Investigation of natural radioactivity in drinking water sources in South-Central Bulgaria

被引：0
|
作者：
Dimitar Tonev
Elena Geleva
Bozhidar Slavchev
Lyuben Dobrev
Hristo Protohristov
Blagorodka Veleva
Nikolay Goutev
Anguel Demerdjiev
Desislava Dimitrova
Nina Nikolova
机构：
[1] Bulgarian Academy of Sciences,Institute for Nuclear Research and Nuclear Energy
[2] National Institute of Meteorology and Hydrology,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2023年 / 332卷
关键词：
Drinking water; U; U; Po; Annual effective dose;
D O I：
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中图分类号：
学科分类号：
摘要：
For the first time we report the activity concentrations of 238U, 234U and 210Po and the 234U/238U ratio in drinking water from certain sources in South-Central Bulgaria. The results obtained for water samples varied from 79 to 826 mBq l−1 for 238U, 130 to 1623 mBq l−1 for 234U, < 0.5 to 25.5 mBq l−1 for 210Po and from 0.93 to 3.21 for the 234U/238U activity ratio. The annual effective dose from 238U, 234U and 210Po varied from 8.85 to 62.5 μSv y−1 with a mean of 30.1 μSv y−1 and is below the individual dose criterion of 100 μSv y−1. The highest contribution to the annual effective dose was found for 234U.
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页码：4641 / 4649
页数：8
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