Hazardous waste consists of materials, or mixtures of materials, that are:
Ignitable Toxic
Reactive Corrosive
EPA Acutely Hazardous List EPA Unused Chemical Products List
EPA Non Specific Source List MA State Regulated List

For details on another specific characteristic, click above.

EPA Acutely Hazardous List

Key

Ignitable Waste (I)
Corrosive Waste (C)
Reactive Waste (R)
Toxic Waste (T)

* (I,T) should be used to specify mixtures containing ignitable and toxic constituents.

Hazardous waste that is classified as acutely hazardous contains one or more of the following:

  Chemical  Abstracts No.  Substance
   
   107-20-0

 Acetaldehyde, chloro-

   591-08-2

 Acetamide, N-(aminothioxomethyl)-

   640-19-7

 Acetamide, 2-fluoro

    62-74-8

 Acetic acid, fluoro, sodium salt

   591-08-2

 1-Acetyl-2-thiourea

   107-02-8

 Acrolein

   116-06-3

 Aldicarb

  1646-88-4

 Aldicarb sulfone

   309-00-2

 Aldrin

   107-18-6

 Allyl alcohol

 20859-73-8

 Aluminum phosphide (R,T)

  2763-96-4

 5-(Aminomethyl)-3-isoxazolol

   504-24-5

 4-Aminopyridine

   131-74-8

 Ammonium picrate (R)

  7803-55-6

 Ammonium vanadate

   506-61-6

 Argentate(1-), bis(cyano-C)-, potassium

  7778-39-4

 Arsenic Acid H(3)AsO(4)

  1327-53-3

 Arsenic oxide As(2)O(3)

  1303-28-2

 Arsenic oxide As(2)O(5)

  1303-28-2

 Arsenic pentoxide

  1327-53-3

 Arsenic trioxide

   692-42-2

 Arsine, diethyl-

   696-28-6

 Arsonous dichloride, phenyl-

   151-56-4

 Aziridine

    75-55-8

 Aziridine, 2-methyl-

   542-62-1

 Barium cyanide

   106-47-8

 Benzenamine, 4-chloro-

   100-01-6

 Benzenamine, 4-nitro-

   100-44-7

 Benzene, (chloromethyl)-

    51-43-4

 1,2-Benzenediol, 4-[1-hydroxy-2- <(methylamino)ethyl]-, (R)-

   122-09-8

 Benzeneethanamine, alpha, alpha-dimethyl-

   108-98-5

 Benzenethiol

  1563-66-2

 7-Benzofuranol, 2,3-dihydro-2,2-dimethyl-,methylcarbamate

    57-64-7

Benzoic acid, 2-hydroxy-, compd. with (3aS-cis)-<1,2,3,3a,8,8a-hexahydro-1,3a,8-trimethyl-pyrrolo-< [2,3-b]indol-5-yl methylcarbamate ester (1:1)

 {1}81-81-2

 2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenyl-butyl)- and salts when present at concentrations< greater than 0.3%

   100-44-7

 Benzyl chloride

  7440-41-7

 Beryllium Powder

   598-31-2

 Bromoacetone

   357-57-3

 Brucine

 39196-18-4

 2-Butanone, 3,3-dimethyl-1-(methylthio)-,< O-[methylamino) carbonyl] oxime

   592-01-8

 Calcium cyanide

   592-01-8

 Calcium cyanide Ca(CN)(2)

 55285-14-8

 Carbamic acid, [(dibutylamino)- thio]methyl-,< 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester

   644-64-4

 Carbamic acid, dimethyl-, 1-[(dimethyl-amino) carbonyl]- 5-methyl-1H-pyrazol-3-yl ester

   119-38-0

 Carbamic acid, dimethyl-, 3-methyl-1-<(1-methylethyl)-1H-pyrazol-5-yl ester

  1129-41-5

 Carbamic acid, methyl-, 3-methylphenyl ester

  1563-66-2

 Carbofuran

    75-15-0

 Carbon disulfide

    75-44-5

 Carbonic dichloride

 55285-14-8

 Carbosulfan

   107-20-0

 Chloroacetaldehyde

   106-47-8

 p-Chloroaniline

  5344-82-1

 1-(o-Chlorophenyl)thiourea

   542-76-7

 3-Chloropropionitrile

   544-92-3

 Copper cyanide

   544-92-3

 Copper cyanide Cu(CN)

