Activity concentration and annual effective dose estimation of 210Pb, 40K and 137Cs in soils of southern Algeria

  • M. Nadri
  • M. R. TanhaEmail author
  • C. Hoeschen
  • C. Khiari
  • A. Ioannidou
Original Paper


Sixteen soil samples with depth ranging from 0 to 2 cm were collected from the Sahara region near the locations where in the early 1960s France conducted a series of aboveground and underground nuclear tests in the south of Algeria. The 210Pb activity concentration in soil samples ranged between 0.6 and 62 Bq kg−1, the 40K activity ranged between 77 and 300 Bq kg−1, and the 137Cs activity ranged between 0.2 and 4 Bq kg−1. The annual effective dose of 137Cs and 40K was calculated between ~ 0.3 and 7.5 and ~ 34 and 136 µSv a−1 with an average of 3.72 and 74.68 µSv a−1, respectively. At some sampling points, the annual effective dose crosses the limit proposed by International Atomic Energy Agency and other international standards. To reduce the exposure of public to high level of dose in the area, some recommendations are proposed at the end of this study.


Environmental radioactivity French nuclear tests Environmental radioactivity Annual dose Sahara Algeria 



The authors are grateful to the offered support by the Department of Nuclear and elementary particle physics of the Aristotle University of Thessaloniki Greece, Institute for Radioecology and Radiation Protection (IRS) of the Leibniz University of Hannover Germany. This work was supported by the ENS (Ecole Normale Supèrieure) for M. NADRI PhD.

Compliance with ethical standards

Conflict of interests

The authors declare that there exists no conflict of interest.


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Copyright information

© Islamic Azad University (IAU) 2019

Authors and Affiliations

  1. 1.N-body Laboratory and Structure of Matter, Physics Department(ENS) V-KoubaAlgiersAlgeria
  2. 2.Institut für Medizintechnik (IMT)Otto-von-Guericke Universität MagdeburgMagdeburgGermany
  3. 3.Physics DepartmentEcole Normale Supérieure (ENS) Vieux-KoubaAlgiersAlgeria
  4. 4.Nuclear Physics Laboratory, Physics DepartmentAristotle University of ThessalonikiThessalonikiGreece

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