Table 7.3. 189 Hazardous Air Pollutants as Listed in Section 112 of the Clean Air Act

Acetaldehyde

Acetamide

Acetonitrile

Acetophenone

2-Acetylaminofluorene

Acrolein

Acrylamide

Acrylic acid

Acrylonitrile

Allyl chloride

4-Aminobiphenyl

Aniline

Asbestos

Benzene (including benzene from gasoline)

Benzidine

Benzotrichloride

Benzyl chloride

Biphenyl

Bis (2-ethylhexyl) phthalate (DEHP)

Bis (chloromethyl) ether

Bromoform

1,3-Butadiene

Calcium cyanamide

Caprolactam1

Captan

Carbaryl

Carbon disulfide

Carbon tetrachloride

Carbonyl sulfide

Catechol

Chloramben

Chlorine

Chloroacetic acid

2-Chloroacetophenone

Chlorobenzene

Chlorobenzilate

Chloroform

Chloromethyl methyl ether

Chloroprene

Cresols/Cresylic acid (isomers & mixture)

o-Cresol

m-Cresol

p-Cresol

Cumene

2,4-D, salts and esters

DDE

Diazomethane

Dibenzofurans

1,2-Dibromo-3-chloropropane

Dibutylphthalate

1,4-Dichlorobenzene (p)

3,3-Dichlorobenzidene

Dichloroethyl ether (Bis(2o-Anisidine    chloroethyl)ether)

1,3 Dichloropropene

Dichlorvos

Diethanolamine

N,N-Diethyl aniline (N,N-Dimethylaniline)

Diethyl sulfate

3,3-Dimethoxybenzidine

Dimethyl aminoazobenzene

3,3'-Dimethyl benzidine

Dimethyl carbamoyl chloride

Dimethyl formamide

1,1-Dimethyl hydrazine

Dimethyl phthalate

Dimethyl sulfate

4,6-Dinitro-o-cresol, and salts

2,4-Dinitrophenol

2,4-Dinitrotoluene

1,4-Dioxane (1,4-Diethyleneoxide)

1,2-Diphenylhydrazine

Epichlorohydrin (1-Chloro-2,3Chlordane    epoxypropane)

1 ,2-Epoxybutane

Ethyl acrylate

Ethyl benzene

Ethyl carbamate (Urethane)

Ethyl chloride (Chloroethane)

Ethylene dibromide (Dibromoethane)

Ethylene dichloride (1,2-Dichloroethane)

Ethylene glycol

Ethylene imine (Aziridine)

Ethylene oxide

Ethylene thiourea

Ethylidene dichloride (1,1-Dichloroethane)

Formaldehyde

Heptachlor

Hexachlorobenzene

Hexachlorobutadiene

Hexachlorocyclopentadiene

Hexachloroethane

Hexamethylene-1, 6-diisocyanate

Hexamethylphosphoramide

Hexane

Hydrazine

Hydrochloric acid

Hydrogen fluoride (Hydrofluoric acid)

Hydroquinone

Isophorone

Lindane (all isomers)

Maleic anhydride

Methanol

Methoxychlor

Methyl bromide (Bromomethane)

Methyl chloride (Chloromethane)

Methyl chloroform (1,1,1-Trichloroethane)

Methyl ethyl ketone (2-Butanone)

Methyl hydrazine

Methyl iodide (Iodomethane)

Methyl isobutyl ketone (Hexone)

Methyl isocyanate

Methyl methacrylate

Methyl tert butyl ether

4,4'-Methylene bis (2-chloroaniline)

Methylene chloride (Dichloromethane)

Methylene diphenyl diisocyanate (MDI)

4,4-Methylenedianiline

Naphthalene

Nitrobenzene

4-Nitrobiphenyl

4-Nitrophenol

2-Nitropropane

N-Nitroso-N-methylurea

N-Nitrosodimethylamine

N-Nitrosomorpholine

Parathion

Pentachloronitrobenzene (Quintobenzene)

Pentachlorophenol

Phenol

p-Phenylenediamine

Phosgene

Phosphine

Phosphorus

Phthalic anhydride

Polychlorinated biphenyls (Aroclors)

1,3-Propane sultone

beta-Propiolactone

Propionaldehyde

Propoxur (Baygon)

Propylene dichloride (1,2-Dichloropropane)

Propylene oxide

1,2-Propylenimine (2-Methylaziridine)

Quinoline

Quinone

Styrene

Styrene oxide

2,3,7,8-Tetrachlorodibenzo-p-dioxin

1,1,2,2-Tetrachloroethane

Tetrachloroethylene (Perchloroethylene)

Titanium tetrachloride

Toluene

2,4-Toluene diamine

2,4-Toluene diisocyanate

o-Toluidine

Toxaphene (chlorinated camphene)

1,2,4-Trichlorobenzene

1,1,2-Trichloroethane

Trichloroethylene

2,4,5-Trichlorophenol

2,4,6-Trichlorophenol

Triethylamine

Trifluralin

2,2,4-Trimethylpentane

Vinyl acetate

Vinyl bromide

Vinyl chloride

Vinylidene chloride (1,1-Dichloroethylene)

Xylenes (isomers and mixture)

o-Xylenes

m-Xylenes

p-Xylenes

Antimony Compounds

Arsenic Compounds (inorganic including arsine)

Beryllium Compounds

Cadmium Compounds

Chromium Compounds

Cobalt Compounds

Coke Oven Emissions

Cyanide Compounds

Glycol ethers

Lead Compounds

Manganese Compounds

Mercury Compounds

Fine mineral fibers

Nickel Compounds

Polycyclic Organic Matter2

Radionuclides (including radon)

Selenium Compounds

1Delisted

2Includes organic compounds with more than one benzene ring and that have a boiling point >100°C