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Scientific documentation

Radionuclides sheets


This series of sheets, entitled “Radionuclides and the Environment” (see below), summarises a state of the art relating to the radioecological behaviour in the environment of the principal radionuclides.

 

Drafted by IRSN, they are voluntarily simplified to make knowledge easily accessible and understandable for everybody. They do not, therefore, always expand on the finer details appearing in the bibliography. In the space of a few pages, they describe the essential characteristics governing the behaviour of the different radionuclides studied, with the emphasis placed on transfer to humans via the food chain.

 

 

List of the sheets

 

To access the sheets, click on the icon. The PDF sheets are in French.

 

 

Radionuclide

Environment sheet

Health sheet

 

Americium-241

       

    

Antimony-125

        

       --

Silver-110m 

       

       --

Barium-133

        

       --

Bismuth-210

        

       --

Cadmium-109

        

       --

Carbon-14

            

Caesium-137 + Barium-137m

       

    

Cerium-144

        

       --

Chlorine-36

        

       --

Cobalt-60

            

Iron-59

       

       --

Iodine-129

       

    

Iodine-131

          --

    

Iridium-192

          --

    

Krypton-85

          --

    

Manganese-54

       

       --

Mercury-203

       

       --

Molybdenum-99

        

       --

Neptunium-237

       

    

Nickel-63

        

       --

Niobium-94

       

       --

Palladium-107

        

       --

Plutonium-239

       

       --

Polonium-210

       

       --

Protactinium-231

       

       --

Selenium-79

       

       --

Strontium-90 + Yttrium-90

       

    

Technetium-99

       

       --

Tellurium-123m

        

       --

Thorium-232 and his descendants

       

    

Tritium

       

 

   

Natural Uranium

       

       --

 

 

 

Medical sheets

 

Intake of stable iodine in the event of accidental releases of radioactive iodine in the atmosphere


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For further information, contact IRSN Science

Environment sheet: description

Theses fact sheets describe the behaviour of the chemical element in the principal compartments of terrestrial and aquatic ecosystems using the following assumptions. Isotope discrimination is negligible, which is verified for most of the elements considered. When the element has stable isotopes, the behavioural analogy between the stable and radioactive isotopes is accepted implicitly, with the understanding that for naturally-occurring elements, the chemical form and emission environment for anthropogenic discharge may involve pathways and transfer processes different from those identified for the stable natural element.


The radioactive isotope designated in the title of the fact sheet has major radioecological importance with regard to quantity and persistence in the environment, with other isotopes, both radioactive and stable, being cited as well. The information, which has been intentionally simplified, is intended to reflect the level of knowledge on the topic as of publication and provide values for the main usual radioecological parameters for estimating transfer in the environment and the food chain in particular.

Characteristics


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