In addition, TOXMAP now offers the ability to save one's search results, the ability to zoom to U.S. Indian reservations, and county and Congressional district boundaries that can be toggled on/off.
TOXMAP is a Geographic Information System (GIS) from the Division of Specialized Information Services (
http://sis.nlm.nih.gov) of the
US National Library of Medicine (NLM) (
http://www.nlm.nih.gov) that uses maps of the United States to help users visually explore data from the US Environmental Protection Agency (EPA)'s
Toxics Release Inventory and Superfund Program.