{"data":{"id":"us/40-cfr-415.63","jurisdiction":"us","citation":"40 CFR 415.63","heading":"Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):\nSubpart F—Chlor-Alkali-Mercury Cells\nPollutant or pollutant property BAT effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (or pounds per 1,000 lb) of product\nMercury (T) 0.00023 0.00010\nTotal Residual Chlorine 0.0032 0.0019\n(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the diaphragm cell process must achieve the following effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):\nSubpart F—Chlor-Alkali-Diaphragm Cells\nPollutant or pollutant property BAT effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nKg/kkg (or pounds per 1,000 lb) of product\nCopper (T) 0.012 0.0049\nLead (T) 0.0059 0.0024\nNickel (T) 0.0097 0.0037\nTotal Residual Chlorine 0.013 0.0079","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 F—Chlor-alkali Subcategory (Chlorine and Sodium or Potassium Hydroxide Production)"],"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":"2998e74d42ec5e8637a52521e502561fa1cf30c41b866afe808dd203bac89352","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-415.62","next":"us/40-cfr-415.64"},"notice":"GroundRules: Original legal text. Not legal advice."}