Assessment of Radioactivity Levels and Annual Dose Intake from Water Consumption in Sohag Governorate, Egypt.

Document Type : Original Article

Authors

1 Ministry of Education, egypt

2 Physics, Faculty of Scienceو Sohag University Sohag, Egypt

3 Food Science and Nutrition Department, Faculty of Agriculture, Sohag University, Sohag, Egypt.

Abstract

Abstract
In this study, the activity levels of 226Ra, 232Th and 40K in Bq/l, the associated total dose intake in mSv/y and lifetime cancer risk have been analyzed and discussed in water samples collected from different locations in Sohag governorate, Egypt. All the samples were measured at the Radiation Protection Department in the Nuclear and Radiological Regulatory Authority, Egypt using N-type HPGe detector. The average activity concentrations for all samples were 0.27, 0.06 and 1.61 Bq/l with maximum values 0.38, 0.19 and 2.53 Bq/l for 226Ra and 232Th and 40K respectively. The total dose intake scored for water consumption for different age groups for all samples is lower than that recommended by WHO. Lifetime cancer risk as a result of ingestion of radionuclides by adults from the sampled area shows that an average of 185.8 out of 1,000,000 may go through some of the fatality cancer developing and 6.7 out of 1,000,000 may go through some of the hereditary effects.

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