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Measurement of radon concentration in water within Ojo axis of Lagos State, Nigeria

Article scientifique 2022 Anglais

Résumé

Abstract Background: Radon (Radon-222) in water is one of the daily health hazard problems. Therefore, continue check of radon contamination in different types of water is essential.in the present work, sixteen groundwater and surface-water samples (wells, boreholes, and sachets) were collected from six different locations within Ojo Local Government area in Nigeria. The water samples collected were stored in 75 cl bottles which were already sterilized with distilled water to avoid contamination. Water samples were then taken to the laboratory for analysis of radon using RAD-7, an active electronic device produced by the Durridge Company in the USA. Results: The radon level in water is higher than the safer limits of 11 Bq/l as per EPA regulations except one site of the six under study. The total annual effective doses from ingestion and inhalation for drinking and ground water is upper than the safe limit of 0.1mSv y-1 recommended by WHO and EU council. Conclusions: The obtained results promote the development and/or the update of databases of radon levels in drinking and ground water in Ojo Local Government area in Nigeria.

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Mostafa, M., Olaoye, M., Ademola, A., Jegede, O., Saka, A., Khalaf, H. (2022). Measurement of radon concentration in water within Ojo axis of Lagos State, Nigeria. https://doi.org/10.21203/rs.3.rs-1397022/v1

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Mostafa Mostafa M.A. Olaoye Augustine Kolapo Ademola O A Jegede A A Saka Hyam Khalaf

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