NALT

Preferred term

no observed adverse effect level

Topic

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.

toxicity

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

Field 001 in MARC Authority Format

25438

Spanish

nivel sin efecto adverso observado

URI

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

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Created 1/19/06, last modified 10/11/17