Examination of uranium uptake by root vegetables and consequences for human consumption Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/fx719p82b

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  • Uranium is the most common radionuclide that found in the nature. It is a radionuclide with a very low specific activity. There is limited data on plan uptake of uranium. This research was to determine the plant uptake of uranium, calculate the concentration ratio, and estimate the dose from eating contaminated radishes under certain conditions. The concentration ratio was pretty steady despite increasing the uranium in the soil by factor of 200. The concentration ratio ranges from 0.027 to 0.15. This concentration ratio could be used to calculate the uranium concentration in plants if uranium concentration in soil is known and other parameters stay the same. Also in this research the doses estimated from eating contaminated root vegetables exceeded the DOE and NRC limit of 1 mSv to general public.
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