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Radiation protection

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  • Radiation dose (Definition)

    When a person is exposed to a radiation field, the radiation acts on the body by releasing its energy into the body: It is said that the person has an accumulated dose. Doses can be expressed in grays or sieverts.

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  • Classified radiation workers (Definition)

    Classified radiation workers are those who, through their employment, can accumulate an effective dose of more than 1 mSv per year, that is a dose greater than the limit for the general population.

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  • Article Series: Radiation Biology

    Radiation biology deals with the effects of ionising radiation on humans, animals, plants and all other living organisms. If radiation transfers its energy to a cell, it can result in the ionisation of biologically important molecules.

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  • Background articles, Posts

    Radiation Biology (1/5): On the Trail of Ionising Radiation

    The discovery of X-rays triggered an explosion of interest. The euphoria was, however, tempered as more and more information became known about the side effects. Radiation biology examines how radiation acts on cells and tissues.

    Effects of Radiation, Radiation Protection
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  • Ionsiation (Definition)

    When ionisation occurs, electrons are removed from the shells of atoms or molecules.

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  • Personal Radiation Dose Document

    Together with the FOPH and Suva, ENSI has developed templates for the Swiss personal dose document and for the temporary Swiss personal dose document. Both dose documents are available in two versions; one in German, French and Italian and one in English. This is intended to facilitate the preparation of dose documents for licence holders…

    Documents, Forms, Radiation Protection, Radiation Protection in Nuclear Installations
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  • Background articles, Posts

    Protecting people against radiation

    «Every radiological protection official knows that the harmful effect of small doses of radiation is not exactly known at present. People must therefore be rigorously protected against radioactivity. We carry out regular measurements at nuclear power plants and in the surrounding area, also without prior announcement. If we do our job to the best of…

    ENSI, ENSI as an employer, Radiation Protection, Radiation Protection in Nuclear Installations
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  • News

    The ENSI Board is appointing Rosa Sardella as new Director of the Division for Radiation Protection

    Rosa Sardella is to be the new Director of the Division for Radiation Protection at the Swiss Federal Nuclear Safety Inspectorate ENSI. The ENSI Board has appointed the 47 year old, who holds a doctorate in nuclear engineering, as the successor to retiring Division Director Georges Piller, effective July 1st, 2016.

    ENSI as an employer, ENSI as regulatory body, ENSI Board, Radiation Protection
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  • Dose rates

    ENSI operates the MADUK system, a measurement network for automatic dose rate monitoring in the vicinity of the nuclear power plants (MADUK is a German acronym).

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