也门拉赫季省Wadi Al-Hussini和Tuban农业土壤样品中氡的放射性危害评价

Q4 Medicine

International Journal of Low Radiation Pub Date : 2020-01-01 DOI:10.1504/IJLR.2020.10036047

G. Salaheldin, Maher Taher Hussien, H. S. Mohamed

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引用次数: 3

摘要

本研究旨在评价在瓦迪胡西尼和图班作为农业区的农业土壤样品中222Rn的浓度及其放射性危害。从也门拉赫吉省收集了40个农业土壤样本。采用AlphaGUARD测量氡浓度，计算农业土壤样品中氡的呼出率和年有效剂量。Wadi Al-Hussini的222Rn平均活度浓度、面积氡呼出率、质量氡呼出率和室外年有效剂量分别为5170±1740 Bq m−3、(12.4±4.18)×10−4 Bq m−2s−1、(20.3±6.82)×10−6 Bq kg−1s−1和49.13 mSv y−1,Wadi Tuban的7263±2061 Bq m−3、(17.4±4.95)×10−4 Bq m−2s−1、(28.5±8.08)×10−6 Bq kg−1s−1和69.03 mSv y−1。Wadi Al-Hussini和Tuban地区农业土壤气体中222Rn浓度的平均值远高于联合国环境规划署(UNEP)的推荐参考值100 Bq m−3。

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Evaluation of radiological hazards of radon in agricultural soil samples, Wadi Al-Hussini and Tuban, Lahj Governorate, Yemen

The present study aims to assess 222Rn concentration and its radiological hazard for agricultural soil samples collected from Wadi Al-Hussini and Tuban as agricultural areas. Forty agricultural soil samples were collected from Lahj Governorate, Yemen. AlphaGUARD was used to measure radon concentration, and radon exhalation rates and annual effective dose in the agricultural soil samples were calculated. The average 222Rn activity concentration, area radon exhalation rate, mass radon exhalation rate and annual effective dose outdoor are as follows: 5170 ± 1740 Bq m−3, (12.4 ± 4.18)×10−4 Bq m−2s−1, (20.3 ± 6.82)×10−6 Bq kg−1s−1 and 49.13 mSv y−1 for Wadi Al-Hussini, 7263±2061 Bq m−3, (17.4±4.95) × 10−4 Bq m−2s−1, (28.5±8.08)×10−6 Bq kg−1s−1 and 69.03 mSv y−1 for Wadi Tuban. The average value of 222Rn concentration in agricultural soil gas in Wadi Al-Hussini and Tuban is much higher than the value of United Nations Environment Programme (UNEP), which the recommended reference 100 Bq m−3.

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来源期刊

International Journal of Low Radiation Environmental Science-Health, Toxicology and Mutagenesis

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期刊介绍： The IJLR is a peer-reviewed journal dedicated to the publication of research articles, review papers and technical notes in all domains related to low-dose radiation, among which are the biological and health effects in humans and the biota, in vitro and in vivo research on low radiation effects, regulatory and policy aspects, risk estimation and public perception.