Definitions for "Minimal risk level"
an estimate of daily exposure of a human being to a chemical (in mg/kg/day) that is likely to be without an appreciable risk of adverse noncancerous effects over a specified duration of exposure.
An estimate of daily human exposure to a dose of radiation or a chemical that is likely to be without an appreciable risk of adverse noncancerous effects over a specified duration of exposure.
An estimate of daily human exposure - by a specified route and length of time -- to a dose of chemical that is likely to be without a measurable risk of adverse, noncancerous effects. An MRL should not be used as a predictor of adverse health effects.