Estimation of radiological dose due to radon, thoron and their progeny in indoor atmosphere of Shivamogga district, Karnataka, India

被引：0
|
作者：
Rangaswamy, D. R. [1 ]
Suresh, S. [2 ]
Srinivasa, E. [3 ]
Sannappa, J. [4 ]
机构：
[1] PES Univ, Dept Sci & Humanities, Elect City Campus, Bangalore 560100, India
[2] MPE Soc SDM Degree Coll, Dept Phys, Honavar 581334, India
[3] IDSG Govt Coll, Dept Phys, Chikkamagaluru 577102, India
[4] Kuvempu Univ, Dept Studies & Res Phys, Shankaraghatta 577451, Shivamogga, India
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2023年 / 332卷 / 06期
基金：
美国国家卫生研究院;
关键词：
Radon; Annual effective dose; Equilibrium equivalent concentration; Pin hole dosimeters; Equilibrium factor; UNATTACHED FRACTION; RADIATION-EXPOSURE; EQUILIBRIUM FACTOR; DWELLINGS; GARHWAL; REGION; UTTARAKHAND; ENVIRONMENT; RN-222; STATE;
D O I：
10.1007/s10967-023-08833-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This study reports the Rn-222, Rn-220, and their progeny concentration in Shivamogga district by using SSNTD's based pin hole dosimeters and deposition-based progeny sensor. The average indoor Rn-222 and Rn-220 concentration varies from 8.14 to 146 Bq m(-3) and 13.01 to 157 Bq m(-3) with a mean value of 60.61 and 61.77 Bq m(-3). The EEC for Rn-222 and Rn-220 ranges from 1.55 to 19 Bq m(-3) and 0.44 to 6 Bq m(-3) with a mean value of 7.29 and 2.66 Bq m(-3). The annual average equilibrium factor for Rn-222 is well within the global mean values of 0.4, while the thoron is bit higher than specified global mean values of 0.02. The annual effective dose varies from 0.31 to 2.5 mSvy(-1) with a mean value of 1.1 mSvy(-1).
引用
收藏
页码：2379 / 2388
页数：10
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