A term used in risk assessment. An exposure level at which there are no statistically or biologically significant increases in the frequency or severity of adverse effects between an exposed population and a comparable non-exposed population.
NO-OBSERVED-ADVERSE-EFFECT-LEVEL (NOAEL)
Meaning of NO-OBSERVED-ADVERSE-EFFECT-LEVEL (NOAEL) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012