40 C.F.R. Appendix VIII to Part 261
Hazardous Constituents
Cite as 40 C.F.R. Appendix VIII to Part 261 (2026)
Common name Chemical abstracts name Chemical abstracts No. Hazardous waste No. A2213 Ethanimidothioic acid, 2- (dimethylamino) -N-hydroxy-2-oxo-, methyl ester 30558-43-1 U394 Acetonitrile Same 75-05-8 U003 Acetophenone Ethanone, 1-phenyl- 98-86-2 U004 2-Acetylaminefluarone Acetamide, N-9H-fluoren-2-yl- 53-96-3 U005 Acetyl chloride Same 75-36-5 U006 1-Acetyl-2-thiourea Acetamide, N-(aminothioxomethyl)- 591-08-2 P002 Acrolein 2-Propenal 107-02-8 P003 Acrylamide 2-Propenamide 79-06-1 U007 Acrylonitrile 2-Propenenitrile 107-13-1 U009 Aflatoxins Same 1402-68-2 Aldicarb Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime 116-06-3 P070 Aldicarb sulfone Propanal, 2-methyl-2- (methylsulfonyl) -, O-[(methylamino) carbonyl] oxime 1646-88-4 P203 Aldrin 1,4,5,8-Dimethanonaphthalene, 1,2,3,4,10,10-10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta,5alpha,8alpha, 8abeta)- 309-00-2 P004 Allyl alcohol 2-Propen-1-ol 107-18-6 P005 Allyl chloride 1-Propane, 3-chloro 107-05-1 Aluminum phosphide Same 20859-73-8 P006 4-Aminobiphenyl [1,1′-Biphenyl]-4-amine 92-67-1 5-(Aminomethyl)-3-isoxazolol 3(2H)-Isoxazolone, 5-(aminomethyl)- 2763-96-4 P007 4-Aminopyridine 4-Pyridinamine 504-24-5 P008 Amitrole 1H-1,2,4-Triazol-3-amine 61-82-5 U011 Ammonium vanadate Vanadic acid, ammonium salt 7803-55-6 P119 Aniline Benzenamine 62-53-3 U012 o-Anisidine (2-methoxyaniline) Benzenamine, 2-Methoxy- 90-04-0 Antimony Same 7440-36-0 Antimony compounds, N.O.S. 1 Aramite Sulfurous acid, 2-chloroethyl 2-[4-(1,1-dimethylethyl)phenoxy]-1-methylethyl ester 140-57-8 Arsenic Same 7440-38-2 Arsenic compounds, N.O.S. 1 Arsenic acid Arsenic acid H 3 AsO 4 7778-39-4 P010 Arsenic pentoxide Arsenic oxide As 2 O 5 1303-28-2 P011 Arsenic trioxide Arsenic oxide As 2 O 3 1327-53-3 P012 Auramine Benzenamine, 4,4′-carbonimidoylbis[N,N-dimethyl 492-80-8 U014 Azaserine L-Serine, diazoacetate (ester) 115-02-6 U015 Barban Carbamic acid, (3-chlorophenyl) -, 4-chloro-2-butynyl ester 101-27-9 U280 Barium Same 7440-39-3 Barium compounds, N.O.S. 1 Barium cyanide Same 542-62-1 P013 Bendiocarb 1,3-Benzodioxol-4-ol, 2,2-dimethyl-, methyl carbamate 22781-23-3 U278 Bendiocarb phenol 1,3-Benzodioxol-4-ol, 2,2-dimethyl-, 22961-82-6 U364 Benomyl Carbamic acid, [1- [(butylamino) carbonyl]- 1H-benzimidazol-2-yl] -, methyl ester 17804-35-2 U271 Benz[c]acridine Same 225-51-4 U016 Benz[a]anthracene Same 56-55-3 U018 Benzal chloride Benzene, (dichloromethyl)- 98-87-3 U017 Benzene Same 71-43-2 U019 Benzenearsonic acid Arsonic acid, phenyl- 98-05-5 Benzidine [1,1′-Biphenyl]-4,4′-diamine 92-87-5 U021 Benzo[b]fluoranthene Benz[e]acephenanthrylene 205-99-2 Benzo[j]fluoranthene Same 205-82-3 Benzo(k)fluoranthene Same 207-08-9 Benzo[a]pyrene Same 50-32-8 U022 p-Benzoquinone 2,5-Cyclohexadiene-1,4-dione 106-51-4 U197 Benzotrichloride Benzene, (trichloromethyl)- 98-07-7 U023 Benzyl chloride Benzene, (chloromethyl)- 100-44-7 P028 Beryllium powder Same 7440-41-7 P015 Beryllium compounds, N.O.S. 1 Bis(pentamethylene)-thiuram tetrasulfide Piperidine, 1,1′-(tetrathiodicarbonothioyl)-bis- 120-54-7 Bromoacetone 2-Propanone, 1-bromo- 598-31-2 P017 Bromoform Methane, tribromo- 75-25-2 U225 4-Bromophenyl phenyl ether Benzene, 1-bromo-4-phenoxy- 101-55-3 U030 Brucine Strychnidin-10-one, 2,3-dimethoxy- 357-57-3 P018 Butyl benzyl phthalate 1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester 85-68-7 Butylate Carbamothioic acid, bis(2-methylpropyl)-, S-ethyl ester 2008-41-5 Cacodylic acid Arsinic acid, dimethyl- 75-60-5 U136 Cadmium Same 7440-43-9 Cadmium compounds, N.O.S. 1 Calcium chromate Chromic acid H 2 CrO 4 , calcium salt 13765-19-0 U032 Calcium cyanide Calcium cyanide Ca(CN) 2 592-01-8 P021 Carbaryl 1-Naphthalenol, methylcarbamate 63-25-2 U279 Carbendazim Carbamic acid, 1H-benzimidazol-2-yl, methyl ester 10605-21-7 U372 Carbofuran 