40 CFR 415.554 - Pretreatment standards for existing sources (PSES).

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§ 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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