{"data":{"id":"us/40-cfr-424.22","jurisdiction":"us","citation":"40 CFR 424.22","heading":"Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.","body":"Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):\nEffluent characteristic Effluent limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—\nMetric units (kg/Mwh)\nTSS 0.419 0.209\nChromium total .008 .004\nChromium VI .0008 .0004\nManganese total .084 .042\nCyanide total .004 .002\nPhenols .006 .004\npH (1) (1)\nEnglish units (lb/Mwh)\nTSS .922 .461\nChromium total .018 .009\nChromium VI .0018 .0009\nManganese total .184 .092\nCyanide total .009 .005\nPhenols .013 .009\npH (1) (1)\n1 Within the range 6.0 to 9.0.\nProvided, however, That for nonelectric furnace smelting processes, the units of effluent limitations set forth in this section shall be read as “kg/kkg of product” rather than “kg/Mwh,” and the limitations (except for pH) shall be 3.3 times those listed in the table in this section (or, for English units, “lb/ton of product” rather than “lb/Mwh,” and the limitations (except for pH) shall be three times those listed in the table).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 424—FERROALLOY MANUFACTURING POINT SOURCE CATEGORY","Subpart B—Covered Electric Furnaces and Other Smelting Operations With Wet Air Pollution Control Devices 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":"de07031164c2aa979606d69d79ed1d7e522dd7060c61f1af1f7eaf5cc47e0cf0","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-424.21","next":"us/40-cfr-424.23"},"notice":"GroundRules: Original legal text. Not legal advice."}