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-, methylcarbamate 1563-66-2 P127 Carbofuran phenol 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl- 1563-38-8 U367 Carbon disulfide Same 75-15-0 P022 Carbon oxyfluoride Carbonic difluoride 353-50-4 U033 Carbon tetrachloride Methane, tetrachloro- 56-23-5 U211 Carbosulfan Carbamic acid, [(dibutylamino) thio] methyl-, 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester 55285-14-8 P189 Chloral Acetaldehyde, trichloro- 75-87-6 U034 Chlorambucil Benzenebutanoic acid, 4-[bis(2-chloroethyl)amino]- 305-03-3 U035 Chlordane 4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro- 57-74-9 U036 Chlordane (alpha and gamma isomers) U036 Chlorinated benzenes, N.O.S. 1 Chlorinated ethane, N.O.S. 1 Chlorinated fluorocarbons, N.O.S. 1 Chlorinated naphthalene, N.O.S. 1 Chlorinated phenol, N.O.S. 1 Chlornaphazin Naphthalenamine, N,N′-bis(2-chloroethyl)- 494-03-1 U026 Chloroacetaldehyde Acetaldehyde, chloro- 107-20-0 P023 Chloroalkyl ethers, N.O.S. 1 p-Chloroaniline Benzenamine, 4-chloro- 106-47-8 P024 Chlorobenzene Benzene, chloro- 108-90-7 U037 Chlorobenzilate Benzeneacetic acid, 4-chloro-alpha-(4-chlorophenyl)-alpha-hydroxy-, ethyl ester 510-15-6 U038 p-Chloro-m-cresol Phenol, 4-chloro-3-methyl- 59-50-7 U039 2-Chloroethyl vinyl ether Ethene, (2-chloroethoxy)- 110-75-8 U042 Chloroform Methane, trichloro- 67-66-3 U044 Chloromethyl methyl ether Methane, chloromethoxy- 107-30-2 U046 beta-Chloronaphthalene Naphthalene, 2-chloro- 91-58-7 U047 o-Chlorophenol Phenol, 2-chloro- 95-57-8 U048 1-(o-Chlorophenyl)thiourea Thiourea, (2-chlorophenyl)- 5344-82-1 P026 Chloroprene 1,3-Butadiene, 2-chloro- 126-99-8 3-Chloropropionitrile Propanenitrile, 3-chloro- 542-76-7 P027 Chromium Same 7440-47-3 Chromium compounds, N.O.S. 1 Chrysene Same 218-01-9 U050 Citrus red No. 2 2-Naphthalenol, 1-[(2,5-dimethoxyphenyl)azo]- 6358-53-8 Coal tar creosote Same 8007-45-2 Copper cyanide Copper cyanide CuCN 544-92-3 P029 Copper dimethyldithiocarbamate Copper, bis(dimethylcarbamodithioato-S,S′)-, 137-29-1 Creosote Same U051 p-Cresidine 2-Methoxy-5-methylbenzenamine 120-71-8 Cresol (Cresylic acid) Phenol, methyl- 1319-77-3 U052 Crotonaldehyde 2-Butenal 4170-30-3 U053 m-Cumenyl methylcarbamate Phenol, 3-(methylethyl)-, methyl carbamate 64-00-6 P202 Cyanides (soluble salts and complexes) N.O.S. 1 P030 Cyanogen Ethanedinitrile 460-19-5 P031 Cyanogen bromide Cyanogen bromide (CN)Br 506-68-3 U246 Cyanogen chloride Cyanogen chloride (CN)Cl 506-77-4 P033 Cycasin beta-D-Glucopyranoside, (methyl-ONN-azoxy)methyl 14901-08-7 Cycloate Carbamothioic acid, cyclohexylethyl-, S-ethyl ester 1134-23-2 2-Cyclohexyl-4,6-dinitrophenol Phenol, 2-cyclohexyl-4,6-dinitro- 131-89-5 P034 Cyclophosphamide 2H-1,3,2-Oxazaphosphorin-2-amine, N,N-bis(2-chloroethyl)tetrahydro-, 2-oxide 50-18-0 U058 2,4-D Acetic acid, (2,4-dichlorophenoxy)- 94-75-7 U240 2,4-D, salts, esters U240 Daunomycin 5,12-Naphthacenedione, 8-acetyl-10-[(3-amino-2,3,6-trideoxy-alpha-L-lyxo- hexopyranosyl)oxy]-7,8,9,10-tetrahydro-6,8,11-trihydroxy-1-methoxy-, (8S-cis)- 20830-81-3 U059 Dazomet 2H-1,3,5-thiadiazine-2-thione, tetrahydro-3,5-dimethyl 533-74-4 DDD Benzene, 1,1′-(2,2-dichloroethylidene)bis[4-chloro- 72-54-8 U060 DDE Benzene, 1,1′-(dichloroethenylidene)bis[4-chloro- 72-55-9 DDT Benzene, 1,1′-(2,2,2-trichloroethylidene)bis[4-chloro- 50-29-3 U061 Diallate Carbamothioic acid, bis(1-methylethyl)-, S-(2,3-dichloro-2-propenyl) ester 2303-16-4 U062 Dibenz[a,h]acridine Same 226-36-8 Dibenz[a,j]acridine Same 224-42-0 Dibenz[a,h]anthracene Same 53-70-3 U063 7H-Dibenzo[c,g]carbazole Same 194-59-2 Dibenzo[a,e]pyrene Naphtho[1,2,3,4-def]chrysene 192-65-4 Dibenzo[a,h]pyrene Dibenzo[b,def]chrysene 189-64-0 Dibenzo[a,i]pyrene Benzo[rst]pentaphene 189-55-9 U064 1,2-Dibromo-3-chloropropane Propane, 1,2-dibromo-3-chloro- 96-12-8 U066 Dibutyl phthalate 1,2-Benzenedicarboxylic acid, dibutyl ester 84-74-2 U069 o-Dichlorobenzene