Definitions for "NOEC"
No Observable Effect Concentration. For toxic substances, it is the highest tested concentration at which no adverse effects are observed in an aquatic organism at a specific time of observation.
" No Observed Effect Concentration " or concentration without observable effect. It is about the highest concentration tested for which the effect is significantly not different from controls
No Observed Effect Concentration; the highest tested concentration not causing an effect
Keywords:  oncentration, ffect, bserved, epd, term
bserved ffect oncentration. EPD term.