What Does NOEC Stand For?

NOEC stands for No Observed Effect Concentration

NOEC, or No Observed Effect Concentration, refers to the highest concentration of a substance in an experiment at which no significant adverse effects are observed in the test organisms. It is commonly used in toxicology and ecotoxicology to assess the impact of pollutants or chemicals on biological systems, providing critical data for regulatory assessments and environmental safety evaluations.

Added on 14th April 2008 | Last edited on 16th June 2025 | Edit Acronym