Benzene, 1,2-dichloro- 95-50-1 U070 m-Dichlorobenzene Benzene, 1,3-dichloro- 541-73-1 U071 p-Dichlorobenzene Benzene, 1,4-dichloro- 106-46-7 U072 Dichlorobenzene, N.O.S. 1 Benzene, dichloro- 25321-22-6 3,3′-Dichlorobenzidine [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dichloro- 91-94-1 U073 1,4-Dichloro-2-butene 2-Butene, 1,4-dichloro- 764-41-0 U074 Dichlorodifluoromethane Methane, dichlorodifluoro- 75-71-8 U075 Dichloroethylene, N.O.S. 1 Dichloroethylene 25323-30-2 1,1-Dichloroethylene Ethene, 1,1-dichloro- 75-35-4 U078 1,2-Dichloroethylene Ethene, 1,2-dichloro-, (E)- 156-60-5 U079 Dichloroethyl ether Ethane, 1,1′oxybis[2-chloro- 111-44-4 U025 Dichloroisopropyl ether Propane, 2,2′-oxybis[2-chloro- 108-60-1 U027 Dichloromethoxy ethane Ethane, 1,1′-[methylenebis(oxy)]bis[2-chloro- 111-91-1 U024 Dichloromethyl ether Methane, oxybis[chloro- 542-88-1 P016 2,4-Dichlorophenol Phenol, 2,4-dichloro- 120-83-2 U081 2,6-Dichlorophenol Phenol, 2,6-dichloro- 87-65-0 U082 Dichlorophenylarsine Arsonous dichloride, phenyl- 696-28-6 P036 Dichloropropane, N.O.S. 1 Propane, dichloro- 26638-19-7 Dichloropropanol, N.O.S. 1 Propanol, dichloro- 26545-73-3 Dichloropropene, N.O.S. 1 1-Propene, dichloro- 26952-23-8 1,3-Dichloropropene 1-Propene, 1,3-dichloro- 542-75-6 U084 Dieldrin 2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aalpha,2beta,2aalpha,3beta,6beta, 6aalpha,7beta,7aalpha)- 60-57-1 P037 1,2:3,4-Diepoxybutane 2,2′-Bioxirane 1464-53-5 U085 Diethylarsine Arsine, diethyl- 692-42-2 P038 Diethylene glycol, dicarbamate Ethanol, 2,2′-oxybis-, dicarbamate 5952-26-1 U395 1,4-Diethyleneoxide 1,4-Dioxane 123-91-1 U108 Diethylhexyl phthalate 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl) ester 117-81-7 U028 N,N′-Diethylhydrazine Hydrazine, 1,2-diethyl- 1615-80-1 U086 O,O-Diethyl S-methyl dithiophosphate Phosphorodithioic acid, O,O-diethyl S-methyl ester 3288-58-2 U087 Diethyl-p-nitrophenyl phosphate Phosphoric acid, diethyl 4-nitrophenyl ester 311-45-5 P041 Diethyl phthalate 1,2-Benzenedicarboxylic acid, diethyl ester 84-66-2 U088 O,O-Diethyl O-pyrazinylphosphoro-thioate Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester 297-97-2 P040 Diethylstilbesterol Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E)- 56-53-1 U089 Dihydrosafrole 1,3-Benzodioxole, 5-propyl- 94-58-6 U090 Diisopropylfluorophosphate (DFP) Phosphorofluoridic acid, bis(1-methylethyl) ester 55-91-4 P043 Dimethoate Phosphorodithioic acid, O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester 60-51-5 P044 3,3′-Dimethoxybenzidine [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethoxy- 119-90-4 U091 p-Dimethylaminoazobenzene Benzenamine, N,N-dimethyl-4-(phenylazo)- 60-11-7 U093 2,4-Dimethylaniline (2,4-xylidine) Benzenamine, 2,4-dimethyl- 95-68-1 7,12-Dimethylbenz[a]anthracene Benz[a]anthracene, 7,12-dimethyl- 57-97-6 U094 3,3′-Dimethylbenzidine [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethyl- 119-93-7 U095 Dimethylcarbamoyl chloride Carbamic chloride, dimethyl- 79-44-7 U097 1,1-Dimethylhydrazine Hydrazine, 1,1-dimethyl- 57-14-7 U098 1,2-Dimethylhydrazine Hydrazine, 1,2-dimethyl- 540-73-8 U099 alpha,alpha-Dimethylphenethylamine Benzeneethanamine, alpha,alpha-dimethyl- 122-09-8 P046 2,4-Dimethylphenol Phenol, 2,4-dimethyl- 105-67-9 U101 Dimethyl phthalate 1,2-Benzenedicarboxylic acid, dimethyl ester 131-11-3 U102 Dimethyl sulfate Sulfuric acid, dimethyl ester 77-78-1 U103 Dimetilan Carbamic acid, dimethyl-, 1- [(dimethylamino) carbonyl]-5-methyl-1H-pyrazol-3-yl ester 644-64-4 P191 Dinitrobenzene, N.O.S. 1 Benzene, dinitro- 25154-54-5 4,6-Dinitro-o-cresol Phenol, 2-methyl-4,6-dinitro- 534-52-1 P047 4,6-Dinitro-o-cresol salts P047 2,4-Dinitrophenol Phenol, 2,4-dinitro- 51-28-5 P048 2,4-Dinitrotoluene Benzene, 1-methyl-2,4-dinitro- 121-14-2 U105 2,6-Dinitrotoluene Benzene, 2-methyl-1,3-dinitro- 606-20-2 U106 Dinoseb Phenol, 2-(1-methylpropyl)-4,6-dinitro- 88-85-7 