Arsenic in Drinking Water - U.S. EPA: Technical information on the regulatory limits set in the United States for arsenic in drinking water.
Arsenic Links: Collection of links to sites about the risks and dangers of arsenic on pressure treated wood.
Arsenic Website Project: Includes online articles, links, reports from eighteen countries, conferences, information on remediation, and health effects of toxic exposure.
Chronic Arsenic Poisoning: History, Study and Remediation: Account of the history of the problem, sources of contamination, problem areas, possible solutions. At Harvard University.
Med Help: A brief description for arsenic poisoning and the symptoms.
Medline Plus: Arsenic: U.S. National Library of Medicine information on arsenic poisoning with links to reviews and articles.