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<p>This study investigates uranium concentration in urine among workers in different stages of Kazakhstan’s uranium production cycle—mining, processing, and fuel fabrication. A total of 619 urine samples were analyzed using inductively coupled plasma mass spectrometry (ICP-MS). The highest uranium concentrations were found in workers from in-situ leaching mining facilities. Statistical analysis revealed significant variability and skewed distributions across groups, with a proportion of workers exceeding the reference value of 0.9&#xa0;µgL<sup>−1</sup>. The findings highlight the need for ongoing biomonitoring and further assessment of occupational exposure, particularly among residents living near uranium production sites.</p>

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Determination of uranium concentration in urine of Kazakhstan uranium workers

  • 期刊论文

  • 发表日期：

    2025年10月24日

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  • Moldir Aumalikova,
  • Danara Ibrayeva,
  • Kuralay Ilbekova,
  • Elvira Mussayeva,
  • Aigerim Shokabayeva,
  • Madina Kairullova,
  • Riza Medetkhan,
  • Moldir Aisauyt,
  • Dinara Bizhanova

摘要

This study investigates uranium concentration in urine among workers in different stages of Kazakhstan’s uranium production cycle—mining, processing, and fuel fabrication. A total of 619 urine samples were analyzed using inductively coupled plasma mass spectrometry (ICP-MS). The highest uranium concentrations were found in workers from in-situ leaching mining facilities. Statistical analysis revealed significant variability and skewed distributions across groups, with a proportion of workers exceeding the reference value of 0.9 µgL−1. The findings highlight the need for ongoing biomonitoring and further assessment of occupational exposure, particularly among residents living near uranium production sites.