In well water, VOCs are man‑made chemicals (like solvents, gasoline components, and industrial degreasers) that can seep from spills, leaky tanks, or landfills into groundwater. They matter in testing because some VOCs are toxic or carcinogenic even at low levels, and people are exposed both by drinking the water and by inhaling vapors released during showering, cooking, and washing, so targeted VOC analysis helps identify contamination, guide treatment (e.g., aeration, GAC), and ensure the water is safe for long‑term use.
F/ VOC's (Volatile Organic Compounds)
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