EVALUATION OF COMMITTED EFFECTIVE DOSE OF RADON GAS IN DRINKING WATER IN AL-QADISIYAH PROVINCE, IRAQ

IF 0.2 Q4 CHEMISTRY, MULTIDISCIPLINARY

Periodico Tche Quimica Pub Date : 2020-12-20 DOI:10.52571/ptq.v17.n36.2020.306_periodico36_pgs_291_301.pdf

M. S. Aswood, Mustafa S Almusawi, N. Mahdi, Ansam F. Showard

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引用次数: 1

Abstract

Scientific research is giving interest in determining the concentrations of Radon in drinking water and sediments due to the occurrence of serious diseases related to this chemical element. The solubility of Radon in water (potable and underground) allows percolation in soils and rocks. The concentrations of Radon natural radioactivity were measured in drinking water and sediment at a wastewater treatment plant (Al-Diwaniyah, Iraq) using trace detector RAD7 and CR-39 (diffusion chamber, Landauer). Sampling was carried out at 20 samples (10 of drinking water and 10 of sediment). The results of radioactivity showed that the concentration of 222Rn in drinking water varies from 0.05 to 0.47 Bq/L, with an average of 0.24 Bq/L. However, the 222Rn concentrations in the sediment vary from 29.16 to 60.52 Bq/m3, with an average of 42.43 Bq/m3. From the results, it was possible to calculate the contribution of Radon to drinking water associated with age. The effective annual doses were found below the recommended limit. Radon concentrations in drinking water and sediment showed high levels of radioactivity compared to the natural limit. However, the same results indicated low radioactivity levels compared to the United Nations Scientific Committee on the Effects of Atomic Radiation and the World Health Organization. In this way, all drinking water at these stations is safe to use.

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伊拉克AL-QADISIYAH省饮用水中氡气承诺有效剂量的评估

由于与这种化学元素有关的严重疾病的发生，科学研究正在关注确定饮用水和沉积物中氡的浓度。氡在水（饮用水和地下）中的溶解度允许土壤和岩石渗透。使用微量探测器RAD7和CR-39（Landauer扩散室）测量了废水处理厂（伊拉克Al-Diwaniyah）的饮用水和沉积物中氡的天然放射性浓度。对20个样本（10个饮用水和10个沉积物）进行了采样。放射性结果表明，饮用水中222Rn的浓度在0.05至0.47 Bq/L之间，平均为0.24 Bq/L。然而，沉积物中222Rn的浓度在29.16至60.52 Bq/m3之间，平均为42.43 Bq/m3。根据这些结果，可以计算出氡对饮用水的贡献与年龄有关。年度有效剂量低于建议限值。饮用水和沉积物中的氡浓度显示出与自然极限相比的高放射性水平。然而，同样的结果表明，与联合国原子辐射影响科学委员会和世界卫生组织相比，放射性水平较低。这样，这些站点的所有饮用水都可以安全使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Periodico Tche Quimica CHEMISTRY, MULTIDISCIPLINARY-

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