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Assessment of indoor radon activity concentration levels in four northern districts of Telangana state, India
Journal of Radioanalytical and Nuclear Chemistry ( IF 1.5 ) Pub Date : 2021-08-22 , DOI: 10.1007/s10967-021-07929-z
G. Srinivas Reddy 1, 2 , M. Sreenath Reddy 1 , Ch. Gopal Reddy 1 , P. Yadagiri Reddy 1 , K. Vinay Kumar Reddy 3 , Sreenivasa Reddy B. 3 , B. Linga Reddy 3
Affiliation  

Indoor radon activity concentrations were carried out using twin cup dosimeters with SSNTDs in four districts viz., Karimnagar, Peddapalli, Jagtial and Rajanna Sircilla of Telangana state, India. The part of study area falls under Karimnagar Granulite Terrain, the geological region recognized for the occurrence of high uranium content metasedimentary enclaves within granite. The radon concentrations, in the study area, were found to vary from 7 to 457 Bq m−3 with a geometric mean of 62 Bq m−3 (GSD 2.24). The estimated radon activity is observed to obey log-normal distribution. The analysis of seasonal variation confirmed that the indoor radon concentration levels are relatively higher in the winter. Variation of radon activity levels in dwellings with different types of building materials was also studied and presented in this paper.



中文翻译:

印度 Telangana 州北部四个地区室内氡活动浓度水平的评估

室内氡活动浓度是在四个地区使用带有 SSNTD 的双杯剂量计进行的,即印度 Telangana 州的 Karimnagar、Peddapalli、Jagtial 和 Rajanna Sircilla。研究区的一部分属于 Karimnagar Granulite Terrain,该地质区域被认为在花岗岩中出现了高铀含量的变质沉积飞地。研究区域的氡浓度从 7 到 457 Bq m -3不等,几何平均值为 62 Bq m -3(GSD 2.24)。观察到估计的氡活度服从对数正态分布。季节变化分析证实,冬季室内氡浓度水平相对较高。本文还研究并介绍了使用不同类型建筑材料的住宅中氡活性水平的变化。

更新日期:2021-08-23
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