印度高背景辐射地区环境资源中的氡(222Rn)和钍(220Rn)评估

IF 1 4区 工程技术 Q4 INSTRUMENTS & INSTRUMENTATION MAPAN Pub Date : 2023-10-21 DOI:10.1007/s12647-023-00691-5
Prusty Parthasarathi, Abinash Sahu, S. K. Jha
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引用次数: 0

摘要

这项研究的基础是量化印度一个重金属矿产丰富地区环境中的 222Rn/220Rn 水平及其相关的健康风险。对土壤、水和室内空气等环境资源中的 222Rn 和 220Rn 活性进行了测量。分析工作是通过一台校准良好的 222Rn/220Rn 在线监测仪(RAD 7)进行的,该监测仪配有一个固态半导体检测器系统。监测了土壤气体中 222Rn 的深度剖面以及土壤中 222Rn 和 220Rn 的呼出速率。研究地区室内空气中 222Rn 放射性活度的测量结果表明,有效辐射剂量为 0.44-1.81 mSv.y-1,ELCR 为 0.17-0.7%。此外,还对高背景辐照区的地下水和地表水进行了溶解 222Rn 活度分析,其总辐射剂量为 2.7 至 21.4 µSv.y-1。
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Assessment of Radon (222Rn) and Thoron (220Rn) in Environmental Resources of a High-Background-Radiation Area, India

The cornerstone of the study is to quantify the 222Rn/220Rn levels and the associated health risk in the environment of a heavy mineral-rich area in India. 222Rn and 220Rn activity was measured in environmental resources like soil, water, and indoor air. The analysis was performed using a well-calibrated online 222Rn/220Rn monitor (RAD 7) which is having a solid-state semiconductor detector system. The 222Rn depth profile in soil gas and exhalation rates of 222Rn and 220Rn from soil were monitored. The measured 222Rn activity in the indoor air of the study area concluded an effective radiation dose of 0.44–1.81 mSv.y−1 and an ELCR of 0.17–0.7%. Groundwater and surface waters from the high-background-radiation area were also analysed for dissolved 222Rn activity which contributes to a total radiation dose from 2.7 to 21.4 µSv.y−1.

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来源期刊
MAPAN
MAPAN 工程技术-物理:应用
CiteScore
2.30
自引率
20.00%
发文量
91
审稿时长
3 months
期刊介绍: MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology. The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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