Term

no-observed-adverse-effect level

Term

Greatest concentration or amount of a substance, found by observation or experiment, which causes no detectable adverse effect. Effects may be detected at this level, which are not judged to be adverse.

Synonyms:

Source:

EEA Glossary

Context:

Comment

Definition source publication

WHO. 1994. Assessing human health risks of chemicals: Derivation of guidance values for health-based exposure limits. Environmental health criteria 170. World Health Organization, Geneva.

Publication year

1994

Definition source URL

http://glossary.eea.europa.eu/EEAGlossary

Organisation

WHO

Organisation full name

Subjects

Long definition