Hazardous air pollutants

Hydrazine is an inorganic compound with the chemical formula N2H4 (also written H2NNH2).

Hydrogen fluoride is a chemical compound with the chemical formula HF.

Vinyl acetate is an organic compound with the formula CH3CO2CHCH2.

Methyl methacrylate (MMA) is an organic compound with the formula CH2=C(CH3)COOCH3.

Acrylic acid (IUPAC: prop-2-enoic acid) is an organic compound with the formula CH2=CHCOOH.

Asbestos is a set of six naturally occurring silicate minerals, which all have in common their eponymous asbestiform habit: long (roughly 1:20 aspect ratio), thin fibrous crystals, with each visible fiber composed of millions of microscopic "fibrils" that can be released by abrasion and other processes.

Phenol, also known as carbolic acid, is an aromatic organic compound with the molecular formula C6H5OH.

Formaldehyde is a naturally-occurring organic compound with the formula CH2O.

1,2-Dibromoethane, also known as ethylene dibromide (EDB), is the organobromine compound with the chemical formula (CH2Br)2.

The chemical compound 1,2-dichloroethane commonly known as ethylene dichloride (EDC), is a chlorinated hydrocarbon.

1,3-Butadiene is a simple conjugated diene with the formula C4H6.

Aniline is a toxic organic compound with the formula C6H5NH2.

Chloroform, or trichloromethane, is an organic compound with formula CHCl3.

Nitrogen dioxide is the chemical compound with the formula NO2.

Xylene (from Greek ξύλο, xylo, "wood"), xylol or dimethylbenzene is any one of three isomers of dimethylbenzene, or a combination thereof.

The compound hydrogen chloride has the chemical formula HCl and as such is a hydrogen halide.

Hexane /ˈhɛkseɪn/ is an alkane of six carbon atoms, with the chemical formula C6H14.

Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound with the formula (CH2OH)2.

Ethylene oxide, properly called oxirane by IUPAC, is the organic compound with the formula C2H4O.

Chlorobenzene is an aromatic organic compound with the chemical formula C6H5Cl.

Acetonitrile is the chemical compound with the formula CH3CN.

Chloroethane or monochloroethane, commonly known by its old name ethyl chloride, is a chemical compound with chemical formula C2H5Cl, once widely used in producing tetraethyllead, a gasoline additive.

Ethylbenzene is an organic compound with the formula C6H5CH2CH3.

Hexachlorobenzene, or perchlorobenzene, is an organochloride with the molecular formula C6Cl6.

Cumene is the common name for isopropylbenzene, an organic compound that is based on an aromatic hydrocarbon with an aliphatic substitution.

Chloroprene is the common name for the organic compound 2-chlorobuta-1,3-diene, which has the formula CH2=CCl−CH=CH2.

Tetrachloroethylene, also known under the systematic name tetrachloroethene, or perchloroethylene ("perc" or "PERC"), and many other names, is a chlorocarbon with the formula Cl2C=CCl2.

Methyl tert-butyl ether (also known as MTBE and tert-butyl methyl ether) is an organic compound with molecular formula (CH3)3COCH3.

Sodium selenite is the inorganic compound with the formula Na2SeO3.

Toluene /ˈtɒljuːiːn/, also known as toluol /ˈtɒljuːɒl/, is a colorless, water-insoluble liquid with the smell associated with paint thinners.

Sulfur trioxide (alternative spelling sulphur trioxide) is the chemical compound with the formula SO3.

Carbon disulfide is a colorless volatile liquid with the formula CS2.

Acetophenone is the organic compound with the formula C6H5C(O)CH3 (also represented by the letters PhAc or BzMe), is the simplest aromatic ketone.

Carbon tetrachloride, also known by many other names (the most notable being tetrachloromethane, also recognized by the IUPAC), carbon tet in the cleaning industry, Halon-104 in firefighting and Refrigerant-10 in HVACR, is an organic compound with the chemical formula CCl4.

Benzene is an important organic chemical compound with the chemical formula C6H6.

Styrene, also known as ethenylbenzene, vinylbenzene, and phenylethene, is an organic compound with the chemical formula C6H5CH=CH2.

Vinyl chloride is an organochloride with the formula H2C=CHCl that is also called vinyl chloride monomer (VCM) or chloroethene.

Acrolein (systematic name: propenal) is the simplest unsaturated aldehyde.

Acrylonitrile is an organic compound with the formula CH2CHCN.

Dichloromethane (DCM, or methylene chloride) is an organic compound with the formula CH2Cl2.

Chloromethane, also called methyl chloride, Refrigerant-40, R-40 or HCC 40, is a chemical compound of the group of organic compounds called haloalkanes.

Propionaldehyde or propanal is the organic compound with the formula CH3CH2CHO.

Acetaldehyde (systematic name ethanal) is an organic chemical compound with the formula CH3CHO, sometimes abbreviated by chemists as MeCHO (Me = methyl).

The organic compound 1,1,1-trichloroethane, also known as methyl chloroform, is a chloroalkane.

Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (often abbreviated MeOH).

4-Aminobiphenyl is an amine derivative of biphenyl.

The chemical compound trichloroethylene (C2HCl3) is a halocarbon commonly used as an industrial solvent.

Carbonyl sulfide is the organic compound with the formula OCS.

Methyl isobutyl ketone is manufactured from acetone via a three-step process.

4-Nitroaniline, p-nitroaniline or 1-amino-4-nitrobenzene is an organic compound with the formula C6H6N2O2.

Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.

Methyl isocyanide or isocyanomethane is an organic compound and a member of the isocyanide family.

ortho-Cresol, also 2-methylphenol, is an organic compound with the formula CH3C6H4(OH).

o-Anisidine (2-anisidine) is a yellow liquid with a melting point of −1 to 5 °C and a density of 1.

m-Anisidine one of the three isomers of anisidine.

para-Anisidine (p-anisidine), a grey-brown solid, is the most toxic of the three isomers of anisidine and causes blood damage upon oral ingestion, inhalation or skin contact.