**List of Hazardous Air Pollutants**

**CAS No. Chemical name**

**CAS No. Chemical name**

75070 Acetaldehyde

60355 Acetamide

75058 Acetonitrile

98862 Acetophenone

53963 2-Acetylaminofluorine

107028 Acrolein

79061 Acrylamide

79107 Acrylic acid

107131 Acrylonitrile

107051 Allyl chloride

92671 4-Aminobiphenyl

62533 Aniline

90040 o-Anisidine

1332214 Asbestos

71432 Benzene (including benzene from gasoline)

92875 Benzidine

98077 Benzotrichloride

100447 Benzyl chloride

92524 Biphenyl

117817 Bis(2-ethylhexyl)phthalate (DEHP)

542881 Bis(chloromethyl)ether

75252 Bromoform

106990 1,3-Butadiene

156627 Calcium cyanamide

133062 Captan

63252 Carbaryl

75150 Carbon disulfide

56235 Carbon tetrachloride

463581 Carbonyl sulfide

120809 Catechol

133904 Chloramben

57749 Chlordane

7782505 Chlorine

79118 Chloroacetic acid

532274 2-Chloroacetophenone

108907 Chlorobenzene

510156 Chlorobenzilate

67663 Chloroform

107302 Chloromethyl methyl ether

126998 Chloroprene

1319773 Cresols/Cresylic acid (isomers and mixture)

95487 o-Cresol

108394 m-Cresol

106445 p-Cresol

98828 Cumene

94757 2,4-D, salts and esters

3547044 DDE

334883 Diazomethane

132649 Dibenzofurans

96128 1,2-Dibromo-3-chloropropane

84742 Dibutylphthalate

106467 1,4-Dichlorobenzene(p)

91941 3,3-Dichlorobenzidene

111444 Dichloroethyl ether (Bis(2-chloroethyl)ether)

542756 1,3-Dichloropropene

62737 Dichlorvos

111422 Diethanolamine

121697 N,N-Diethyl aniline (N,N‑Dimethylaniline)

64675 Diethyl sulfate

119904 3,3-Dimethoxybenzidine

60117 Dimethyl aminoazobenzene

119937 3,3U-Dimethyl benzidine

79447 Dimethyl carbamoyl chloride

57147 1,1-Dimethyl hydrazine

68122 Dimethyl formamide

131113 Dimethyl phthalate

77781 Dimethyl sulfate

534521 4,6-Dinitro-o-cresol, and salts

51285 2,4-Dinitrophenol

121142 2,4-Dinitrotoluene

123911 1,4-Dioxane (1,4‑Diethyleneoxide)

122667 1,2-Diphenylhydrazine

106898 Epichlorohydrin (1-Chloro-

2,3-epoxypropane)

106887 1,2-Epoxybutane

140885 Ethyl acrylate

100414 Ethyl benzene

51796 Ethyl carbamate (Urethane)

75003 Ethyl chloride (Chloroethane)

106934 Ethylene dibromide (Dibromoethane)

107062 Ethylene dichloride (1,2-Dichloroethane)

107211 Ethylene glycol

151564 Ethylene imine (Aziridine)

75218 Ethylene oxide

96457 Ethylene thiourea

75343 Ethylidene dichloride (1,1-Dichloroethane)

50000 Formaldehyde

76448 Heptachlor

118741 Hexachlorobenzene

87683 Hexachlorobutadiene

77474 Hexachlorocyclopentadiene

67721 Hexachloroethane

822060 Hexamethylene-1,6-diisocyanate

680319 Hexamethylphosphoramide

110543 Hexane

302012 Hydrazine

7647010 Hydrochloric acid

7664393 Hydrogen fluoride (Hydrofluoric acid)

123319 Hydroquinone

78591 Isophorone

58899 Lindane (all isomers)

108316 Maleic anhydride

67561 Methanol

72435 Methoxychlor

74839 Methyl bromide (Bromomethane)

74873 Methyl chloride (Chloromethane)

71556 Methyl chloroform (1,1,1‑Trichloroethane)

78933 Methyl ethyl ketone (2-Butanone)

60344 Methyl hydrazine

74884 Methyl iodide (Iodomethane)

108101 Methyl isobutyl ketone (Hexone)

624839 Methyl isocyanate

80626 Methyl methacrylate

1634044 Methyl tert butyl ether

101144 4,4-Methylene bis(2-chloroaniline)

