{"data":{"id":"us/40-cfr-appendix-vii-to-part-261","jurisdiction":"us","citation":"40 CFR Appendix VII to Part 261","heading":"Appendix VII to Part 261—Basis for Listing Hazardous Waste","body":"EPA hazardous waste No. Hazardous constituents for which listed\nF001 Tetrachloroethylene, methylene chloride trichloroethylene, 1,1,1-trichloroethane, carbon tetrachloride, chlorinated fluorocarbons.\nF002 Tetrachloroethylene, methylene chloride, trichloroethylene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, chlorobenzene, 1,1,2-trichloro-1,2,2-trifluoroethane, ortho-dichlorobenzene, trichlorofluoromethane.\nF003 N.A.\nF004 Cresols and cresylic acid, nitrobenzene.\nF005 Toluene, methyl ethyl ketone, carbon disulfide, isobutanol, pyridine, 2-ethoxyethanol, benzene, 2-nitropropane.\nF006 Cadmium, hexavalent chromium, nickel, cyanide (complexed).\nF007 Cyanide (salts).\nF008 Cyanide (salts).\nF009 Cyanide (salts).\nF010 Cyanide (salts).\nF011 Cyanide (salts).\nF012 Cyanide (complexed).\nF019 Hexavalent chromium, cyanide (complexed).\nF020 Tetra- and pentachlorodibenzo-p-dioxins; tetra and pentachlorodi-benzofurans; tri- and tetrachlorophenols and their chlorophenoxy derivative acids, esters, ethers, amine and other salts.\nF021 Penta- and hexachlorodibenzo-p- dioxins; penta- and hexachlorodibenzofurans; pentachlorophenol and its derivatives.\nF022 Tetra-, penta-, and hexachlorodibenzo-p-dioxins; tetra-, penta-, and hexachlorodibenzofurans.\nF023 Tetra-, and pentachlorodibenzo-p-dioxins; tetra- and pentachlorodibenzofurans; tri- and tetrachlorophenols and their chlorophenoxy derivative acids, esters, ethers, amine and other salts.\nF024 Chloromethane, dichloromethane, trichloromethane, carbon tetrachloride, chloroethylene, 1,1-dichloroethane, 1,2-dichloroethane, trans-1-2-dichloroethylene, 1,1-dichloroethylene, 1,1,1-trichloroethane, 1,1,2-trichloroethane, trichloroethylene, 1,1,1,2-tetra-chloroethane, 1,1,2,2-tetrachloroethane, tetrachloroethylene, pentachloroethane, hexachloroethane, allyl chloride (3-chloropropene), dichloropropane, dichloropropene, 2-chloro-1,3-butadiene, hexachloro-1,3-butadiene, hexachlorocyclopentadiene, hexachlorocyclohexane, benzene, chlorbenzene, dichlorobenzenes, 1,2,4-trichlorobenzene, tetrachlorobenzene, pentachlorobenzene, hexachlorobenzene, toluene, naphthalene.\nF025 Chloromethane; Dichloromethane; Trichloromethane; Carbon tetrachloride; Chloroethylene; 1,1-Dichloroethane; 1,2-Dichloroethane; trans-1,2-Dichloroethylene; 1,1-Dichloroethylene; 1,1,1-Trichloroethane; 1,1,2-Trichloroethane; Trichloroethylene; 1,1,1,2-Tetrachloroethane; 1,1,2,2-Tetrachloroethane; Tetrachloroethylene; Pentachloroethane; Hexachloroethane; Allyl chloride (3-Chloropropene); Dichloropropane; Dichloropropene; 2-Chloro-1,3-butadiene; Hexachloro-1,3-butadiene; Hexachlorocyclopentadiene; Benzene; Chlorobenzene; Dichlorobenzene; 1,2,4-Trichlorobenzene; Tetrachlorobenzene; Pentachlorobenzene; Hexachlorobenzene; Toluene; Naphthalene.\nF026 Tetra-, penta-, and hexachlorodibenzo-p-dioxins; tetra-, penta-, and hexachlorodibenzofurans.