Preliminary measurements of natural radioactivity at Madurai district of Tamilnadu, India

被引：4
|
作者：
Saravanan, S [1 ]
Jodha, AS [1 ]
Gopalani, D [1 ]
Bhati, SS [1 ]
Kumar, S [1 ]
机构：
[1] Def Lab, Jodhpur 342011, Rajasthan, India
来源：
RADIATION MEASUREMENTS | 2003年 / 36卷 / 1-6期
关键词：
radon measurement; LR-115; films; gamma spectrometry; dose assessment;
D O I：
10.1016/S1350-4487(03)00159-8
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In dwellings, the radon and their daughter products contribute the largest fraction to the doses received from natural background radiation. In the present study, the radon levels at Madurai district of Tamilnadu have been measured initially for 15 dwellings using cellulose nitrate (C6H8O9N2) LR-115 type II (non-pelliculable) films and the dose assessment due to radon and its daughter product concentrations is calculated. These results were intercompared with other terrains viz. Jodhpur district of Rajasthan which is considered as semi-desert terrain and Jammu district of Jammu & Kashmir which is the hilly area. Also the natural radioactivity in soil samples of Madurai have been measured using Nal(Tl) detector based gamma spectrometry. From these radioactivity levels, the radium equivalent activity is calculated and a correlation between this and radon concentration has been tried out. (C) 2003 Published by Elsevier Ltd.
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收藏
页码：397 / 399
页数：3
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