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NEA-OECD (1979) Nuclear Energy Agency-Organization for Economic Cooperation and Development. Exposure to Radiation from Natural Radioactivity in Building Materials. Report by NEA Group of Experts, OECD, Paris.

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• TITLE: Study of Radionuclides and Radon Exhalation Rate in Soil and Sand Samples from Tiba, Luxor, Governorate

  AUTHORS: Hani H. Negm, Nour K. Ahmed, Abdelbaset Abbady, Maha M. Reda

  KEYWORDS: HPGe Detector, Alpha GUARD, Natural Radionuclides, Hazard Index, Radon Gas

  JOURNAL NAME: World Journal of Nuclear Science and Technology, Vol.9 No.2, April 25, 2019

  ABSTRACT: In this study, the natural radionuclides in soil and sand have been measured by using high purity germanium (HPGe) detector. While, radon exhalation rate has been measured by Alpha GUARD. The data analysis is performed to determine 226Ra, 232Th, and 40K activity concentrations in addition to 222Rn exhalation rate. The values of radium equivalent activity (Raeq), external hazard index (Hex), internal hazard index (Hin), and absorbed dose rate were ranged from 46.46 to 124.16 Bq⋅kg−1, 0.07 to 0.33 Bq⋅kg−1, 0.09 to 0.42 Bq⋅kg−1, and 13.24 to 58.37 nGy⋅h−1 respectively in all samples. The area and mass exhalation rates were increased from 9.16 ± 2.83 to 16.18 ± 2.83 Bq⋅m−2⋅h−1 and 1.8 ± 1.34 to 11.35 ± 0.98 Bq⋅kg−1⋅h−1 respectively.