International Toxicity Estimates for Risk Assessment Database

Knowledge Source Identification
Knowledge source name International Toxicity Estimates for Risk Assessment Database
Abbreviated name ITER
Owner/Developer Toxicology Excellence for Risk Assessment
Abbreviated owner TERA
Country United States of America
Languages English
Contact email
Description ITER is a free Internet database of human health risk values and cancer classifications for over 680 chemicals of environmental concern from multiple organizations worldwide. ITER is the only database that presents risk data in a tabular format for easy comparison, along with a synopsis explaining differences in data and a link to each organization for more information. ITER is currently available at its "Original ITER" location ( and is also available as part of the TOXNET compilation of databases ( The two locations contain the same information, however, the TOXNET display allows for additional search functions.
Knowledge Source Category
Category Information System
Sub categories Database
Knowledge Dissemination and Sharing
Dissemination channel Website
Targeted audience (specified/objective analysis) Not specified
Users access Open access
Knowledge Characterization
3Rs relevance Replacement, Reduction
Purpose Documentation and information