Analysis of radon in shallow-well water: a case study at Phichit subdistrict in Songkhla province, Thailand

Radon levels were measured in shallow-well water samples collected from Phichit subdistrict in Songkhla province, Thailand. A total of 35 water samples from shallow-wells were collected and measured for the radon concentration. The measurements were performed using a RAD7 portable radon detector. Th...

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Bibliographic Details
Published in:Journal of physics. Conference series 2015-05, Vol.611 (1), p.12025
Main Authors: Charoensri, A, Siriboonprapob, S, Sastri, N
Format: Article
Language:English
Subjects:
Drinking water
Environmental protection
Gas detectors
Ingestion
Physics
Radon levels
Respiration
Water sampling
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Summary:Radon levels were measured in shallow-well water samples collected from Phichit subdistrict in Songkhla province, Thailand. A total of 35 water samples from shallow-wells were collected and measured for the radon concentration. The measurements were performed using a RAD7 portable radon detector. The radon concentrations varied from 0.18 ± 0.07 to 98.1 ± 5.92 Bq L with a mean value of 16.76 ± 2.33 Bq L. These recorded values were compared with the safe limit values recommended for drinking water by various health and environmental protection agencies. Thirty-four percent of the recorded values were within the safe limit of 11 Bq L recommended by the US Environmental Protection Agency. The annual effective dose from ingestion and inhalation of radon was also evaluated. The estimated total effective dose varied from 0.48 to 262.91 μSv year. The total effective dose in most of the samples (∼90%) in this study was within the safe limit (0.1 mSv year) recommended by the World Health Organization (WHO) and the European Council.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/611/1/012025