TOXNET This link opens in a new windowScope TOXNET (TOXicology Data NETwork) is a cluster of databases covering toxicology, hazardous chemicals, environmental health and related areas. It includes Hazardous Substances Data Bank (HSDB), Integrated Risk Information System (IRIS), International Toxicity Estimates for Risk (ITER), Chemical Carcinogenesis Research Information System (CCRIS), Genetic Toxicology (Gene-Tox), Tox Town, Household Product Database, Haz-Map, and TOXMAP. In addition it includes TOXLINE, DART/ETIC, Toxics Release Inventory. Finally, TOXNET also includes ChemIDplus.