\nF027 Tetra-, penta-, and hexachlorodibenzo-p- dioxins; tetra-, penta-, and hexachlorodibenzofurans; tri-, tetra-, and pentachlorophenols and their chlorophenoxy derivative acids, esters, ethers, amine and other salts.\nF028 Tetra-, penta-, and hexachlorodibenzo-p- dioxins; tetra-, penta-, and hexachlorodibenzofurans; tri-, tetra-, and pentachlorophenols and their chlorophenoxy derivative acids, esters, ethers, amine and other salts.\nF032 Benz(a)anthracene, benzo(a)pyrene, dibenz(a,h)-anthracene, indeno(1,2,3-cd)pyrene, pentachlorophenol, arsenic, chromium, tetra-, penta-, hexa-, heptachlorodibenzo-p-dioxins, tetra-, penta-, hexa-, heptachlorodibenzofurans.\nF034 Benz(a)anthracene, benzo(k)fluoranthene, benzo(a)pyrene, dibenz(a,h)anthracene, indeno(1,2,3-cd)pyrene, naphthalene, arsenic, chromium.\nF035 Arsenic, chromium, lead.\nF037 Benzene, benzo(a)pyrene, chrysene, lead, chromium.\nF038 Benzene, benzo(a)pyrene, chrysene, lead, chromium.\nF039 All constituents for which treatment standards are specified for multi-source leachate (wastewaters and nonwastewaters) under 40 CFR 268.43, Table CCW.\nK001 Pentachlorophenol, phenol, 2-chlorophenol, p-chloro-m-cresol, 2,4-dimethylphenyl, 2,4-dinitrophenol, trichlorophenols, tetrachlorophenols, 2,4-dinitrophenol, creosote, chrysene, naphthalene, fluoranthene, benzo(b)fluoranthene, benzo(a)pyrene, indeno(1,2,3-cd)pyrene, benz(a)anthracene, dibenz(a)anthracene, acenaphthalene.\nK002 Hexavalent chromium, lead\nK003 Hexavalent chromium, lead.\nK004 Hexavalent chromium.\nK005 Hexavalent chromium, lead.\nK006 Hexavalent chromium.\nK007 Cyanide (complexed), hexavalent chromium.\nK008 Hexavalent chromium.\nK009 Chloroform, formaldehyde, methylene chloride, methyl chloride, paraldehyde, formic acid.\nK010 Chloroform, formaldehyde, methylene chloride, methyl chloride, paraldehyde, formic acid, chloroacetaldehyde.\nK011 Acrylonitrile, acetonitrile, hydrocyanic acid.\nK013 Hydrocyanic acid, acrylonitrile, acetonitrile.\nK014 Acetonitrile, acrylamide.\nK015 Benzyl chloride, chlorobenzene, toluene, benzotrichloride.\nK016 Hexachlorobenzene, hexachlorobutadiene, carbon tetrachloride, hexachloroethane, perchloroethylene.\nK017 Epichlorohydrin, chloroethers [bis(chloromethyl) ether and bis (2-chloroethyl) ethers], trichloropropane, dichloropropanols.\nK018 1,2-dichloroethane, trichloroethylene, hexachlorobutadiene, hexachlorobenzene.\nK019 Ethylene dichloride, 1,1,1-trichloroethane, 1,1,2-trichloroethane, tetrachloroethanes (1,1,2,2-tetrachloroethane and 1,1,1,2-tetrachloroethane), trichloroethylene, tetrachloroethylene, carbon tetrachloride, chloroform, vinyl chloride, vinylidene chloride.\nK020 Ethylene dichloride, 1,1,1-trichloroethane, 1,1,2-trichloroethane, tetrachloroethanes (1,1,2,2-tetrachloroethane and 1,1,1,2-tetrachloroethane), trichloroethylene, tetrachloroethylene, carbon tetrachloride, chloroform, vinyl chloride, vinylidene chloride.\nK021 Antimony, carbon tetrachloride, chloroform.\nK022 Phenol, tars (polycyclic aromatic hydrocarbons).\nK023 Phthalic anhydride, maleic anhydride.\nK024 Phthalic anhydride, 1,4-naphthoquinone.\nK025 Meta-dinitrobenzene, 2,4-dinitrotoluene.\nK026 Paraldehyde, pyridines, 2-picoline.\nK027 Toluene diisocyanate, toluene-2, 4-diamine.