{"data":{"id":"us/40-cfr-430.124","jurisdiction":"us","citation":"40 CFR 430.124","heading":"Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).","body":"Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart where chlorophenolic-containing biocides are used must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Non-continuous dischargers shall not be subject to the maximum day mass limitations in kg/kkg (lb/1000 lb) but shall be subject to concentration limitations. Concentration limitations are only applicable to non-continuous dischargers. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:\nSubpart L\n[BAT effluent limitations for non-integrated mills where tissue papers are produced from purchased pulp]\nPollutant or pollutant property Maximum for any 1 day\nKg/kkg (or pounds per 1,000 lb) of product Milligrams/liter\nPentachlorophenol 0.0028 (0.029)(22.9)/y\nTrichlorophenol 0.00096 (0.010)(22.9)/y\ny = wastewater discharged in kgal per ton of product.\nSubpart L\n[BAT effluent limitations for non-integrated mills where filter and non-woven papers are produced from purchased pulp]\nPollutant or pollutant property Maximum for any 1 day\nKg/kkg (or pounds per 1,000 lb) of product Milligrams/liter\nPentachlorophenol 0.0072 (0.029)(59.9)/y\nTrichlorophenol 0.0025 (0.010)(59.9)/y\ny = wastewater discharged in kgal per ton of product.\nSubpart L\n[BAT effluent limitations for non-integrated mills where paperboard is produced from purchased pulp]\nPollutant or pollutant property Maximum for any 1 day\nKg/kkg (or pounds per 1,000 lb) of product Milligrams/liter\nPentachlorophenol 0.0016 (0.029)(12.9)/y\nTrichlorophenol 0.00054 (0.010)(12.9)/y\ny = wastewater discharged in kgal per ton of product.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS","PART 430—THE PULP, PAPER, AND PAPERBOARD POINT SOURCE CATEGORY","Subpart L—Tissue, Filter, Non-Woven, and Paperboard From Purchased Pulp 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":"af05848a634f8c0114b99bc16682ef042451968c69a016d0d9198db498a56175","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-430.123","next":"us/40-cfr-430.125"},"notice":"GroundRules: Original legal text. Not legal advice."}