Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Fields of Study
  2. biochemistry
  3. bioactive properties
  4. toxicity
  5. lowest observed effect level
  1. Fields of Study
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity
  6. lowest observed effect level
  1. Animals, Livestock, One Health
  2. animal and human health
  3. medical sciences
  4. toxicology
  5. toxicity
  6. lowest observed effect level
  1. Fields of Study
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity
  6. lowest observed effect level
  1. Animals, Livestock, One Health
  2. animal science
  3. medical sciences
  4. toxicology
  5. toxicity
  6. lowest observed effect level
  1. Research, Technology, Methods
  2. research
  3. animal research
  4. toxicology
  5. toxicity
  6. lowest observed effect level

Preferred term

lowest observed effect level

Type

  • Topic

Definition

  • Information In a study, the lowest dose or exposure level at which a statistically or biologically significant effect is observed in the exposed population compared with an appropriate unexposed control group.

    Source: US, Environmental Protection Agency

    Type: Concept definition

Broader concept

Related concepts

Synonyms

  • LOAEL (lowest observed adverse effect level)
  • LOEC (lowest observable effect concentration)
  • LOEL (lowest observed effect level)
  • lowest observable effect concentration
  • lowest observed adverse effect level

In other languages

URI

https://lod.nal.usda.gov/nalt/50478

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 4/14/20