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J Radiat Prot > Volume 26(2);2001 > Article
Journal of Radiation Protection 2001;26(2):87.
원자력 비상시 가축의 사료로 이용을 위한 사료내 방사성 핵종농도 결정에 대한 연구
황원태;김은한;서경석;최영길;한문희;
A Study on the Determination of Radionuclide Concentrations in Animal Feedstuffs for Use Following a Nuclear Emergency
Hwang, Won-Tae;Kim, Eun-Han;Suh, Kyung-Suk;Choi, Young-Gil;Han, Moon-Hee;
ABSTRACT
The optimized derived intervention levels for animal products were evaluated based on cost-benefit analysis. From these results, the radionuclide concentrations in animal feedstuffs for use were derived. It was shown that radionuclide concentrations in animal feedstuffs for use depend strongly on animal products, radionuclides and feeding period (period from the starting time to be led with contaminated feedstuffs to production time of animal products). In case of feedstuffs contaminated with long-lived radionuclides ($^{l37}Cs,;^{90}Sr$), the feedstuffs with lower contamination should be supplied to animals with increase of feeding period due to the bioaccumulation of radionuclides. While, in case of feedstuffs contaminated with short-lived radionuclides ($^{131}I$), the feeding of higher contaminated feedstuffs was possible with increase of feeding period due to radionuclide decay. It was shown that $^{137}Cs$ concentration in animal feedstuffs lot use was lower than $^{90}Sr$ concentration. It is primarily, due to the higher feed-animal product transfer factor of $^{137}Cs$.
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