Home > Terms > English, UK (UE) > Toxicity equivalent (TEQ)
Toxicity equivalent (TEQ)
Contribution of a specified component (or components) to the toxicity of a mixture of related substances.
Note 1: The amount-of-substance (or substance) concentration of total toxicity equivalent is the sum of that for the components B, C … N.
Note 2: Toxicity equivalent is most commonly used in relation to the reference toxicant 2,3,7,8-tetrachlorodibenzo-p-dioxin (2,3,7,8-tetrachlorooxanthrene) by means of the toxicity equivalency factor (TEF, f) which is 1 for the reference substance. Hence, where c is the amount-of-substance concentration.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Biology; Chemistry
- Category: Toxicology
- Company: National Library of Medicine
- Product:
- Acronym-Abbreviation:
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