\nK028 1,1,1-trichloroethane, vinyl chloride.\nK029 1,2-dichloroethane, 1,1,1-trichloroethane, vinyl chloride, vinylidene chloride, chloroform.\nK030 Hexachlorobenzene, hexachlorobutadiene, hexachloroethane, 1,1,1,2-tetrachloroethane, 1,1,2,2-tetrachloroethane, ethylene dichloride.\nK031 Arsenic.\nK032 Hexachlorocyclopentadiene.\nK033 Hexachlorocyclopentadiene.\nK034 Hexachlorocyclopentadiene.\nK035 Creosote, chrysene, naphthalene, fluoranthene benzo(b) fluoranthene, benzo(a)pyrene, indeno(1,2,3-cd) pyrene, benzo(a)anthracene, dibenzo(a)anthracene, acenaphthalene.\nK036 Toluene, phosphorodithioic and phosphorothioic acid esters.\nK037 Toluene, phosphorodithioic and phosphorothioic acid esters.\nK038 Phorate, formaldehyde, phosphorodithioic and phosphorothioic acid esters.\nK039 Phosphorodithioic and phosphorothioic acid esters.\nK040 Phorate, formaldehyde, phosphorodithioic and phosphorothioic acid esters.\nK041 Toxaphene.\nK042 Hexachlorobenzene, ortho-dichlorobenzene.\nK043 2,4-dichlorophenol, 2,6-dichlorophenol, 2,4,6-trichlorophenol.\nK044 N.A.\nK045 N.A.\nK046 Lead.\nK047 N.A.\nK048 Hexavalent chromium, lead.\nK049 Hexavalent chromium, lead.\nK050 Hexavalent chromium.\nK051 Hexavalent chromium, lead.\nK052 Lead.\nK060 Cyanide, napthalene, phenolic compounds, arsenic.\nK061 Hexavalent chromium, lead, cadmium.\nK062 Hexavalent chromium, lead.\nK069 Hexavalent chromium, lead, cadmium.\nK071 Mercury.\nK073 Chloroform, carbon tetrachloride, hexachloroethane, trichloroethane, tetrachloroethylene, dichloroethylene, 1,1,2,2-tetrachloroethane.\nK083 Aniline, diphenylamine, nitrobenzene, phenylenediamine.\nK084 Arsenic.\nK085 Benzene, dichlorobenzenes, trichlorobenzenes, tetrachlorobenzenes, pentachlorobenzene, hexachlorobenzene, benzyl chloride.\nK086 Lead, hexavalent chromium.\nK087 Phenol, naphthalene.\nK088 Cyanide (complexes).\nK093 Phthalic anhydride, maleic anhydride.\nK094 Phthalic anhydride.\nK095 1,1,2-trichloroethane, 1,1,1,2-tetrachloroethane, 1,1,2,2-tetrachloroethane.\nK096 1,2-dichloroethane, 1,1,1-trichloroethane, 1,1,2-trichloroethane.\nK097 Chlordane, heptachlor.\nK098 Toxaphene.\nK099 2,4-dichlorophenol, 2,4,6-trichlorophenol.\nK100 Hexavalent chromium, lead, cadmium.\nK101 Arsenic.\nK102 Arsenic.\nK103 Aniline, nitrobenzene, phenylenediamine.\nK104 Aniline, benzene, diphenylamine, nitrobenzene, phenylenediamine.\nK105 Benzene, monochlorobenzene, dichlorobenzenes, 2,4,6-trichlorophenol.\nK106 Mercury.\nK107 1,1-Dimethylhydrazine (UDMH).\nK108 1,1-Dimethylhydrazine (UDMH).\nK109 1,1-Dimethylhydrazine (UDMH).\nK110 1,1-Dimethylhydrazine (UDMH).\nK111 2,4-Dinitrotoluene.\nK112 2,4-Toluenediamine, o-toluidine, p-toluidine, aniline.\nK113 2,4-Toluenediamine, o-toluidine, p-toluidine, aniline.\nK114 2,4-Toluenediamine, o-toluidine, p-toluidine.\nK115 2,4-Toluenediamine.\nK116 Carbon tetrachloride, tetrachloroethylene, chloroform, phosgene.\nK117 Ethylene dibromide.\nK118 Ethylene dibromide.\nK123 Ethylene thiourea.\nK124 Ethylene thiourea.\nK125 Ethylene thiourea.\nK126 Ethylene thiourea.\nK131 Dimethyl sulfate, methyl bromide.\nK132 Methyl bromide.\nK136 Ethylene dibromide.