    64-00-6

 m-Cumenyl methylcarbamate Cyanides (soluble cyanide salts), not< otherwise specified

   460-19-5

 Cyanogen

   506-77-4

 Cyanogen chloride

   506-77-4

 Cyanogen chloride (CN)Cl

   131-89-5

 2-Cyclohexyl-4,6-dinitrophenol

   542-88-1

 Dichloromethyl ether

   696-28-6

 Dichlorophenylarsine

    60-57-1

 Dieldrin

   692-42-2

 Diethylarsine

   311-45-5

 Diethyl-p-nitrophenyl phosphate

   297-97-2

 O,O-Diethyl O-pyrazinyl phosphorothioate

    55-91-4

 Diisopropylfluorophosphate (DFP)

   309-00-2

 1,4,5,8-Dimethanonaphthalene,<1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-,<(1alpha,4alpha, 4abeta, 5alpha, 8alpha, 8abeta)-

   465-73-6

 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)-

    60-57-1

 2,7:3,6-Dimethanonaphth[2,3-b]oxirane, 3,4,5,6,9,9-hexachloro- 1a,2,2a,3,6,6a,7,7a-< octahydro-,(1aalpha,2beta,2aalpha,< 3beta,6beta,6aalpha,7beta,7aalpha)-

 {1}72-20-8

 2,7,3,6-Dimethanonaphth[2,3-b] oxirine,< 3,4,5,6,9,9-hexachloro- 1a,2,2a,3,6,6a,< 7,7a-octahydro-, (1aalpha, <2beta,2abeta,3alpha,6alpha,6abeta, <7beta,7aalpha)-, & metabolites

    60-51-5

 Dimethoate

   122-09-8

 alpha, alpha-Dimethylphenethylamine

   644-64-4

 Dimetilan

{1}534-52-1

 4,6-Dinitro-o-cresol, and salts

    51-28-5

 2,4-Dinitrophenol

    88-85-7

 Dinoseb

   152-16-9

 Diphosphoramide, octamethyl-

   107-49-3

 Diphosphoric acid, tetraethyl ester

   298-04-4

 Disulfoton

   541-53-7

 Dithiobiuret

 26419-73-8

 1,3-Dithiolane-2-carboxaldehyde,<2,4-dimethyl-, O- [(methylamino)- carbonyl]oxime

   115-29-7

 Endosulfan

   145-73-3

 Endothall

    72-20-8

 Endrin

    72-20-8

 Endrin, & metabolites

    51-43-4

 Epinephrine

   460-19-5

 Ethanedinitrile

 23135-22-0

 Ethanimidothioc acid, 2-(dimethylamino)-N-<[[(methylamino) carbonyl]oxy]-2-oxo-, methyl ester

 16752-77-5

 Ethanimidothioic acid,N[[(methylamino)carbonyl]oxy]-, methyl ester

   107-12-0

 Ethyl cyanide

   151-56-4

 Ethyleneimine

    52-85-7

 Famphur

  7782-41-4

 Fluorine

   640-19-7

 Fluoroacetamide

    62-74-8

 Fluoroacetic acid, sodium salt

 23422-53-9

 Formetanate hydrochloride.

 17702-57-7

 Formparanate.

   628-86-4

 Fluminic acid, mercury(2+) salt (R,T)

    76-44-8

 Heptachlor

   757-58-4

 Hexaethyl tetraphosphate

    79-19-6

 Hydrazinecarbothioamide

    80-34-4

 Hydrazine, methyl-

    74-90-8

 Hydrocyanic acid

    74-90-8

 Hydrogen cyanide

  7803-51-2

 Hydrogen phosphide

   465-73-6

 Isodrin

   119-38-0

 Isolan

    64-00-6

 3-Isopropylphenyl N-methylcarbamate

  2763-96-4

 3(2H)-Isoxazolone, 5-(aminomethyl)-

 15339-36-3

 Manganese, bis(dimethylcarbamodithioato-S,S')-,

 15339-36-3

 Manganese dimethyldithiocarbamate

    62-38-4

 Mercury, (acetato-O)phenyl-

   628-86-4

 Mercury fulminate (R,T)

