Characterization and Effective Dose of Gross Alpha and Gross Beta Activities in Particulate Matters (PM2.5, PM10, SPM) in India

被引：0
|
作者：
Akhilesh Kumar Yadav
机构：
[1] Indian Institute of Technology (Banaras Hindu University),Department of Mining Engineering
来源：
Aerosol Science and Engineering | 2022年 / 6卷
关键词：
Particulate matter; Gross alpha and gross beta radioactivity; Meteorological factors; Individual effective dose; Atmospheric radionuclides;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A radiometric composition of airborne particles sample, collected twice a week for two consecutive years at Singrauli coalfield, India, is analyzed. The average ratio between gross alpha and gross beta in the particulate matter was observed 0.63 (PM2.5), 0.73 (PM10) and 0.91 (Suspended particulate matter). The seasonal variation of gross alpha radioactivity shows a minimum in the rainy and a maximum in the winter. These results are relevant to understanding the meteorological factors affecting alpha and beta activity concentrations in this area. The correlation between gross alpha and gross beta activities suggests a similar source. Minimum and maximum individual effective annual dose of gross alpha and gross beta due to particulate matters were caused by 137Cs and 232Th, respectively. In this study, the detailed aspects of activity have been investigated and discussed in the study area.
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页码：360 / 369
页数：9
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