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NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. biochemistry
  3. bioactive properties
  4. toxicity
  5. no observed adverse effect level
  1. Fields of Study
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity
  6. no observed adverse effect level
  1. Animals, Livestock, One Health
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity
  6. no observed adverse effect level
  1. Fields of Study
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity
  6. no observed adverse effect level
  1. Animals, Livestock, One Health
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity
  6. no observed adverse effect level
  1. Research, Technology, Methods
  2. research
  3. animal research
  4. toxicology
  5. toxicity
  6. no observed adverse effect level

Preferred term

no observed adverse effect level

Type

  • Topic

Definition

  • Information The highest exposure level at which there are no biologically significant increases in the frequency or severity of adverse effect between the exposed population and its appropriate control; some effects may be produced at this level, but they are not considered adverse or precursors of adverse effects.

    Source: US Environmental Protection Agency

    Type: Concept definition

Broader concept

Related concepts

Synonyms

  • NOAEL (no observed adverse effect level)
  • NOEC (no observed adverse effect level)
  • NOEL (no observed effect level)
  • no observable effect concentration
  • no-observed-adverse-effect level
  • no observed effect level
  • no-observed-effect level

In other languages

URI

https://lod.nal.usda.gov/nalt/54939

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RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 10/11/17