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§ 461.34 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 pretreatment standards for existing sources listed below:
(1) Subpart C—Open Formation—Dehydrated—PSES.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of lead used | ||
| English units—pounds per 1,000,000 pounds of lead used | ||
| Copper | 3.19 | 1.68 |
| Lead | 0.71 | 0.34 |
(2) Subpart C—Open Formation—Wet—PSES.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of lead used | ||
| English units—pounds per 1,000,000 pounds of lead used | ||
| Copper | 0.100 | 0.053 |
| Lead | 0.022 | 0.010 |