Title: risk associated with a lifetime exposure Long Title: IUPAC Gold Book - risk associated with a lifetime exposure DOI: 10.1351/goldbook.16059 Status: current Definition Probability of the occurrence of a specified undesirable event following exposure of an individual person from a given population to a specified substance at a defined level for the expected lifetime of the average member of that population. Source - PAC, 2007, 79, 1153. 'Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)' on page 1303 (https://doi.org/10.1351/pac200779071153) Other Outputs - html: https://goldbook.iupac.org/terms/view/16059/html - json: https://goldbook.iupac.org/terms/view/16059/json - xml: https://goldbook.iupac.org/terms/view/16059/xml Citation: Citation: 'risk associated with a lifetime exposure' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.16059 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-06-29T15:48:29+00:00