P020 Di-n-octyl phthalate 1,2-Benzenedicarboxylic acid, dioctyl ester 117-84-0 U017 Diphenylamine Benzenamine, N-phenyl- 122-39-4 1,2-Diphenylhydrazine Hydrazine, 1,2-diphenyl- 122-66-7 U109 Di-n-propylnitrosamine 1-Propanamine, N-nitroso-N-propyl- 621-64-7 U111 Disulfiram Thioperoxydicarbonic diamide, tetraethyl 97-77-8 Disulfoton Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester 298-04-4 P039 Dithiobiuret Thioimidodicarbonic diamide [(H 2 N)C(S)] 2 NH 541-53-7 P049 Endosulfan 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a- hexahydro-, 3-oxide 115-29-7 P050 Endothall 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid 145-73-3 P088 Endrin 2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octa-hydro-, (1aalpha,2beta,2abeta,3alpha,6alpha, 6abeta,7beta,7aalpha)- 72-20-8 P051 Endrin metabolites P051 Epichlorohydrin Oxirane, (chloromethyl)- 106-89-8 U041 Epinephrine 1,2-Benzenediol, 4-[1-hydroxy-2-(methylamino)ethyl]-, (R)- 51-43-4 P042 EPTC Carbamothioic acid, dipropyl-, S-ethyl ester 759-94-4 Ethyl carbamate (urethane) Carbamic acid, ethyl ester 51-79-6 U238 Ethyl cyanide Propanenitrile 107-12-0 P101 Ethyl Ziram Zinc, bis(diethylcarbamodithioato-S,S′)- 14324-55-1 Ethylenebisdithiocarbamic acid Carbamodithioic acid, 1,2-ethanediylbis- 111-54-6 U114 Ethylenebisdithiocarbamic acid, salts and esters U114 Ethylene dibromide Ethane, 1,2-dibromo- 106-93-4 U067 Ethylene dichloride Ethane, 1,2-dichloro- 107-06-2 U077 Ethylene glycol monoethyl ether Ethanol, 2-ethoxy- 110-80-5 U359 Ethyleneimine Aziridine 151-56-4 P054 Ethylene oxide Oxirane 75-21-8 U115 Ethylenethiourea 2-Imidazolidinethione 96-45-7 U116 Ethylidene dichloride Ethane, 1,1-dichloro- 75-34-3 U076 Ethyl methacrylate 2-Propenoic acid, 2-methyl-, ethyl ester 97-63-2 U118 Ethyl methanesulfonate Methanesulfonic acid, ethyl ester 62-50-0 U119 Famphur Phosphorothioic acid, O-[4-[(dimethylamino)sulfonyl]phenyl] O,O-dimethyl ester 52-85-7 P097 Ferbam Iron, tris(dimethylcarbamodithioato-S,S′)-, 14484-64-1 Fluoranthene Same 206-44-0 U120 Fluorine Same 7782-41-4 P056 Fluoroacetamide Acetamide, 2-fluoro- 640-19-7 P057 Fluoroacetic acid, sodium salt Acetic acid, fluoro-, sodium salt 62-74-8 P058 Formaldehyde Same 50-00-0 U122 Formetanate hydrochloride Methanimidamide, N,N-dimethyl-N′-[3-[[(methylamino) carbonyl]oxy]phenyl]-, monohydrochloride 23422-53-9 P198 Formic acid Same 64-18-6 U123 Formparanate Methanimidamide, N,N-dimethyl-N′-[2-methyl-4-[[(methylamino) carbonyl]oxy]phenyl]- 17702-57-7 P197 Glycidylaldehyde Oxiranecarboxyaldehyde 765-34-4 U126 Halomethanes, N.O.S. 1 Heptachlor 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro- 76-44-8 P059 Heptachlor epoxide 2,5-Methano-2H-indeno[1,2-b]oxirene, 2,3,4,5,6,7,7-heptachloro-1a,1b,5,5a,6,6a-hexa- hydro-, (1aalpha,1bbeta,2alpha,5alpha, 5abeta,6beta,6aalpha)- 1024-57-3 Heptachlor epoxide (alpha, beta, and gamma isomers) Heptachlorodibenzofurans Heptachlorodibenzo-p-dioxins Hexachlorobenzene Benzene, hexachloro- 118-74-1 U127 Hexachlorobutadiene 1,3-Butadiene, 1,1,2,3,4,4-hexachloro- 87-68-3 U128 Hexachlorocyclopentadiene 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro- 77-47-4 U130 Hexachlorodibenzo-p-dioxins Hexachlorodibenzofurans Hexachloroethane Ethane, hexachloro- 67-72-1 U131 Hexachlorophene Phenol, 2,2′-methylenebis[3,4,6-trichloro- 70-30-4 U132 Hexachloropropene 1-Propene, 1,1,2,3,3,3-hexachloro- 1888-71-7 U243 Hexaethyl tetraphosphate Tetraphosphoric acid, hexaethyl ester 757-58-4 P062 Hydrazine Same 302-01-2 U133 Hydrogen cyanide Hydrocyanic acid 74-90-8 P063 Hydrogen fluoride Hydrofluoric acid 7664-39-3 U134 Hydrogen sulfide Hydrogen sulfide H 2 S 7783-06-4 U135 Indeno[1,2,3-cd]pyrene Same 193-39-5 U137 3-Iodo-2-propynyl n-butylcarbamate Carbamic acid, butyl-, 3-iodo-2-propynyl ester 55406-53-6 Isobutyl alcohol 1-Propanol, 2-methyl- 78-83-1 U140 Isodrin 1,4,5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-, (1alpha,4alpha,4abeta,5beta, 