§ 415.554 Pretreatment standards for existing sources (PSES).
Current through Aug 22, 2025 · Read all of Part 415
Except as provided in 40 CFR 403.7 and 493.13, 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 (PSES):
Subpart BC—Sodium Fluoride
| Pollution or pollutant property | PSES effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Milligrams per liter (mg/l) | ||
| Fluoride | 50 | 25 |