| 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. |