06903 IUPAC Gold Book - biological tolerance values for working materials 10.1351/goldbook.BT06903 BT06903 current acronym: BAT synonym: Biologische Arbeitsstoff Toleranz Werte quantity 1 The maximum permissible quantity of a chemical compound or its metabolites, or any deviation from the norm of biological parameters induced by those substances in exposed humans. deviation https://goldbook.iupac.org/terms/view/D01650 PAC, 2001, 73, 993. 'Risk assessment for occupational exposure to chemicals. A review of current methodology (IUPAC Technical Report)' on page 1022 (https://doi.org/10.1351/pac200173060993) https://goldbook.iupac.org/terms/view/BT06903/html https://goldbook.iupac.org/terms/view/BT06903/json https://goldbook.iupac.org/terms/view/BT06903/plain Citation: 'biological tolerance values for working materials' 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.BT06903 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-07-24T12:06:07+00:00