Repository of Research and Investigative Information

Repository of Research and Investigative Information

Hormozgan University of Medical Sciences

Assessment of concentration of radon 222 and effective dose; Bandar Abbas city (Iran) citizens exposed through drinking tap water

(2016) Assessment of concentration of radon 222 and effective dose; Bandar Abbas city (Iran) citizens exposed through drinking tap water. International Journal of Pharmacy and Technology.

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Abstract

Radon 222 is a natural radioactive element with 3.825 days half-life. 222Rnis colorless and odorless with high solubility in water. The presence of 222Rnin drinking water can lead to lung or stomach cancers through chronic exposure per inhalation or ingestion. Different age groups have different sensitivity to the health effects of 222Radon. In this cross-sectional study, the concentration of 222Rnin the 8 regions of Bandar Abbas city in 48 samples of tap water was measured by portable Radon meter RTM1688-2 model on June 2015. The effective dose by tap water was also calculated in different age groups through UNSCEAR equation. The range and mean concentration of 222Rnis 0.87-0.384 Bq/l and 0.232±0.7 Bq/l, respectively. The mean of the effective dose of exposure for the age groups was 0.0024±0.0007, 0.0018±0.0005, 0.0007±0.0002 and 0.001±0.0003 m Sv/y, respectively for adult males, adult females, children and infants. The magnitude’s order of measured doses of studied age groups was: adult males>adult females>infants>children. The effective doses, ingested by all groups, are less than the standard limits particularly for children (p value<0.001).The results of this research shows that 222Rn concentration in the tap water of Bandar Abbas city is lower than WHO, EU and EPA standard limits (p value<0.001). Also the effective 222Rn doses in the all age groups are much lower than standard limits. Given the daily high consumption of water, adult males between the Bandar Abbas citizens showed the highest sensitivity to the 222Rn health hazard. © 2016, International Journal of Pharmacy and Technology. All rights reserved.

Item Type: Article
Additional Information: cited By 1
Keywords: drinking water; radon 222, adult; Article; child; concentration (parameters); cross-sectional study; European Union; exposure; female; fluid intake; health hazard; human; infant; Iran; Iranian (citizen); male; radiation detector; radiation dose; radiation exposure; world health organization
Subjects: WA Public Health > WA 670-847 Environmental Pollution. Sanitation
Divisions: Research Vice-Chancellor Department > Social Determinants in Health Promotion Research Center
Depositing User: هدی فهیم پور
URI: http://eprints.hums.ac.ir/id/eprint/4089

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