View all text of Subpart BC [§ 415.550 - § 415.556]
§ 415.554 - Pretreatment standards for existing sources (PSES).
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 |
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