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http://dx.doi.org/10.17946/JRST.2021.44.3.247

Evaluation of Radioactive Substance and Measurement of Harmfulness in Drinking Water  

Jo, Jungwon (Department of Radiological Science, Gachon University)
Lee, Sangbok (Department of Health Science, Gachon University Graduate School)
Nam, Johyeon (Department of Radiological Science, Gachon University)
Noh, Eunjeong (Department of Radiological Science, Gachon University)
Beak, Hyunwoo (Department of Radiological Science, Gachon University)
Lee, Yejin (Department of Radiological Science, Gachon University)
Lee, Joonse (Department of Radiological Science, Gachon University)
Choi, Jiwon (Department of Radiological Science, Gachon University)
Kim, Sungchul (Department of Radiological Science, Gachon University)
Publication Information
Journal of radiological science and technology / v.44, no.3, 2021 , pp. 247-252 More about this Journal
Abstract
As the number of single-person households increases, the consumption of bottled water is increasing. In addition, as the public's interest in radioactivity increases, interest in the field of living radioactivity is also increasing. Since drinking water is an essential element in our daily life, it must be safe from radioactivity. In this study, gamma radiation of drinking spring water was measured and internal exposure dose evaluation was performed to determine its harmfulness. K-40 and uranium-based radioactivity analysis was performed through a high-purity germanium detector, and as a result, drinking water was detected somewhat higher than that of mixing water. Since there is no regulation on the natural radioactivity concentration in Korea, it was compared with the U.S. Environmental Protection Agency Drinking Water Regulations and World Health Organization standard. As a result, there were some items that exceeded standards. Internal exposure was evaluated according to the effective dose formula of ICRP 119. As the result was derived that a maximum of 1.17 mSv per year could be received. This result means that the dose limit for the general public may be exceeded, and it was judged that it is necessary to set an appropriate standard value and present a recommendation value through continuous monitoring in the future.
Keywords
Drinking water; U-238; High Purity Germanium detector; Radioactivity; Water quality standard;
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Times Cited By KSCI : 2  (Citation Analysis)
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