Definitions for "Trihalomethanes"
a particular disinfection-by-product (Hoehn, 1996).
Trihalomethanes are byproducts of chlorine, which is used to disinfect water, and carbon-based plant debris in the water. Chloroform is the best known example. THMs cause 10,000 cases of colon and bladder cancer annually. The chlorine industry strenuously opposes closer regulation of THMs.
see 'THM'