<Ol> <Li> Time: Reducing the time of an exposure reduces the effective dose proportionally . An example of reducing radiation doses by reducing the time of exposures might be improving operator training to reduce the time they take to handle a radioactive source . </Li> <Li> Distance: Increasing distance reduces dose due to the inverse square law . Distance can be as simple as handling a source with forceps rather than fingers . </Li> <Li> Shielding: Sources of radiation can be shielded with solid or liquid material, which absorbs the energy of the radiation . The term' biological shield' is used for absorbing material placed around a nuclear reactor, or other source of radiation, to reduce the radiation to a level safe for humans . </Li> </Ol> <Li> Time: Reducing the time of an exposure reduces the effective dose proportionally . An example of reducing radiation doses by reducing the time of exposures might be improving operator training to reduce the time they take to handle a radioactive source . </Li> <Li> Distance: Increasing distance reduces dose due to the inverse square law . Distance can be as simple as handling a source with forceps rather than fingers . </Li> <Li> Shielding: Sources of radiation can be shielded with solid or liquid material, which absorbs the energy of the radiation . The term' biological shield' is used for absorbing material placed around a nuclear reactor, or other source of radiation, to reduce the radiation to a level safe for humans . </Li>

Increasing the distance from the source of radiation will