{"data":{"id":"us/40-cfr-appendix-xi-to-part-268","jurisdiction":"us","citation":"40 CFR Appendix XI to Part 268","heading":"Appendix XI to Part 268—Metal Bearing Wastes Prohibited From Dilution in a Combustion Unit According to 40 CFR 268.3(c)","body":"Metal Bearing Wastes Prohibited From Dilution in a Combustion Unit According to 40 CFR 268.3(c) 1\nWaste code Waste description\nD004 Toxicity Characteristic for Arsenic.\nD005 Toxicity Characteristic for Barium.\nD006 Toxicity Characteristic for Cadmium.\nD007 Toxicity Characteristic for Chromium.\nD008 Toxicity Characteristic for Lead.\nD009 Toxicity Characteristic for Mercury.\nD010 Toxicity Characteristic for Selenium.\nD011 Toxicity Characteristic for Silver.\nF006 Wastewater treatment sludges from electroplating operations except from the following processes: (1) sulfuric acid anodizing of aluminum; (2) tin plating carbon steel; (3) zinc plating (segregated basis) on carbon steel; (4) aluminum or zinc-plating on carbon steel; (5) cleaning/stripping associated with tin, zinc and aluminum plating on carbon steel; and (6) chemical etching and milling of aluminum.\nF007 Spent cyanide plating bath solutions from electroplating operations.\nF008 Plating bath residues from the bottom of plating baths from electroplating operations where cyanides are used in the process.\nF009 Spent stripping and cleaning bath solutions from electroplating operations where cyanides are used in the process.\nF010 Quenching bath residues from oil baths from metal treating operations where cyanides are used in the process.\nF011 Spent cyanide solutions from salt bath pot cleaning from metal heat treating operations.\nF012 Quenching waste water treatment sludges from metal heat treating operations where cyanides are used in the process.\nF019 Wastewater treatment sludges from the chemical conversion coating of aluminum except from zirconium phosphating in aluminum car washing when such phosphating is an exclusive conversion coating process.\nK002 Wastewater treatment sludge from the production of chrome yellow and orange pigments.\nK003 Wastewater treatment sludge from the production of molybdate orange pigments.\nK004 Wastewater treatment sludge from the production of zinc yellow pigments.\nK005 Wastewater treatment sludge from the production of chrome green pigments.\nK006 Wastewater treatment sludge from the production of chrome oxide green pigments (anhydrous and hydrated).\nK007 Wastewater treatment sludge from the production of iron blue pigments.\nK008 Oven residue from the production of chrome oxide green pigments.\nK061 Emission control dust/sludge from the primary production of steel in electric furnaces.\nK069 Emission control dust/sludge from secondary lead smelting.\nK071 Brine purification muds from the mercury cell processes in chlorine production, where separately prepurified brine is not used.\nK100 Waste leaching solution from acid leaching of emission control dust/sludge from secondary lead smelting.\nK106 Sludges from the mercury cell processes for making chlorine.\nP010 Arsenic acid H3 AsO4\nP011 Arsenic oxide As2 O5\nP012 Arsenic trioxide\nP013 Barium cyanide\nP015 Beryllium\nP029 Copper cyanide Cu(CN)\nP074 Nickel cyanide Ni(CN)2\nP087 Osmium tetroxide\nP099 Potassium silver cyanide\nP104 Silver cyanide\nP113 Thallic oxide\nP114 Thallium (l) selenite\nP115 Thallium (l) sulfate\nP119 Ammonium vanadate\nP120 Vanadium oxide V2 O5\nP121 Zinc cyanide.\nU032 Calcium chromate.\nU145 Lead phosphate.\nU151 Mercury.\nU204 Selenious acid.\nU205 Selenium disulfide.\nU216 Thallium (I) chloride.\nU217 Thallium (I) nitrate.\n1 A combustion unit is defined as any thermal technology subject to 40 CFR part 264, subpart O; Part 265, subpart O; and/or 266, subpart H.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 268—LAND DISPOSAL RESTRICTIONS"],"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":"8dee3dc236434ab02e2a7e2522cef9fb771f59952a7d872ff50752563ff1b2a8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-x-to-part-268","next":"us/40-cfr-270.1"},"notice":"GroundRules: Original legal text. Not legal advice."}