8beta,8abeta)- 465-73-6 P060 Isolan Carbamic acid, dimethyl-, 3-methyl-1-(1-methylethyl)-1H-pyrazol-5-yl ester 119-38-0 P192 Isosafrole 1,3-Benzodioxole, 5-(1-propenyl)- 120-58-1 U141 Kepone 1,3,4-Metheno-2H-cyclobuta[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro- 143-50-0 U142 Lasiocarpine 2-Butenoic acid, 2-methyl-,7-[[2,3-dihydroxy-2-(1-methoxyethyl)-3-methyl-1- oxobutoxy]methyl]-2,3,5,7a-tetrahydro-1H-pyrrolizin-1-yl ester, [1S-[1alpha(Z),7(2S*,3R*),7aalpha]]- 303-34-4 U143 Lead Same 7439-92-1 Lead compounds, N.O.S. 1 Lead acetate Acetic acid, lead(2 + ) salt 301-04-2 U144 Lead phosphate Phosphoric acid, lead(2 + ) salt (2:3) 7446-27-7 U145 Lead subacetate Lead, bis(acetato-O)tetrahydroxytri- 1335-32-6 U146 Lindane Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1alpha,2alpha,3beta,4alpha, 5alpha,6beta)- 58-89-9 U129 Maleic anhydride 2,5-Furandione 108-31-6 U147 Maleic hydrazide 3,6-Pyridazinedione, 1,2-dihydro- 123-33-1 U148 Malononitrile Propanedinitrile 109-77-3 U149 Manganese dimethyldithiocarbamate Manganese, bis(dimethylcarbamodithioato-S,S′)-, 15339-36-3 P196 Melphalan L-Phenylalanine, 4-[bis(2-chloroethyl)aminol]- 148-82-3 U150 Mercury Same 7439-97-6 U151 Mercury compounds, N.O.S. 1 Mercury fulminate Fulminic acid, mercury(2 + ) salt 628-86-4 P065 Metam Sodium Carbamodithioic acid, methyl-, monosodium salt 137-42-8 Methacrylonitrile 2-Propenenitrile, 2-methyl- 126-98-7 U152 Methapyrilene 1,2-Ethanediamine, N,N-dimethyl-N′-2-pyridinyl-N′-(2-thienylmethyl)- 91-80-5 U155 Methiocarb Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate 2032-65-7 P199 Methomyl Ethanimidothioic acid, N-[[(methylamino)carbonyl]oxy]-, methyl ester 16752-77-5 P066 Methoxychlor Benzene, 1,1′-(2,2,2-trichloroethylidene)bis[4-methoxy- 72-43-5 U247 Methyl bromide Methane, bromo- 74-83-9 U029 Methyl chloride Methane, chloro- 74-87-3 U045 Methyl chlorocarbonate Carbonochloridic acid, methyl ester 79-22-1 U156 Methyl chloroform Ethane, 1,1,1-trichloro- 71-55-6 U226 3-Methylcholanthrene Benz[j]aceanthrylene, 1,2-dihydro-3-methyl- 56-49-5 U157 4,4′-Methylenebis(2-chloroaniline) Benzenamine, 4,4′-methylenebis[2-chloro- 101-14-4 U158 Methylene bromide Methane, dibromo- 74-95-3 U068 Methylene chloride Methane, dichloro- 75-09-2 U080 Methyl ethyl ketone (MEK) 2-Butanone 78-93-3 U159 Methyl ethyl ketone peroxide 2-Butanone, peroxide 1338-23-4 U160 Methyl hydrazine Hydrazine, methyl- 60-34-4 P068 Methyl iodide Methane, iodo- 74-88-4 U138 Methyl isocyanate Methane, isocyanato- 624-83-9 P064 2-Methyllactonitrile Propanenitrile, 2-hydroxy-2-methyl- 75-86-5 P069 Methyl methacrylate 2-Propenoic acid, 2-methyl-, methyl ester 80-62-6 U162 Methyl methanesulfonate Methanesulfonic acid, methyl ester 66-27-3 Methyl parathion Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester 298-00-0 P071 Methylthiouracil 4(1H)-Pyrimidinone, 2,3-dihydro-6-methyl-2-thioxo- 56-04-2 U164 Metolcarb Carbamic acid, methyl-, 3-methylphenyl ester 1129-41-5 P190 Mexacarbate Phenol, 4-(dimethylamino)-3,5-dimethyl-, methylcarbamate (ester) 315-18-4 P128 Mitomycin C Azirino[2′,3′:3,4]pyrrolo[1,2-a]indole-4,7-dione, 6-amino-8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5- methyl-, [1aS-(1aalpha,8beta,8aalpha,8balpha)]-. 50-07-7 U010 MNNG Guanidine, N-methyl-N′-nitro-N-nitroso- 70-25-7 U163 Molinate 1H-Azepine-1-carbothioic acid, hexahydro-, S-ethyl ester 2212-67-1 Mustard gas Ethane, 1,1′-thiobis[2-chloro- 505-60-2 Naphthalene Same 91-20-3 U165 1,4-Naphthoquinone 1,4-Naphthalenedione 130-15-4 U166 alpha-Naphthylamine 1-Naphthalenamine 134-32-7 U167 beta-Naphthylamine 2-Naphthalenamine 91-59-8 U168 alpha-Naphthylthiourea Thiourea, 1-naphthalenyl- 86-88-4 P072 Nickel Same 7440-02-0 Nickel compounds, N.O.S. 1 Nickel carbonyl Nickel carbonyl Ni(CO) 4 , (T-4)- 13463-39-3 P073 Nickel cyanide Nickel cyanide Ni(CN) 2 557-19-7 P074 Nicotine Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)- 