TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

LETHAL THRESHOLD [2 records]

Record 1 2000-06-09

English

Subject field(s)
  • Environmental Studies and Analyses
  • Toxicology
CONT

In fact, turbidity levels generated by dredging activities are far below lethal thresholds for most species and, more importantly, they do not last as long as known lethal exposure times for larvae and adults.

OBS

One of the difficulties of licensing the use of poisonous chemicals lies in determining whether there is a threshold dose below which humans will not be harmed.

French

Domaine(s)
  • Études et analyses environnementales
  • Toxicologie
CONT

En effet, les niveaux de turbidité engendrés par les activités de dragage sont bien en-deçà des seuils de létalité pour la plupart des espèces et, surtout, s'étendent sur des périodes moins longues que les durées d'exposition reconnues comme létales pour les larves et les adultes.

OBS

Il peut s'agir de la teneur en polluant,du degré de température, de la teneur en oxygène, à partir de laquelle meurent les organismes ou les personnes qui y sont exposés.

Spanish

Save record 1

Record 2 1988-02-26

English

Subject field(s)
  • Space Weapons
CONT

Lethal threshold of a particle-beam weapon.

French

Domaine(s)
  • Armes orbitales

Spanish

Save record 2

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