Toxnet This link opens in a new windowA publicly available government resource that provides access to a group of databases on toxicology, hazardous chemicals, and related information. It includes HSDB (Hazardous Substances Data Bank), CCRIS (Chemical Carcinogenesis Research Info System), TRI (Toxic Release Inventory), TOXLINE (journal articles about toxic substances), and other related databases. TOXNET features TOXMAP, maps depicting toxic chemical locations across the United States.