Other
State of New Jersey Occupational Health: Mercury
Information on mercury exposure sources, treatments symptoms and tests. Very readable.
Other
Eco Usa: Mercury
A thorough summary of the sources of mercury exposure, the fate of mercury in the body and its metabolism, and the consequences of mercury toxicity, as well as the treatment.
US Environmental Protection Agency
Epa: Mercury
This site provides a user navigated slide show with animations providing basic information about the element Mercury.
Web Elements
Web Elements Periodic Table: Mercury
An excellent summary of basic information on mercury, including chemical and physical properties and uses.