54-11-5 P075 Nicotine salts P075 Nitric oxide Nitrogen oxide NO 10102-43-9 P076 p-Nitroaniline Benzenamine, 4-nitro- 100-01-6 P077 Nitrobenzene Benzene, nitro- 98-95-3 U169 Nitrogen dioxide Nitrogen oxide NO 2 10102-44-0 P078 Nitrogen mustard Ethanamine, 2-chloro-N-(2-chloroethyl)-N-methyl- 51-75-2 Nitrogen mustard, hydrochloride salt Nitrogen mustard N-oxide Ethanamine, 2-chloro-N-(2-chloroethyl)-N-methyl-, N-oxide 126-85-2 Nitrogen mustard, N-oxide, hydro- chloride salt Nitroglycerin 1,2,3-Propanetriol, trinitrate 55-63-0 P081 p-Nitrophenol Phenol, 4-nitro- 100-02-7 U170 2-Nitropropane Propane, 2-nitro- 79-46-9 U171 Nitrosamines, N.O.S. 1 35576-91-1 N-Nitrosodi-n-butylamine 1-Butanamine, N-butyl-N-nitroso- 924-16-3 U172 N-Nitrosodiethanolamine Ethanol, 2,2′-(nitrosoimino)bis- 1116-54-7 U173 N-Nitrosodiethylamine Ethanamine, N-ethyl-N-nitroso- 55-18-5 U174 N-Nitrosodimethylamine Methanamine, N-methyl-N-nitroso- 62-75-9 P082 N-Nitroso-N-ethylurea Urea, N-ethyl-N-nitroso- 759-73-9 U176 N-Nitrosomethylethylamine Ethanamine, N-methyl-N-nitroso- 10595-95-6 N-Nitroso-N-methylurea Urea, N-methyl-N-nitroso- 684-93-5 U177 N-Nitroso-N-methylurethane Carbamic acid, methylnitroso-, ethyl ester 615-53-2 U178 N-Nitrosomethylvinylamine Vinylamine, N-methyl-N-nitroso- 4549-40-0 P084 N-Nitrosomorpholine Morpholine, 4-nitroso- 59-89-2 N-Nitrosonornicotine Pyridine, 3-(1-nitroso-2-pyrrolidinyl)-, (S)- 16543-55-8 N-Nitrosopiperidine Piperidine, 1-nitroso- 100-75-4 U179 N-Nitrosopyrrolidine Pyrrolidine, 1-nitroso- 930-55-2 U180 N-Nitrososarcosine Glycine, N-methyl-N-nitroso- 13256-22-9 5-Nitro-o-toluidine Benzenamine, 2-methyl-5-nitro- 99-55-8 U181 Octachlorodibenzo-p-dioxin (OCDD) 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin 3268-87-9 Octachlorodibenzofuran (OCDF) 1,2,3,4,6,7,8,9-Octachlorodibenofuran 39001-02-0 Octamethylpyrophosphoramide Diphosphoramide, octamethyl- 152-16-9 P085 Osmium tetroxide Osmium oxide OsO 4 , (T-4)- 20816-12-0 P087 Oxamyl Ethanimidothioc acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester 23135-22-0 P194 Paraldehyde 1,3,5-Trioxane, 2,4,6-trimethyl- 123-63-7 U182 Parathion Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester 56-38-2 P089 Pebulate Carbamothioic acid, butylethyl-, S-propyl ester 1114-71-2 Pentachlorobenzene Benzene, pentachloro- 608-93-5 U183 Pentachlorodibenzo-p-dioxins Pentachlorodibenzofurans Pentachloroethane Ethane, pentachloro- 76-01-7 U184 Pentachloronitrobenzene (PCNB) Benzene, pentachloronitro- 82-68-8 U185 Pentachlorophenol Phenol, pentachloro- 87-86-5 See F027 Phenacetin Acetamide, N-(4-ethoxyphenyl)- 62-44-2 U187 Phenol Same 108-95-2 U188 1,2-Phenylenediamine 1,2-Benzenediamine 95-54-5 1,3-Phenylenediamine 1,3-Benzenediamine 108-45-2 Phenylenediamine Benzenediamine 25265-76-3 Phenylmercury acetate Mercury, (acetato-O)phenyl- 62-38-4 P092 Phenylthiourea Thiourea, phenyl- 103-85-5 P093 Phosgene Carbonic dichloride 75-44-5 P095 Phosphine Same 7803-51-2 P096 Phorate Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester 298-02-2 P094 Phthalic acid esters, N.O.S. 1 Phthalic anhydride 1,3-Isobenzofurandione 85-44-9 U190 Physostigmine Pyrrolo[2,3-b]indol-5-01, 1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- 57-47-6 P204 Physostigmine salicylate Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethylpyrrolo [2,3-b]indol-5-yl methylcarbamate ester (1:1) 57-64-7 P188 2-Picoline Pyridine, 2-methyl- 109-06-8 U191 Polychlorinated biphenyls, N.O.S. 1 Potassium cyanide Potassium cyanide K(CN) 151-50-8 P098 Potassium dimethyldithiocarbamate Carbamodithioic acid, dimethyl, potassium salt 128-03-0 Potassium n-hydroxymethyl-n-methyl-dithiocarbamate Carbamodithioic acid, (hydroxymethyl)methyl-, monopotassium salt 51026-28-9 Potassium n-methyldithiocarbamate Carbamodithioic acid, methyl-monopotassium salt 137-41-7 Potassium pentachlorophenate Pentachlorophenol, potassium salt 7778736 None Potassium