Indoor Radon Levels and Annual Effective Dose in Dwellings of Najran City, Saudi Arabia

The main objective of this study is to assess the health hazard due to the indoor radon. CR-39 as time-integrated passive solid-state nuclear track detectors (SSNTDs) were used in the indoor radon measurements of Najran City, Saudi Arabia. CR-39 detectors were distributed in dwellings of different p...

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Bibliographic Details
Published in:Key engineering materials 2018-10, Vol.786, p.393-399
Main Author: Badran, Heba M.
Format: Article
Language:English
Subjects:
Dwellings
Radon
Radon levels
Resorts & spas
Sensors
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Summary:The main objective of this study is to assess the health hazard due to the indoor radon. CR-39 as time-integrated passive solid-state nuclear track detectors (SSNTDs) were used in the indoor radon measurements of Najran City, Saudi Arabia. CR-39 detectors were distributed in dwellings of different places of the city. The detectors were exposed in the dwellings for two months and then etched in NaOH 6.25 N solution at 70 ±1°C for 5 h. This study revealed that the radon concentration in the dwellings ranged from 15.03±1.9 to 70.48±3.3 Bq m-3 with an average of 34.00±14.0 Bq m-3. Comparison of indoor radon concentration measurements in the different floors showed that the radon concentration in ground floors was slightly higher than that in first floors. Results showed that there is no significant health risk from indoor radon concentration and annual effective dose in the study region.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.786.393