TERMIUM Plus®

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TOXICITY THRESHOLD [1 record]

Record 1 2002-07-09

English

Subject field(s)
  • Environmental Studies and Analyses
DEF

The level of pollution beyond which exposure for a certain time can lead to serious problems for men and animals.

CONT

Aluminium has been shown to be toxic to trees (as well as other plant life) but there is some scientific dispute over what level constitutes a toxicity threshold.

French

Domaine(s)
  • Études et analyses environnementales
CONT

[...] la connaissance des seuils de toxicité de divers produits sur chaque espèce animale permet de fixer au moins approximativement la concentration du pesticide dans l'eau.

CONT

Principaux types de courbes dose-réponse. [...] En D, nous avons figuré le cas [...] d'une substance aux effets bénéfiques à faibles doses mais qui devient nocive au-delà d'une certaine valeur. («sf» : seuil à partir duquel se manifestent les effets favorables; «st» : seuil de toxicité; «sl» : seuil de létalité).

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
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