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NALT Concept Space
U.S. Department of Agriculture

NALT Core

Concept information

  1. Fields of Study
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity testing
  6. lethal concentration 50
  1. Animals, Livestock, One Health
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity testing
  6. lethal concentration 50
  1. Fields of Study
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity testing
  6. lethal concentration 50
  1. Animals, Livestock, One Health
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity testing
  6. lethal concentration 50
  1. Research, Technology, Methods
  2. methodology
  3. testing
  4. toxicity testing
  5. lethal concentration 50

Preferred term

lethal concentration 50

Type

  • Topic

Definition

  • Information Concentration of a material in the air that kills 50% of the test animals when administered as a single exposure in a specific time period (usually 1 hour); a common measure of acute toxicity of vapors, dusts, mists and gases. Note that lethal concentration values are used when the route of administration is by inhalation. LC values are often expressed as parts of material per million parts of air (ppm). Compare "lethal dose 50".

    Source: NAL Thesaurus Staff

    Type: Concept definition

Broader concept

Related concepts

Synonyms

  • LC 50
  • LC-50
  • LC50
  • lethal concentration-50
  • median lethal concentration
  • population critical concentration 50

In other languages

  • concentración letal 50

    Spanish

  • CL 50 (concentración letal 50)
  • concentración letal media
  • concentración letal mediana

URI

https://lod.nal.usda.gov/nalt/68545

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RDF/XML TURTLE JSON-LD Created 10/23/06, last modified 2/15/18