{"data":{"id":"us/40-cfr-430.34","jurisdiction":"us","citation":"40 CFR 430.34","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 C\n[BAT effluent limitations for unbleached kraft facilities]\nPollutant or pollutant property Maximum for any 1 day\nKg/kkg (or pounds per 1,000 lb) of product Milligrams/liter\nPentachlorophenol 0.00058 (0.011)(12.6)/y\nTrichlorophenol 0.00053 (0.010)(12.6)/y\ny = wastewater discharged in kgal per ton of product.\nSubpart C\n[BAT effluent limitations for unbleached kraft facilities where pulp and paper are produced using the unbleached kraft-neutral sulfite semi-chemical (cross recovery) process and/or a combined unbleached kraft and semi-chemical process, wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system]\nPollutant or pollutant property Maximum for any 1 day\nKg/kkg (or pounds per 1,000 lb) of product Milligrams/liter\nPentachlorophenol 0.00064 (0.011)(14.0)/y\nTrichlorophenol 0.00059 (0.010)(14.0)/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 C—Unbleached Kraft 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":"66320ab261156053e993b1366e1afbf2ffbed7748210678a9227e3fc828f90ee","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-430.33","next":"us/40-cfr-430.35"},"notice":"GroundRules: Original legal text. Not legal advice."}