Safety assessment of liquid radioactive wastes buried for a long time in deep repositories

The concepts of specific and absolute toxicity permit distinguishing in radioactive wastes belonging to different categories the particular components that present the greatest ecological danger at different stages of their disposal in repositories. It is shown that transuranium elements determine t...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2006-02, Vol.100 (2), p.83-89
Main Authors: Kosareva, I M, Savushkina, M K, Kabakchi, SA, Korotkevich, S V, Kudryavtsev, V M
Format: Article
Language:English
Subjects:
Assessments
Categories
Dangerous
Fission products
Liquid wastes
Liquids
Nuclear engineering
Nuclear safety
Radioactive wastes
Repositories
Toxicity
Wastes
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Summary:The concepts of specific and absolute toxicity permit distinguishing in radioactive wastes belonging to different categories the particular components that present the greatest ecological danger at different stages of their disposal in repositories. It is shown that transuranium elements determine the toxicity parameter of high-and medium-level wastes only 350-400 years after initial disposal. At the present stage of operation of deep repositories, the behavior of the long-lived fission products of super(90)Sr and super(137)Cs is most important. For low-level wastes, the chemical and not the radioactive component is most dangerous.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-006-0054-z