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<p>In water treatment facilities, naturally occurring radionuclides of soil and rock may be accumulated in groundwater during the treatment of drinking water. The objective of this study is to assess internal radiation doses due to NORM inhalation by workers in water treatment facilities in Korea. We analyzed flow of groundwater in water treatment facilities. Airborne particle concentration and activity concentration were measured using a large-capacity, individual air sampler and HPGe detector. The annual internal radiation dose ranged from 9.52 × 10<sup>–7</sup> to 3.42 × 10<sup>–5</sup>&#xa0;mSv y<sup>−1</sup>, which was less than the annual dose limit of the general public of 1&#xa0;mSv&#xa0;y<sup>−1</sup>.</p>

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Radiological safety assessment for workers in water treatment facility due to NORM inhalation

  • 期刊论文

  • 发表日期：

    2025年10月17日

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  • Seung Beom Yoo,
  • Ga Eun Oh,
  • Geon Woo Son,
  • Dong Gyu Lee,
  • Kwang Pyo Kim

摘要

In water treatment facilities, naturally occurring radionuclides of soil and rock may be accumulated in groundwater during the treatment of drinking water. The objective of this study is to assess internal radiation doses due to NORM inhalation by workers in water treatment facilities in Korea. We analyzed flow of groundwater in water treatment facilities. Airborne particle concentration and activity concentration were measured using a large-capacity, individual air sampler and HPGe detector. The annual internal radiation dose ranged from 9.52 × 10–7 to 3.42 × 10–5 mSv y−1, which was less than the annual dose limit of the general public of 1 mSv y−1.