75092 Methylene chloride (Dichloromethane)

101688 Methylene diphenyl diisocyanate (MDI)

101779 4,4\'-Methylenedianiline

91203 Naphthalene

98953 Nitrobenzene

92933 4-Nitrobiphenyl

100027 4-Nitrophenol

79469 2-Nitropropane

684935 N-Nitroso-N-methylurea

62759 N-Nitrosodimethylamine

59892 N-Nitrosomorpholine

56382 Parathion

82688 Pentachloronitrobenzene (Quintobenzene)

87865 Pentachlorophenol

108952 Phenol

106503 p-Phenylenediamine

75445 Phosgene

7803512 Phosphine

7723140 Phosphorus

85449 Phthalic anhydride

1336363 Polychlorinated biphenyls (Aroclors)

1120714 1,3-Propane sultone

57578 beta-Propiolactone

123386 Propionaldehyde

114261 Propoxur (Baygon)

78875 Propylene dichloride (1,2-Dichloropropane)

75569 Propylene oxide

75558 1,2-Propylenimine (2-Methyl aziridine)

91225 Quinoline

106514 Quinone

100425 Styrene

96093 Styrene oxide

1746016 2,3,7,8-Tetrachlorodibenzo-p-dioxin

79345 1,1,2,2-Tetrachloroethane

127184 Tetrachloroethylene (Perchloroethylene)

7550450 Titanium tetrachloride

108883 Toluene

95807 2,4-Toluene diamine

584849 2,4-Toluene diisocyanate

95534 o-Toluidine

8001352 Toxaphene (chlorinated camphene)

120821 1,2,4-Trichlorobenzene

79005 1,1,2-Trichloroethane

79016 Trichloroethylene

95954 2,4,5-Trichlorophenol

88062 2,4,6-Trichlorophenol

121448 Triethylamine

1582098 Trifluralin

540841 2,2,4-Trimethylpentane

108054 Vinyl acetate

593602 Vinyl bromide

75014 Vinyl chloride

75354 Vinylidene chloride (1,1-Dichloroethylene)

1330207 Xylenes (isomers and mixture)

95476 o-Xylenes

108383 m-Xylenes

106423 p-Xylenes

**List of Hazardous Air Pollutants**

CAS No. Chemical name

0 Antimony Compounds

0 Arsenic Compounds (inorganic including arsine)

0 Beryllium Compounds

0 Cadmium Compounds

0 Chromium Compounds

0 Cobalt Compounds

0 Coke Oven Emissions

0 Cyanide Compounds^1^

0 Glycol ethers^2^

0 Lead Compounds

0 Manganese Compounds

0 Mercury Compounds

0 Fine mineral fibers^3^

0 Nickel Compounds

0 Polycylic Organic Matter^4^

0 Radionuclides (including radon)^5^

0 Selenium Compounds

NOTE: For all listings above which 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 (i.e., antimony, arsenic, etc.) as part
of that chemical\'s infrastructure.

^1^X\'CN where X = H\' or any other group where a formal dissociation
may occur. For example KCN or

Ca(CN)~2~.

^2^Includes mono- and di-ethers of ethylene glycol, diethylene glycol,
and triethylene glycol

R-(OCH2CH2)~n~-OR\' where

n = 1, 2, or 3

R = alkyl or aryl groups

R\' = R, H, or groups which, when removed, yield glycol ethers with the
structure:

R-(OCH2CH)~n~-OH. Polymers are excluded from the glycol category.

^3^Includes mineral fiber emissions from facilities manufacturing or
processing glass, rock, or slag fibers (or

other mineral derived fibers) of average diameter 1 micrometer or less.

^4^Includes organic compounds with more than one benzene ring, and which
have a boiling point greater than or

equal to 100EC.

^5^A type of atom which spontaneously undergoes radioactive decay.