\nK141 Benzene, benz(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, dibenz(a,h)anthracene, indeno(1,2,3-cd)pyrene.\nK142 Benzene, benz(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, dibenz(a,h)anthracene, indeno(1,2,3-cd)pyrene.\nK143 Benzene, benz(a)anthracene, benzo(b)fluoranthene, benzo(k)fluoranthene.\nK144 Benzene, benz(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, dibenz(a,h)anthracene.\nK145 Benzene, benz(a)anthracene, benzo(a)pyrene, dibenz(a,h)anthracene, naphthalene.\nK147 Benzene, benz(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, dibenz(a,h)anthracene, indeno(1,2,3-cd)pyrene.\nK148 Benz(a)anthracene, benzo(a)pyrene, benzo(b)fluoranthene, benzo(k)fluoranthene, dibenz(a,h)anthracene, indeno(1,2,3-cd)pyrene.\nK149 Benzotrichloride, benzyl chloride, chloroform, chloromethane, chlorobenzene, 1,4-dichlorobenzene, hexachlorobenzene, pentachlorobenzene, 1,2,4,5-tetrachlorobenzene, toluene.\nK150 Carbon tetrachloride, chloroform, chloromethane, 1,4-dichlorobenzene, hexachlorobenzene, pentachlorobenzene, 1,2,4,5-tetrachlorobenzene, 1,1,2,2-tetrachloroethane, tetrachloroethylene, 1,2,4-trichlorobenzene.\nK151 Benzene, carbon tetrachloride, chloroform, hexachlorobenzene, pentachlorobenzene, toluene, 1,2,4,5-tetrachlorobenzene, tetrachloroethylene.\nK156 Benomyl, carbaryl, carbendazim, carbofuran, carbosulfan, formaldehyde, methylene chloride, triethylamine.\nK157 Carbon tetrachloride, formaldehyde, methyl chloride, methylene chloride, pyridine, triethylamine.\nK158 Benomyl, carbendazim, carbofuran, carbosulfan, chloroform, methylene chloride.\nK159 Benzene, butylate, eptc, molinate, pebulate, vernolate.\nK161 Antimony, arsenic, metam-sodium, ziram.\nK169 Benzene.\nK170 Benzo(a)pyrene, dibenz(a,h)anthracene, benzo (a) anthracene, benzo (b)fluoranthene, benzo(k)fluoranthene, 3-methylcholanthrene, 7, 12-dimethylbenz(a)anthracene.\nK171 Benzene, arsenic.\nK172 Benzene, arsenic.\nK174 1,2,3,4,6,7,8-Heptachlorodibenzo-p-dioxin (1,2,3,4,6,7,8-HpCDD), 1,2,3,4,6,7,8-Heptachlorodibenzofuran (1,2,3,4,6,7,8-HpCDF), 1,2,3,4,7,8,9-Heptachlorodibenzofuran (1,2,3,6,7,8,9-HpCDF), HxCDDs (All Hexachlorodibenzo-p-dioxins), HxCDFs (All Hexachlorodibenzofurans), PeCDDs (All Pentachlorodibenzo-p-dioxins), OCDD (1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin, OCDF (1,2,3,4,6,7,8,9-Octachlorodibenzofuran), PeCDFs (All Pentachlorodibenzofurans), TCDDs (All tetrachlorodi-benzo-p-dioxins), TCDFs (All tetrachlorodibenzofurans).\nK175 Mercury\nK176 Arsenic, Lead.\nK177 Antimony.\nK178 Thallium.\nK181 Aniline, o-anisidine, 4-chloroaniline, p-cresidine, 2,4-dimethylaniline, 1,2-phenylenediamine, 1,3-phenylenediamine.\nN.A.—Waste is hazardous because it fails the test for the characteristic of ignitability, corrosivity, or reactivity.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 261—IDENTIFICATION AND LISTING OF HAZARDOUS WASTE"],"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":"f6a3e178392cf14f21c2ff74f8a19a3cda4bd65d15e202cf7ff0f18fd7091f0d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-vi-to-part-261-reserved-for-etiologic-agents","next":"us/40-cfr-appendix-viii-to-part-261"},"notice":"GroundRules: Original legal text. Not legal advice."}