Copper Links

• ToxFAQs for Copper This site on copper, in a "frequently asked questions" format, was produced by the Agency for Toxic Substances and Disease Registry (ATSDR), a division of the U.S. Department of Health and Human Services.

• Worldwide Copper Information Published by the International Copper Association, which promotes the use of copper and serves as an information clearinghouse for copper-related issues globally.

• WebElements Periodic Table: Copper Includes extensive information on the chemical properties of arsenic, from the simple to the complex. Designed for students and for curious, somewhat science-savvy citizens.