Volume 3, Issue 6, November 2017, Page: 60-67
Public Exposure Due to Natural Radioactivity in Madagascar Uranium Zone Using Direct and Indirect Method, Case of Vatovory Abandoned Site and Its Surroundings
Razafindramiandra Hary Andrianarimanana, Department of Dosimetry and Radiation Protection (DRP), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Randriamora Tiana Harimalala, Department of Dosimetry and Radiation Protection (DRP), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Rasolonirina Martin, Department of Nuclear Techniques and Analysis (ATN), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Ralaivelo Mbolatiana Anjarasoa Luc., Department of Dosimetry and Radiation Protection (DRP), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Randrianarivony Edmond, Department of Physics, Faculty of Sciences, University of Antananarivo, Antananarivo, Madagascar
Randriantseheno Hery Fanja, Department of Dosimetry and Radiation Protection (DRP), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Randriantsizafy Ralainirina Dina, Department of Dosimetry and Radiation Protection (DRP), National Institute of Sciences and Nuclear Techniques (INSTN-Madagascar), Antananarivo, Madagascar
Received: Oct. 6, 2017;       Accepted: Oct. 28, 2017;       Published: Nov. 20, 2017
DOI: 10.11648/j.rst.20170306.12      View  1412      Downloads  78
Abstract
The rural Municipality of Vinaninkarena (19°57'21.9"S; 47°02'22.1"E) has abandoned uranium site, located in the Vatovory village. The uranium mining has been exploited by CEA (Commissariat à l'Energie Atomique) French Company between 1946 and 1952. After closing of exploitation, the hazards of internal and external exposures persist, because most of the populations are not aware of the harmfulness effects of the ionizing radiations. In fact, this present work enable to compare the results of the mean annual effective dose received by the population in the outdoor and the indoor of the studied areas using direct method TLD dosimeters and IdentiFinder; and the indirect method from the soil radioactivity measurement for the external exposure. The obtained results of annual effective dose have been compared with the three international (UNSCEAR 2000, BSS 115, and GS Part 3 Interim), and the national (Radiation Protection Regulation in Madagascar) references values. It has been established that the direct method using Thermoluminescent Dosimeters (TLDs) and IdentiFinder are shown more efficient of the received dose assessment compared to the indirect method. In addition, the dose rate values provided by the IdentiFinder spectrometer are relatively similar to the value indicated by the individual TLDs using the correlation plot.
Keywords
Uranium, External Exposure, Effective Dose, Correlation, Indoor and Outdoor
To cite this article
Razafindramiandra Hary Andrianarimanana, Randriamora Tiana Harimalala, Rasolonirina Martin, Ralaivelo Mbolatiana Anjarasoa Luc., Randrianarivony Edmond, Randriantseheno Hery Fanja, Randriantsizafy Ralainirina Dina, Public Exposure Due to Natural Radioactivity in Madagascar Uranium Zone Using Direct and Indirect Method, Case of Vatovory Abandoned Site and Its Surroundings, Radiation Science and Technology. Vol. 3, No. 6, 2017, pp. 60-67. doi: 10.11648/j.rst.20170306.12
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Reference
[1]
International Atomic Energy Agency (IAEA), “Heath surveillance of persons occupationally exposed to ionizing radiation: Guidance for occupational physicians”, Safety Reports Series N° 5, Vienna, 1998.
[2]
Centre d’Etudes Nucléaires de Saclay, “Gisement uranifère dans les formations sédimentaires en France et dans l’union française”, Rapport CEA N° 911, 1958.
[3]
RANDRIANTSEHENO Hery Fanja, “Evaluation des doses d’irradiation autour d’une ancienne mine d’exploitation d’uranium. Cas du site de Vatovory Vinaninkarena Antsirabe Madagascar”. Thèse de Doctorat en Physique, Université d’Antananarivo, 2002.
[4]
ANDRIAMAROJAONA Aimé Augustin, “Evaluation des doses gamma de l’environnement de zone uranifère: Cas de vinaninkarena”, Master en physique et applications, Université d’Antananarivo, 30 octobre 2014.
[5]
RASOLONIRINA Martin, “Etude de la radioactivité des eaux de consommation en milieu uranifère: Cas de Vinaninkarena et ses environs”, Diplôme d'Etudes Approfondies en Physique, Université d’Antananarivo, 29 décembre 2003.
[6]
RAKOTOMALALA ANJA Elijaona Herinasandratra, “Dosimétrie de l’environnement des zones d’exploitations minières: cas de Ranobe-Toliara et Vinaninkarena-Antsirabe”, Diplôme d'Etudes Approfondies en Physique, Université d’Antananarivo, 30 octobre 2014.
[7]
RAOELINA ANDRIAMBOLOLONA and al, “Radon Progenies as a source of Gross Alpha- Beta Activities in drinking Water in Vinaninkarena, Antsirabe, Madagascar”, HEP MAD 04 International conference, Antananarivo, 27 September 2004- 01 October 2004.
[8]
BICRON NE., “Model 6600 Automated TLD Card Reader with WinREMsTM, Operator’s Manual”, Publication N° 6600-0-O-0602-005. June 26, 2002.
[9]
FLIR IDENTIFINDER 2, “Manuel de l’utilisateur”, Juillet, 2012.
[10]
International Atomic Energy Agency (IAEA), “Calibration of Radiation Protection Monitoring Instruments”, Safety Reports Serie N° 16, Vienna, 2000.
[11]
Global Positioning System (GPS), “Standard positioning Service Signal Specification”, 2nd Edition, June 2, 1995.
[12]
BICRON NE., “Model 6600 Automated TLD Card Reader Workstation, Operator’s Manual”, Publication N° 6600-0-O-0598-004. May 28, 1998.
[13]
International Atomic Energy Agency (IAEA), “Measurement of Radionuclides in Food and the Environment. Collection and Preparation of Samples”. A Guidebook. Technical Reports Series No. 295, Vienna, 1989, p 169.
[14]
United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), “Report to the General Assembly”. Vol. 1, Annex. B; 2008.
[15]
United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR), “Sources and effects of ionizing radiation”. 2000 Report to the General Assembly, Exposures from natural radiation sources. Annex B; 2000.
[16]
ASGHAR M., TUFAIL M., SABIHA-JAVIED ABID A., WAQAS M., “Radiological implications of granite of northern Pakistan”, J. Radiol. Prot. 28, 387-399, 2008.
[17]
Journal Officiel de la République de Madagascar n° 2836, “Décret 2002-1199 fixant les principes généraux de Radioprotection”, 2003.
[18]
International Atomic Energy Agency (IAEA), “International Basic Safety Standards (BSS) for Protection against Ionizing Radiation and for the Safety of Radiation sources”. Safety Serie, Vienne, 1996.
[19]
International Atomic Energy Agency (IAEA), “Radiation Protection and Safety of Radiation Sources. International Basic Safety Standards”, GSR Part 3, Vienna, 2014.
Browse journals by subject