Dietary intakes of Sr, Cs, <SUP>232</SUP>Th and <SUP>238</SUP>U in north Ukraine, polluted by the Chernobyl accident

  • Ko Susumu
    Section of Microanalysis, Division of Dose Assessment, National Institute of Radiological Sciences
  • Shiraishi Kunio
    Section of Microanalysis, Division of Dose Assessment, National Institute of Radiological Sciences
  • Sahoo Sarata K.
    Section of Microanalysis, Division of Dose Assessment, National Institute of Radiological Sciences
  • Arae Hideki
    Section of Microanalysis, Division of Dose Assessment, National Institute of Radiological Sciences
  • Ayama Kyoko
    Section of Microanalysis, Division of Dose Assessment, National Institute of Radiological Sciences
  • Los Ivan P.
    Institute of Hygiene and Medical Ecology of the Academy of Medical Science of Ukraine
  • Korzun Vitarly N.
    Institute of Hygiene and Medical Ecology of the Academy of Medical Science of Ukraine
  • Tsigankov Nikolay Y.
    Research Center for Radiation Medicine of Academy of Medical Science of Ukraine
  • Zamostyan Pavlo V.
    Research Center for Radiation Medicine of Academy of Medical Science of Ukraine

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  • Dietary intakes of Sr, Cs, 232Th and 238U in north Ukraine, polluted by the Chernobyl accident

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Abstract

Within the framework of a comprehensive study on trace element intakes of Ukrainian residents after the Chernobyl accident, an investigation was made for Cs, Sr, 232Th and 238U with respect to radiation exposure from released radionuclides. From 1997 to 2001, the north part of Ukraine had median daily dietary intakes of Sr, Cs, 232Th and 238U which were 1.9mg, 6.3μg, 0.53μg and 0.58μg per person, respectively. Intakes of Sr and Cs were about same as the global averages, while those of 232Th and 238U were about half the global averages. The variation of Cs intake among districts may indicate that high 137Cs exposure was accompanied by high Cs intake.

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