Estimating the Health Risks of Natural Radioactivity in Drinking Water in Al-Nahrawan City
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Water samples obtained from Baghdad Governorate (Al-Nahrawan city) and examined for radon, radium, and uranium contents, as well as the radon surface exhalation rate. The measurements have been carried out using CR-39 detector. Radon and radium concentrations found in drinking water samples are below the maximum contamination levels suggested by the US Environmental Protection Agency (11.1 Bq/l) and the World Health Organization (0.555 Bq/L), respectively. Results reveal that radon consumed and inhaled through drinking and ground water poses no considerable public health concern in the studied area, except some samples in AL-meaml and center city region.In general, the values of radon, radium, uranium and radon surface exhalation rate obtained in this study(1.28-14 Bq/L ,0.10-1.50 Bq/L,0.13-1.50 ppm and 1.53-16.68 Bq/m2h) respectively. The findings of this study show that radon ingestion and inhalation of drinking water provide no major public health concern.
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