A study of radon, thoron and annual effective dose in some Egyptian dwellings by twin-cup dosimeter technique with LR-115 detectors

被引：0
作者：
Hussein, A. S. [1 ,2 ]
机构：
[1] Naif Arab Univ Secur Sci Riyadh, Nucl Secur Program, Riyadh, Saudi Arabia
[2] Nucl Power Plants Author, Radiat Protect Dept, Cairo, Egypt
来源：
RADIOPROTECTION | 2023年 / 58卷 / 04期
关键词：
Radon; thoron; twin-cup; LR-115; detectors; annual effective dose; MOTHERS; HEALTH; RELIABILITY; VALIDITY; CHILDREN;
D O I：
10.1051/radiopro/2023025
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In the present study, Solid State Nuclear Track Detectors (LR-115-type II) based twin-cup dosimeters were used for estimating radon (222Rn) and thoron (220Rn) gas concentration levels in the environmental air of thirty dwellings in ten cities in Egypt. In the studied dwellings radon concentration levels were found to vary from 24.80 +/- 3.98 to 39.71 +/- 8.71 Bq m-3 with an average of 32.64 +/- 4.34 Bq m-3 whereas thoron concentration is found to vary from 10.46 +/- 2.87 to 15.41 +/- 2.72 Bq m-3 with an average of 12.48 +/- 1.58 Bq m-3. The total annual effective dose by the inhabitants of these dwellings due to radon and thoron was found below the recommended limit by the international agencies. The present study concluded that the dwellings are safe without posing significant radiological threats to human beings.
引用
收藏
页码：309 / 315
页数：7
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