Radiocesium elimination

Mathiesen, S.D., L.M. Nordoy, and A.S. Blix. 1990. Elimination of radiocesium in contaminated adult Norwegian reindeer. Rangifer, Spec. Iss. No. 3 49. 

Incorporated radiocesium mainly is eliminated via kidneys within weeks, and corresponds with potassium excretion. The biological half-lives range from a few days to several weeks, depending on species metabolic activity and the animals age (Hecht,... 

There are a number of hypotheses concerning the rates of uptake and elimination of radiocesium in fish. The level of radioactive concentration of aquatic biota is commonly defined in terms of a concentration factor Rf) as follows ... 

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