Title: ceiling value
Long Title: IUPAC Gold Book - ceiling value
DOI: 10.1351/goldbook.CT06815
Status: current
Index: quantity

Definition
Airborne concentration of a potentially toxic substance which should never be exceeded in a worker’s breathing zone.

Source
- PAC, 2004, 76, 1033. 'Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)' on page 1043 (https://doi.org/10.1351/pac200476051033)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/CT06815/html
- json: https://goldbook.iupac.org/terms/view/CT06815/json
- xml: https://goldbook.iupac.org/terms/view/CT06815/xml

Citation: Citation: 'ceiling value' 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.CT06815
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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: 2026-06-04T23:40:16+00:00