    62-75-9

 Methanamine, N-methyl-N-nitroso-

   624-83-9

 Methane, isocyanato-

   542-88-1

 Methane, oxybis[chloro-

   509-14-8

 Methane, tetranitro- (R)

    75-70-7

 Methanethiol, trichloro-

 23422-53-9

 Methanimidamide, N,N-dimethyl-N'-[3-[[(methylamino)-carbonyl]oxy]phenyl]-, monohydrochloride

 17702-57-7

 Methanimidamide, N,N-dimethyl-N'-[2-methyl-4-< [[(methylamino)carbonyl]oxy]phenyl]-

   115-29-7

 6,9-Methano-2,4,3-benzodioxathiepin,<6,7,8,9,10,10-hexachloro-< 1,5,5a,6,9,9a-hexahydro-, 3-oxide

    76-44-8

 4,7-Methano-1H-indene, 1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro

  2032-65-7

 Methiocarb

 16752-77-5

 Methomyl

    60-34-4

 Methyl hydrazine

   624-83-9

 Methyl isocyanate

    75-86-5

 2-Methyllactonitrile

   298-00-0

 Methyl parathion

  1129-41-5

 Metolcarb

   315-18-4

 Mexacarbate

    86-88-4

 alpha-Naphthylthiourea

 13463-39-3

 Nickel carbonyl

 13463-39-3

 Nickel carbonyl Ni(CO)(4), (T-4)-

   557-19-7

 Nickel cyanide

   557-19-7

 Nickel cyanide Ni(CN)(2)

 {1}54-11-5

 Nicotine, & salts

 10102-43-9

 Nitric oxide

   100-01-6

 p-Nitroaniline

 10102-44-0

 Nitrogen dioxide

 10102-43-9

 Nitrogen oxide NO

 10102-44-0

 Nitrogen oxide NO(2)

    55-63-0

 Nitroglycerine (R)

    62-75-9

 N-Nitrosomethylamine

  4549-40-0

 N-Nitrosomethylvinylamine

   152-16-9

 Octamethylpyrophosphoramide

 20816-12-0

 Osmium oxide OsO(4), (T-4)-

 20816-12-0

 Osmium tetroxide

   145-73-3

 7-Oxabicyclo[2.2.1]heptane-2,3-dicarboxylic acid

 23135-22-0

 Oxamyl

    56-38-2

 Parathion

   131-89-5

 Phenol, 2-cyclohexyl-4,6-dinitro-

    51-28-5

 Phenol, 2,4-dinitro-

{1}534-52-1

 Phenol, 2-methyl-4,6-dinitro- & salts

    88-85-7

 Phenol, 2-(1-methylpropyl)-4,6-dinitro-

   131-74-8

 Phenol, 2,4,6-trinitro-, ammonium salt (R)

   315-18-4

 Phenol, 4-(dimethylamino)-3,5-dimethyl-,< methylcarbamate (ester).

  2032-65-7

 Phenol, (3,5-dimethyl-4-(methylthio)-,methylcarbamate

    64-00-6

 Phenol, 3-(1-methylethyl)-, methyl carbamate.

  2631-37-0

 Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate

    62-38-4

 Phenylmercury acetate

   103-85-5

 Phenylthiourea

   298-02-2

 Phorate

    75-44-5

 Phosgene

  7803-51-2

 Phosphine

   311-45-5

 Phosphoric acid, diethyl 4-nitrophenyl ester

   298-04-4

 Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl]ester

   298-04-2

 Phosphorodithioic acid, O,O-diethyl< S-[(ethylthio)methyl] ester

    60-51-5

 Phosphorodithioic acid, O,O-dimethyl  S-[2-(methylamino)-2-oxoethyl] ester

    55-91-4

 Phosphorofluoridic acid, bis< (1-methylethyl) ester

    56-38-2

 Phosphorothioic acid, O,O-diethyl O-(4

   -nitrophenyl) ester

   297-92-2

 Phosphorodithioic acid, O,O-diethyl O-

   pyrazinyl ester

    52-85-7

 Phosphorothioic acid, O-

   [4-[(dimethylamino)sulfonyl])phenyl]

