Then I started reading stuff on THM and realized that this guy was being ignorant and childish.
From the orlandosentinel.com
Because of high THM levels, several public drinking water suppliers have had to issue advisories to customers and change treatment methods to reduce the THM levels in finished water.
From the post-gazette.com
More examples
Master of Theology: a master's degree in theology
(THMS) Tucson High Magnet School , commonly referred to as THMS, THS, Tucson High, and Tucson Magnet, is a 2009 Performing Plus Tucson public high school and is part of the Tucson Unified School District with magnet programs in Science, Mathematics, Technology, Visual Arts, and Performing Arts. ...
THMs are chemicals that occur in drinking water as a byproduct of water chlorination. They are highly carcinogenic and can affect nervous system, kidney, and liver functioning.
Trihalomethane. A type of toxic chemical, commonly formed when organic chemicals in water combine with chlorine.
Trihalomethane. A byproduct of the disinfection process which have certain health effects.
Trihalomethanes. Toxic chemical substances that consist of a methane molecule and one of the halogen elements fluorine, bromine, chlorine and iodine attached to three positions of the molecule. They usually have carcinogenic properties.