silver cyanide Argentate(1-), bis(cyano-C)-, potassium 506-61-6 P099 Promecarb Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate 2631-37-0 P201 Pronamide Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2-propynyl)- 23950-58-5 U192 1,3-Propane sultone 1,2-Oxathiolane, 2,2-dioxide 1120-71-4 U193 n-Propylamine 1-Propanamine 107-10-8 U194 Propargyl alcohol 2-Propyn-1-ol 107-19-7 P102 Propham Carbamic acid, phenyl-, 1-methylethyl ester 122-42-9 U373 Propoxur Phenol, 2-(1-methylethoxy)-, methylcarbamate 114-26-1 U411 Propylene dichloride Propane, 1,2-dichloro- 78-87-5 U083 1,2-Propylenimine Aziridine, 2-methyl- 75-55-8 P067 Propylthiouracil 4(1H)-Pyrimidinone, 2,3-dihydro-6-propyl-2-thioxo- 51-52-5 Prosulfocarb Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester 52888-80-9 U387 Pyridine Same 110-86-1 U196 Reserpine Yohimban-16-carboxylic acid, 11,17-dimethoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]-smethyl ester, (3beta,16beta,17alpha,18beta,20alpha)- 50-55-5 U200 Resorcinol 1,3-Benzenediol 108-46-3 U201 Safrole 1,3-Benzodioxole, 5-(2-propenyl)- 94-59-7 U203 Selenium Same 7782-49-2 Selenium compounds, N.O.S. 1 Selenium dioxide Selenious acid 7783-00-8 U204 Selenium sulfide Selenium sulfide SeS 2 7488-56-4 U205 Selenium, tetrakis(dimethyl-dithiocarbamate) Carbamodithioic acid, dimethyl-, tetraanhydrosulfide with orthothioselenious acid 144-34-3 Selenourea Same 630-10-4 P103 Silver Same 7440-22-4 Silver compounds, N.O.S. 1 Silver cyanide Silver cyanide Ag(CN) 506-64-9 P104 Silvex (2,4,5-TP) Propanoic acid, 2-(2,4,5-trichlorophenoxy)- 93-72-1 See F027 Sodium cyanide Sodium cyanide Na(CN) 143-33-9 P106 Sodium dibutyldithiocarbamate Carbamodithioic acid, dibutyl, sodium salt 136-30-1 Sodium diethyldithiocarbamate Carbamodithioic acid, diethyl-, sodium salt 148-18-5 Sodium dimethyldithiocarbamate Carbamodithioic acid, dimethyl-, sodium salt 128-04-1 Sodium pentachlorophenate Pentachlorophenol, sodium salt 131522 None Streptozotocin D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)carbonyl]amino]- 18883-66-4 U206 Strychnine Strychnidin-10-one 57-24-9 P108 Strychnine salts P108 Sulfallate Carbamodithioic acid, diethyl-, 2-chloro-2-propenyl ester 95-06-7 TCDD Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro- 1746-01-6 Tetrabutylthiuram disulfide Thioperoxydicarbonic diamide, tetrabutyl 1634-02-2 1,2,4,5-Tetrachlorobenzene Benzene, 1,2,4,5-tetrachloro- 95-94-3 U207 Tetrachlorodibenzo-p-dioxins Tetrachlorodibenzofurans Tetrachloroethane, N.O.S. 1 Ethane, tetrachloro-, N.O.S. 25322-20-7 1,1,1,2-Tetrachloroethane Ethane, 1,1,1,2-tetrachloro- 630-20-6 U208 1,1,2,2-Tetrachloroethane Ethane, 1,1,2,2-tetrachloro- 79-34-5 U209 Tetrachloroethylene Ethene, tetrachloro- 127-18-4 U210 2,3,4,6-Tetrachlorophenol Phenol, 2,3,4,6-tetrachloro- 58-90-2 See F027 2,3,4,6-tetrachlorophenol, potassium salt same 53535276 None 2,3,4,6-tetrachlorophenol, sodium salt same 25567559 None Tetraethyldithiopyrophosphate Thiodiphosphoric acid, tetraethyl ester 3689-24-5 P109 Tetraethyl lead Plumbane, tetraethyl- 78-00-2 P110 Tetraethyl pyrophosphate Diphosphoric acid, tetraethyl ester 107-49-3 P111 Tetramethylthiuram monosulfide Bis(dimethylthiocarbamoyl) sulfide 97-74-5 Tetranitromethane Methane, tetranitro- 509-14-8 P112 Thallium Same 7440-28-0 Thallium compounds, N.O.S. 1 Thallic oxide Thallium oxide Tl 2 O 3 1314-32-5 P113 Thallium(I) acetate Acetic acid, thallium(1 + ) salt 563-68-8 U214 Thallium(I) carbonate Carbonic acid, dithallium(1 + ) salt 6533-73-9 U215 Thallium(I) chloride Thallium chloride TlCl 7791-12-0 U216 Thallium(I) nitrate Nitric acid, thallium(1 + ) salt 10102-45-1 U217 Thallium selenite Selenious acid, dithallium(1 + ) salt 12039-52-0 P114 Thallium(I) sulfate Sulfuric acid, dithallium(1 + ) salt 7446-18-6 P115 Thioacetamide Ethanethioamide 62-55-5 U218 Thiodicarb Ethanimidothioic acid, N,N′-[thiobis [(methylimino) carbonyloxy]] bis-, dimethyl