Chlorine Issues - C3.org
Information on chlorine-related issues and its use as a disinfectant in water and elsewhere.
Chlorine Online - Chlorine and Public Health
Primarily addresses the chlorination of drinking water supplies.
Drinking Water and Health, Volume 2
A 1980 National Research Council report discussing problems with the disinfection of water for drinking. Chlorination can result in the formation of trihalomethanes (THM's) and other halogenated hydrocarbons.