Gross alpha and beta exposure assessment due to intake of drinking water in Guilan, Iran
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In this study, the activity concentration of the gross α and β in drinking water samples collected from 28 different locations in the North Guilan province in Iran was measured. For this purpose, the proportional scintillator system was used. We found out that the obtained values of gross α and β activity concentration levels in all samples do not exceed the WHO recommended levels 500 mBq L−1 for gross α and 1000 mBq L−1 for gross β. Also, the excess lifetime cancer risk probability due to the consumption of drinking water ranges between 3.21 × 10−5 and 3.07 × 10−4 with a mean value of 1.44 × 10−4.
KeywordsActivity concentration Drinking water Cancer risk Gross α and β
The authors would like to thank the lab personnel of the National Geoscience database of Iran (NGDI).
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