Annual Limit on Intake (ALI) 4
Annual Limit on Intake (ALI) 4 : The derived limit for the amount of radioactive material taken into the body of an adult worker by inhalation or ingestion in a year. ALl is the smaller value of intake of a given radionuclide in a year by the reference man (ICRP Publication 23) that would result in a committed effective dose equivalent of 5 rems (0.05 sievert) or a committed dose equivalent of 50 rems (0.50 sievert) to any individual organ or tissue