Lethal concentration definition

Lethal concentration or "LC50" means the toxicant concentration killing 50 percent of the exposed organisms in a specific time of observation.
Lethal concentration means the median lethal concentration level, at which 50 percent of appropriate test animals die when exposed by inhalation for a scientifically appropriate specified time period.

Examples of Lethal concentration in a sentence

  • ACGIH: American Conference of Governmental Industrial Hygienists EINECS: European Inventory of Existing Commercial Chemical Substances ELINCS: European List of Notified Chemical Substances NFPA: National Fire Protection Association (USA) HMIS: Hazardous Materials Identification System (USA) LC50: Lethal concentration, 50 percent vPvB: Very Persistent and Very Bioaccumulative Flam.