Effect of soil properties on radioactivity concentrations and dose assessment

被引：0
|
作者：
Amir M. González-Delgado
Punam Thakur
机构：
[1] Carlsbad Environmental Monitoring & Research Center,
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2022年 / 331卷
关键词：
Actinides; Transuranic; Exposure pathways; Gamma; Dose rate;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This study evaluated the correlation between radioactivity concentrations and soil properties, and determined the total annual effective dose near an underground geologic repository for transuranic wastes. Soil samples were collected from two historical monitoring areas (Near Field and Cactus Flats). Alpha-particle spectrometry was used for the analysis of 241Am, 239+240Pu and 238U, while 137Cs, 40K, 232Th and 226Ra were detected by gamma ray spectrometry. Higher radioactivity concentrations and stronger positive correlations between radioactivity concentrations and soil properties were obtained in Cactus Flats compared to Near Field. The total annual effective dose was lower than the recommended limit of 1 mSv y− 1.
引用
收藏
页码：3535 / 3544
页数：9
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