| no observed adverse effect level |
is the highest tested dose or concentration of a substance which resulted in no observed adverse effect in exposed test organisms where higher doses or concentrations resulted in an adverse effect.
출처: www.setonresourcecenter.com/cfr/40CFR/P132_003.HTM
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| no observed adverse effect level |
Greatest concentration or amount of an agent, found by experiment or observation, that causes no detectable adverse alteration of morphology, functional capacity, growth, development or life span in an organism, system or (sub) population.
출처: www.fsra.net/glossary.html
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| no observed adverse effect level |
The dose of a chemical at which there is no increase in the frequency or severity of adverse effects noted in an exposed population.
출처: www.dow.com/productsafety/overview/glossary.htm
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