Risk assessment of radon in drinking water in Khetri Copper Belt of Rajasthan, India

被引：46

作者：

Duggal, Vikas ^{[1
,4
]}

Sharma, Samriti ^{[2
]}

Mehra, Rohit ^{[3
]}

机构：

[1] DAV Coll, Dept Phys, Bathinda 151001, Punjab, India

[2] Chandigarh Univ, Dept Appl Sci, Gharuan Mohali 140413, Punjab, India

[3] Dr BR Ambedkar Natl Inst Technol, Dept Phys, Jalandhar 144011, Punjab, India

[4] 28464,St 3A, Bathinda 151001, Punjab, India

来源：

CHEMOSPHERE | 2020年 / 239卷

关键词：

Drinking water; Radon; Annual effective dose; RAD7 radon detector; Rajasthan; IN-GROUND WATER; RN-222; CONCENTRATIONS; NORTHERN RAJASTHAN; DISSOLVED RADON; DEPLETION; SUPPLIES; EXPOSURE; BASEMENT; URANIUM; SAMPLES;

D O I：

10.1016/j.chemosphere.2019.124782

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Exceptionally high concentrations of radon have been found in drinking water originating from hand pumps in Khetri Copper Belt of Rajasthan. Radon concentration was determined using Durridge RAD7 professional electronic radon detector. The measured radon concentration ranged from 12.5 +/- 1.5 to 862 +/- 38 Bq l(-1). About 35% of the drinking water samples showed radon concentrations above the European Union's parametric value of 100 Bq l(-1). The high radon concentration obtained in groundwater is due to local natural geology. The total annual effective doses due to ingestion and inhalation of radon in drinking water varied from 0.10 to 6.7 mSv y(-1) for infants, 0.06-3.8 mSv y(-1) for children and 0.06 -4.4 mSv y(-1) for adults. (C) 2019 Elsevier Ltd. All rights reserved.

引用

页数：7

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