print email comment close Consumer Factsheet On: Thallium URL: http://www.epa.gov/safewater/contaminants/dw_contamfs/thallium.html Description: Questions and answers related to the presence of thallium, "a metal found in natural deposits as ores containing other elements," in the drinking water supply. Discusses safe levels of thallium according to the Safe Drinking Water Act, health and environmental effects of thallium, and related topics. From the U.S. Environmental Protection Agency (EPA). Publisher: U.S. Environmental Protection Agency (EPA) LII Database Information: Record 23073 created by Jennifer English on 12/18/2006 Last modification on 12/20/2006 Published: 12/20/2006   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/23073