   O,O-dimethyl ester

   298-00-0

 Phosphorothioic acid, O,O-dimethyl

   O-(4-nitrophenyl)ester

    57-47-6

 Physostigmine

    57-64-7

 Physostigmine salicylate

    78-00-2

 Plumbane, tetraethyl-

   151-50-8

 Potassium cyanide

   151-50-8

 Potassium cyanide K(CN)

   506-61-6

 Potassium silver cyanide

  2631-37-0

 Promecarb

   116-06-3

 Propanal, 2-methyl-2-(methylthio)-,O-

   [(methylamino)carbonyl]oxime

  1646-88-4

 Propanal, 2-methyl-2-(methyl-sulfonyl)-,

 O-[(methylamino) carbonyl] oxime

   107-12-0

 Propanenitrile

   542-76-7

 Propanenitrile,3-chloro-

    75-86-5

 Propanenitrile, 2-hydroxy-2-methyl-

    55-63-0

 1,2,3-Propanetriol, trinitrate (R)

   598-31-2

 2-Propanone, 1-bromo-

   107-19-7

 Propargyl alcohol

   107-02-8

 2-Propenal

   107-18-6

 2-Propen-1-ol

    75-55-8

 1,2-Propylenimine

   107-19-7

 2-Propyn-1-ol

   504-24-5

 4-Pyridinamine

 {1}54-11-5

 Pyridine, 3-(1-methyl-2-pyrrolidinyl)-,

     (S)-, & salts

    57-47-6

 Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a-

     hexahydro-1,3a,8-trimethyl-, methylcarbamate

     (ester), (3aS-cis)-

 12039-52-0

 Selenious acid, dithallium(1+) salt

   630-10-4

 Selenourea

   506-64-9

 Silver cyanide

   506-64-9

 Silver cyanide Ag(CN)

 26628-22-8

 Sodium azide

   143-33-9

 Sodium cyanide

   143-33-9

 Sodium cyanide Na(CN)

 {1}57-24-9

 Strychnidin-10-one, & salts

   357-57-3

 Strychnidin-10-one, 2,3-dimethoxy-

 {1}57-24-9

 Strychnine, & salts

  7446-18-6

 Sulfuric acid, dithallium(1+) salt

  3689-24-5

 Tetraethyldithiopyrophosphate

    78-00-2

 Tetraethyl lead

   107-49-3

 Tetraethyl pyrophosphate

   509-14-8

 Tetranitromethane (R)

   757-58-4

 Tetraphosphoric acid, hexaethyl ester

  1314-32-5

 Thallic oxide

  1314-32-5

 Thallium oxide Tl(2)O(3)

 12039-52-0

 Thallium(I) selenite

  7446-18-6

 Thallium(I) sulfate

  3689-24-5

 Thiodiphosphoric acid, tetraethyl ester

 39196-18-4

 Thiofanox

   541-53-7

 Thiomidodicarbonic diamide [(H(2)N)C(S)](2)NH

   108-98-5

 Thiophenol

    79-19-6

 Thiosemicarbazide

  5344-82-1

 Thiourea, (2-chlorophenyl)-

    86-88-4

 Thiourea, 1-naphthalenyl-

   103-85-5

 Thiourea, phenyl-

 26419-73-8

 Tirpate

  8001-35-2

 Toxaphene

    75-70-7

 Trichloromethanethiol

  7803-55-6

 Vanadic acid, ammonium salt

  1314-62-1

 Vanadium oxide V(2)O(5)

  1314-62-1

 Vanadium pentoxide

  4549-40-0

 Vinylamine, N-methyl-N-nitroso-

 {1}81-81-2

 Warfarin, & salts, when present at

     concentrations greater than 0.3%

   137-30-4

 Zinc, bis(dimethylcarbamodithioato-S,S')-,

   557-21-1

 Zinc cyanide

   557-21-1

 Zinc cyanide Zn(CN)(2)

  1314-84-7

 Zinc phosphide Zn(3)P(2), when present at< concentrations greater than 10% (R,T)

   137-30-4

 Ziram

   

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