Technical information on the regulatory limits set in the United States for arsenic in drinking water.

Collection of links to sites about the risks and dangers of arsenic on pressure treated wood.

Includes online articles, links, reports from eighteen countries, conferences, information on remediation, and health effects of toxic exposure.

Account of the history of the problem, sources of contamination, problem areas, possible solutions. At Harvard University.

A brief description for arsenic poisoning and the symptoms.

U.S. National Library of Medicine information on arsenic poisoning with links to reviews and articles.