Chronic toxicity means concurrent and delayed adverse effects that occur only as a result of a chronic exposure.
Chronic toxicity means when the survival, growth, or reproduction, as applicable, for either test species, at the effluent dilution(s) designated in this permit (see Part I.C.), is significantly less (at the 95 percent confidence level) than that observed for the control specimens.
Examples of Chronic toxicity in a sentence
Chronic toxicity was assessed on a sample by sample basis, taking into account pH and water temperature at the time of sampling and using the calculations in the ANZECC (2000) guidelines.
More Definitions of Chronic toxicity
Chronic toxicity means that level of pollutants which would, over long durations or recurring exposure, cause a continuous, adverse or unacceptable response in organisms.
Chronic toxicity means a toxic effect which occurs after repeated or prolonged exposure. Chronic effects may occur some time after exposure has ceased.