The annual effective dose equivalent limit for radiation workers is set at 50 mSv (millisieverts). This limit is established by regulatory bodies to ensure that those who work in environments where they may be exposed to ionizing radiation can do so safely over the course of a year.
Radiation workers, such as those in medical imaging, nuclear power plants, and research facilities, have a higher potential for exposure compared to the general population. Therefore, the limit reflects the need to balance occupational exposure with safety considerations, allowing for necessary tasks while mitigating risks associated with radiation.
In establishing limits, organizations reference data on health risks related to radiation exposure and define allowable levels that minimize the likelihood of developing radiation-induced health effects. The 50 mSv limit is a benchmark based on research related to safe exposure levels in the field. Other limits, such as 20 mSv, 10 mSv, and 30 mSv, may apply to different contexts or specific groups, like the general public or certain sensitive populations, but they are not applicable to radiation workers under normal conditions.