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§ 433.15 Pretreatment standards for existing sources (PSES).
(a) Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES):
PSES for All Plants Except Job Shops and Independent Printed Circuit Board Manufacturers
| Pollutant or pollutant property | Maximum for any 1 day | Monthly average shall not exceed |
|---|---|---|
| Milligrams per liter (mg/l) | ||
| Cadmium (T) | 0.69 | 0.26 |
| Chromium (T) | 2.77 | 1.71 |
| Copper (T) | 3.38 | 2.07 |
| Lead (T) | 0.69 | 0.43 |
| Nickel (T) | 3.98 | 2.38 |
| Silver (T) | 0.43 | 0.24 |
| Zinc (T) | 2.61 | 1.48 |
| Cyanide (T) | 1.20 | 0.65 |
| TTO | 2.13 | |