{"data":{"id":"us/40-cfr-415.554","jurisdiction":"us","citation":"40 CFR 415.554","heading":"Pretreatment standards for existing sources (PSES).","body":"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):\nSubpart BC—Sodium Fluoride\nPollution or pollutant property PSES effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nMilligrams per liter (mg/l)\nFluoride 50 25","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","Subpart BC—Sodium Fluoride Production Subcategory"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"fd0a9bcd03924135498eb3eb0a6a7b4a0d9f36ec46171a94d834eb0edf8a94c7","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-415.553","next":"us/40-cfr-415.555"},"notice":"GroundRules: Original legal text. Not legal advice."}