ester 59669-26-0 U410 Thiofanox 2-Butanone, 3,3-dimethyl-1-(methylthio)-, 0-[(methylamino)carbonyl] oxime 39196-18-4 P045 Thiomethanol Methanethiol 74-93-1 U153 Thiophanate-methyl Carbamic acid, [1,2-phyenylenebis (iminocarbonothioyl)] bis-, dimethyl ester 23564-05-8 U409 Thiophenol Benzenethiol 108-98-5 P014 Thiosemicarbazide Hydrazinecarbothioamide 79-19-6 P116 Thiourea Same 62-56-6 U219 Thiram Thioperoxydicarbonic diamide [(H 2 N)C(S)] 2 S 2 , tetramethyl- 137-26-8 U244 Tirpate 1,3-Dithiolane-2-carboxaldehyde, 2,4-dimethyl-, O-[(methylamino) carbonyl] oxime 26419-73-8 P185 Toluene Benzene, methyl- 108-88-3 U220 Toluenediamine Benzenediamine, ar-methyl- 25376-45-8 U221 Toluene-2,4-diamine 1,3-Benzenediamine, 4-methyl- 95-80-7 Toluene-2,6-diamine 1,3-Benzenediamine, 2-methyl- 823-40-5 Toluene-3,4-diamine 1,2-Benzenediamine, 4-methyl- 496-72-0 Toluene diisocyanate Benzene, 1,3-diisocyanatomethyl- 26471-62-5 U223 o-Toluidine Benzenamine, 2-methyl- 95-53-4 U328 o-Toluidine hydrochloride Benzenamine, 2-methyl-, hydrochloride 636-21-5 U222 p-Toluidine Benzenamine, 4-methyl- 106-49-0 U353 Toxaphene Same 8001-35-2 P123 Triallate Carbamothioic acid, bis(1-methylethyl)-, S-(2,3,3-trichloro-2-propenyl) ester 2303-17-5 U389 1,2,4-Trichlorobenzene Benzene, 1,2,4-trichloro- 120-82-1 1,1,2-Trichloroethane Ethane, 1,1,2-trichloro- 79-00-5 U227 Trichloroethylene Ethene, trichloro- 79-01-6 U228 Trichloromethanethiol Methanethiol, trichloro- 75-70-7 P118 Trichloromonofluoromethane Methane, trichlorofluoro- 75-69-4 U121 2,4,5-Trichlorophenol Phenol, 2,4,5-trichloro- 95-95-4 See F027 2,4,6-Trichlorophenol Phenol, 2,4,6-trichloro- 88-06-2 See F027 2,4,5-T Acetic acid, (2,4,5-trichlorophenoxy)- 93-76-5 See F027 Trichloropropane, N.O.S. 1 25735-29-9 1,2,3-Trichloropropane Propane, 1,2,3-trichloro- 96-18-4 Triethylamine Ethanamine, N,N-diethyl- 121-44-8 U404 O,O,O-Triethyl phosphorothioate Phosphorothioic acid, O,O,O-triethyl ester 126-68-1 1,3,5-Trinitrobenzene Benzene, 1,3,5-trinitro- 99-35-4 U234 Tris(1-aziridinyl)phosphine sulfide Aziridine, 1,1′,1″-phosphinothioylidynetris- 52-24-4 Tris(2,3-dibromopropyl) phosphate 1-Propanol, 2,3-dibromo-, phosphate (3:1) 126-72-7 U235 Trypan blue 2,7-Naphthalenedisulfonic acid, 3,3′-[(3,3′-dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(azo)]- bis[5-amino-4-hydroxy-, tetrasodium salt. 72-57-1 U236 Uracil mustard 2,4-(1H,3H)-Pyrimidinedione, 5-[bis(2-chloroethyl)amino]- 66-75-1 U237 Vanadium pentoxide Vanadium oxide V 2 O 5 1314-62-1 P120 Vernolate Carbamothioic acid, dipropyl-,S-propyl ester 1929-77-7 Vinyl chloride Ethene, chloro- 75-01-4 U043 Warfarin 2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, when present at concentrations less than 0.3% 81-81-2 U248 Warfarin 2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, when present at concentrations greater than 0.3% 81-81-2 P001 Warfarin salts, when present at concentrations less than 0.3% U248 Warfarin salts, when present at concentrations greater than 0.3% P001 Zinc cyanide Zinc cyanide Zn(CN) 2 557-21-1 P121 Zinc phosphide Zinc phosphide Zn 3 P 2 , when present at concentrations greater than 10% 1314-84-7 P122 Zinc phosphide Zinc phosphide Zn 3 P 2 , when present at concentrations of 10% or less 1314-84-7 U249 Ziram ZInc, bis(dimethylcarbamodithioato-S,S′)-, (T-4)- 137-30-4 P205 1 The abbreviation N.O.S. (not otherwise specified) signifies those members of the general class not specifically listed by name in this appendix. [53 FR 13388, Apr. 22, 1988, as amended at 53 FR 43881, Oct. 31, 1988; 54 FR 50978, Dec. 11, 1989; 55 FR 50483, Dec. 6, 1990; 56 FR 7568, Feb. 25, 1991; 59 FR 468, Jan. 4, 1994; 59 FR 31551, June 20, 1994; 60 FR 7853, Feb. 9, 1995; 60 FR 19165, Apr. 17, 1995; 62 FR 32977, June 17, 1997; 63 FR 24625, May 4, 1998; 65 FR 14475, Mar. 17, 2000; 65 FR 67127, Nov. 8, 2000; 70 FR 9177, Feb. 24, 2005; 71 FR 40271, July 14, 2006; 75 FR 78926, Dec. 17, 2010]