Appendix C
188 Hazardous Air Pollutants (HAPs)a,b

Acetaldehyde

Acetamide

Acetonitrile

Acetophenone

2-Acetylaminofluorene

Acrolein

Acrylamide

Acrylic acid

Acrylonitrile

Allyl chloride

4-Aminobiphenyl

Aniline

o-Anisidine

Asbestos

Benzene

Benzidine

Benzotrichloride

Benzyl chloride

Biphenyl

Bis(2-ethylhexyl) phthalate

Bis(chloromethyl) ether

1,1-Bis(4-chlorophenyl) ethane (DDE)

Bromoform

1,3-Butadiene

Calcium cyanamide

Captan

Carbaryl

Carbon disulfide

Carbon tetrachloride

Carbonyl sulfide

Catechol

Chloramben

Chlordane

Chlorine

Chloroacetic acid

2-Chloroacetophenone

Chlorobenzene

Chlorobenzilate

Chloroform

Chloromethyl methyl ether

Chloroprene

Cresols/cresylic acid

o-Cresol

m-Cresol

p-Cresol

Cumene



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OCR for page 365
Air Quality Management in the United States Appendix C 188 Hazardous Air Pollutants (HAPs)a,b Acetaldehyde Acetamide Acetonitrile Acetophenone 2-Acetylaminofluorene Acrolein Acrylamide Acrylic acid Acrylonitrile Allyl chloride 4-Aminobiphenyl Aniline o-Anisidine Asbestos Benzene Benzidine Benzotrichloride Benzyl chloride Biphenyl Bis(2-ethylhexyl) phthalate Bis(chloromethyl) ether 1,1-Bis(4-chlorophenyl) ethane (DDE) Bromoform 1,3-Butadiene Calcium cyanamide Captan Carbaryl Carbon disulfide Carbon tetrachloride Carbonyl sulfide Catechol Chloramben Chlordane Chlorine Chloroacetic acid 2-Chloroacetophenone Chlorobenzene Chlorobenzilate Chloroform Chloromethyl methyl ether Chloroprene Cresols/cresylic acid o-Cresol m-Cresol p-Cresol Cumene

OCR for page 365
Air Quality Management in the United States 2,4-Dichlorophenoxyacetic acid (including salts and esters) (2,4-D) Diazomethane Dibenzofurans 1,2-Dibromo-3-chloropropane Dibutylphthalate 1,4-Dichlorobenzene(p) 3,3'-Dichlorobenzidine Dichloroethyl ether 1,3-Dichloropropene Dichlorvos Diethanolamine Diethyl sulfate 3,3'-Dimethoxy benzidine p-Dimethyl amino azobenzene N,N-Dimethyl aniline 3,3'-Dimethyl benzidine Dimethyl carbamoyl chloride N,N-Dimethyl formamide 1,1-Dimethyl hydrazine Dimethyl phthalate Dimethyl sulfate 4,6-Dinitro-o-cresol (including salts) 2,4-Dinitrophenol 2,4-Dinitrotoluene 1,4-Dioxane 1,2-Diphenylhydrazine Epichlorohydrin 1,2-Epoxybutane Ethyl acrylate Ethyl benzene Ethyl carbamate Ethyl chloride Ethylene dibromide Ethylene dichloride Ethylene glycol Ethylene imine Ethylene oxide Ethylene thiourea Ethylidene dichloride Formaldehyde Heptachlor Hexachlorobenzene Hexachlorobutadiene Hexachlorocyclopentadiene Hexachloroethane Hexamethylene-1,6-diisocyanate Hexamethylphosphoramide Hexane Hydrazine Hydrochloric acid Hydrogen fluoride Hydroquinone Isophorone Lindane (all isomers) Maleic anhydride Methanol Methoxychlor Methyl bromide Methyl chloride Methyl chloroform Methyl ethyl ketone Methyl hydrazine Methyl iodide Methyl isobutyl ketone Methyl isocyanate Methyl methacrylate Methyl tert-butyl ether 4,4'-Methylene-bis(2-chloroaniline) Methylene chloride 4,4'-Methylene diphenyl diisocyanate 4,4'-Methylene dianiline Naphthalene Nitrobenzene 4-Nitrobiphenyl 4-Nitrophenol 2-Nitropropane N-Nitroso-N-methylurea N-Nitrosodimethylamine N-Nitrosomorpholine Parathion Pentachloronitrobenzene Pentachlorophenol Phenol p-Phenylenediamine

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Air Quality Management in the United States Phosgene Phosphine Phosphorus Phthalic anhydride Polychlorinated biphenyls 1,3-Propane sultone β-Propiolactone Propionaldehyde Propoxur (Baygon) Propylene dichloride Propylene oxide 1,2-Propylenimine Quinoline Quinone (p-benzoquinone) Styrene Styrene oxide 2,3,7,8-Tetrachloro-dibenzo-p-dioxin 1,1,2,2-Tetrachloroethane Tetrachloroethylene Titanium tetrachloride Toluene 2,4-Toluene diamine 2,4-Toluene diisocyanate o-Toluidine Toxaphene 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 Xylenes (mixed isomers) o-Xylenes m-Xylenes p-Xylenes Antimony compounds Arsenic compounds (inorganic) Beryllium compounds Cadmium compounds Chromium compounds Cobalt compounds Coke oven emissions Cyanide compoundsc Glycol ethersd Lead compounds Manganese compounds Mercury compounds Fine mineral fiberse Nickel compounds Polycyclic organic matterf Radionuclides (including radon) Selenium compounds     Note: For all listings above that contain the word “compounds” and for glycol ethers, the following applies: Unless otherwise specified, these listings are defined as including any unique chemical substance that contains the named chemical (antimony, arsenic, etc.). a   The original list established under section 112(b)(1) of the Clean Air Act contained 189 HAPs. Caprolactam was removed June 18, 1996 (see 61 Fed. Reg. 30816 [1996]). b   On May 30, 2003, EPA proposed to remove the compound methyl ethyl ketone (MEK) from the HAPs list (see 68 Fed. Reg. 32605 [2003]), and on November 21, 2003, it proposed to remove ethylene glycol monobutyl ether from the list (see 68 Fed. Reg. 65648 [2003]). c   X′CN where X = H′ or any other group where a formal dissociation may occur. For example, KCN or Ca(CN)2. d   The definition of glycol ethers has been modified to exclude surfactant alcohol ethoxylates and their derivatives (SAEDs) (65 Fed. Reg. 47342 [2000]). e   Includes mineral fiber emissions from facilities manufacturing or processing glass, rock, or slag fibers (or other mineral derived fibers) of average diameter of 1 micrometer or less. f   Includes organic compounds with more than one benzene ring and that have a boiling point greater than or equal to 100°C.

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