{"data":{"id":"us/40-cfr-429.81","jurisdiction":"us","citation":"40 CFR 429.81","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).","body":"Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):\nSubpart G\nPollutant or pollutant property BPT Effluent Limitations\nMaximum for any 1 day Average of daily values for 30 consecutive days\nEnglish units (lb/1000 cubic feet of product)\nCOD 68.5 34.5\nPhenols .14 .04\nOil and Grease 1.5 .75\npH (1) (1)\nMetric units (kg/1000 cu m of product)\nCOD 1,100 550\nPhenols 2.18 .65\nOil and Grease 24.0 12.0\npH (1) (1)\n1 Within the range of 6.0 to 9.0 at all times.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 429—TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY","Subpart G—Wood Preserving Steam 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":"ad2bd6fbd4f3e665062013224f7c46fd584d95084f79cfd3918c449483dbb607","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-429.80","next":"us/40-cfr-429.82"},"notice":"GroundRules: Original legal text. Not legal advice."}