Term: biological tolerance values for working materials (Biologische Arbeitsstoff Toleranz Werte) (BAT)
https://doi.org/10.1351/goldbook.BT06903

Definition:
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.

Related Terms:
1) deviation (http://doi.org/10.1351/goldbook.D01650).

Source: 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)

Citation: 'biological tolerance values for working materials (Biologische Arbeitsstoff Toleranz Werte) (BAT)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.BT06903

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.

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.