How is dose important in radiation protection?
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Author:  hey [ Sun Mar 10, 2013 12:03 pm ]
Post subject:  How is dose important in radiation protection?

How is dose important in radiation protection?

Our system of radiation protection is based on the idea that limiting the equivalent dose received by workers (estimated during a calendar year) will eliminate the possibilities of workers receiving doses that can cause immediately observable effects (radiation sickness, skin effects, etc.) and will maintain their risks of longer-term effects to levels that are similar to risks we accept in other industries and activities of life (longer-term effects include cancer, hereditary effects, and so on—see the section on "Radiation Effects" at These doses may be received from exposures to sources outside of the body (external dose) or radioactive material that may enter the body by being inhaled or swallowed (internal dose). We set lower limits for radiation dose for minors, members of the public, and pregnant women. Much more detail can be found on our website on Policy, Guidelines, and Regulations ( Radiation workers who may have significant exposures are routinely monitored for their external doses by wearing radiation measuring devices and having these devices evaluated at periodic intervals. If workers could be reasonably expected to take radioactive material into their bodies, they receive special evaluations by direct measurements made on the worker's body or by indirect measures, which involve measuring radioactivity leaving the body in urine or other materials. For the general public, external and internal exposures are usually estimated using simulation models (which are often computer based), supported by spot measurements made at strategic locations around facilities that may represent sources of radiation to the public.
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