 | 0.00876 | 0.00292 |
| Cyanide | 0.00175 | 0.000876 |
| Phenols (4AAP) | 0.0000584 | 0.0000292 |
| Lead | 0.000263 | 0.0000876 |
| Zinc | 0.000394 | 0.000131 |
1 The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at 420.02(s)).
(b) [Reserved]
(c) Existing indirect dischargers.
Subpart C
| Pollutant or pollutant property | Pretreatment standards for existing sources | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (pounds per 1,000 lb) of product | ||
| Ammonia-N | 0.0350 | 0.0175 |
| Cyanide | 0.00175 | 0.000876 |
| Phenols (4AAP) | 0.000175 | 0.0000584 |
| Lead | 0.000263 | 0.0000876 |
| Zinc | 0.000394 | 0.000131 |