VOC's are tested using EPA 524.2 and include:
Gases & Volatile Liquids: Dichlorodifluoromethane (Freon-12), Chloromethane, Vinyl chloride, Bromomethane, Chloroethane, Trichlorofluoromethane (Freon-11), 1,1-Dichloroethene, Methylene Chloride (DCM)
Ethers, Ketones & Nitriles: Methyl tert-butyl ether (MTBE), trans-1,2-Dichloroethene, 1,1-Dichloroethane, cis-1,2-Dichloroethene, Bromochloromethane, Chloroform
Chlorinated & Halogenated Alkanes/Alkenes: 1,1,1-Trichloroethane, 1,1-Dichloropropene, Carbon tetrachloride, 1,2-Dichloroethane (EDC), Trichloroethene (TCE), 1,2-Dichloropropane, Dibromomethane, Bromodichloromethane, trans-1,3-Dichloropropene, 1,1,2-Trichloroethane, Tetrachloroethene (PCE), 1,3-Dichloropropane, Dibromochloromethane, 1,2-Dibromoethane (EDB), 1,1,1,2-Tetrachloroethane, 1,1,2,2-Tetrachloroethane, 1,2,3-Trichloropropane, Hexachlorobutadiene, Bromoform, Bromobenzene, 1,2-Dibromo-3-chloropropane (DBCP), 1-Chlorobutane
Aromatic Hydrocarbons: Benzene, Toluene, Ethylbenzene, m-Xylene, p-Xylene, o-Xylene, Styrene, Isopropylbenzene (Cumene), n-Propylbenzene, 1,3,5-Trimethylbenzene, 1,2,4-Trimethylbenzene, tert-Butylbenzene, sec-Butylbenzene, 1,3-Dichlorobenzene, 1,4-Dichlorobenzene, 1,2-Dichlorobenzene, n-Butylbenzene, 1,2,4-Trichlorobenzene, 1,2,3-Trichlorobenzene, Naphthalene, Chlorobenzene