Results and analysis of an intercomparisons study for individual monitoring services of Latin American and Caribbean regions

Author:

Khoury Helen1ORCID,Menchaca Ignacio2,Andres Pablo3,de Barros Vinicius1,Silva Everton4,Alonso Thessa5,Molina Daniel6,Noguera Gerardo7,Videla Ricardo8,Rubio José9,Bastidas Byron10,Quintero Claudia11,Castillo R12,Castillo Andrea13,Kawas Nabil14,Grant Charles15,Garcia Ana Laura16,Martinez Edwars17,Mora Juan18,Suarez Rodolfo Cruz18

Affiliation:

1. Departamento de Energia Nuclear (UFPE) , Av. Prof Luiz Freire 1000 Recife, Brazil

2. Autoridad Regulatoria Nuclear (ARN) , Argentina

3. Comisión Nacional de Energía Atómica (CNEA) , Argentina

4. Instituto de Radioproteção e Dosimetria (IRD/CNEN) , Brazil

5. Centro de Desenvolvimento de Tecnologia Nuclear (CDTN/CNEN) , Brazil

6. Centro de Protección e Higiene de las Radiaciones (CPHR) , Cuba

7. Centro de Investigación en Ciencias Atómicas , Nucleares y Moleculares (CICANUM), Costa Rica

8. Comisión Chilena de Energía Nuclear (CCHEN) , Chile

9. Comisión Nacional de Energía de República Dominicana (CNE) , República Dominicana

10. Subsecretaria de Control y Aplicaciones Nucleares (SCAN) , Ecuador

11. Laboratorio de Dosimetría Externa, Ministerio de Energía y Minas , Guatemala

12. Instituto Peruano de Energía Nuclear (IPEN) , Peru

13. Laboratorio de Física de Radiaciones y Metrología (LAF-RAM/UNAN-Managua) , Nicaragua

14. Universidad Nacional Autónoma de Honduras (UNAH) Facultad de Ciencias – Instituto Hondureno de Ciências de la Terra- , Honduras

15. University of the West Indies International Centre for Environmental and Nuclear Sciences, , Jamaica

16. Laboratorio Personal de Dosimetría Externa (LPDE/MIEM) , Uruguay

17. Dirección de Salud Radiológica del Ministerio de Salud de Venezuela , Venezuela

18. International Atomic Energy Agency (IAEA) , Austria

Abstract

Abstract The aim of this paper is to present the results obtained by the Latin-American and Caribbean personal dosimetry services that participated, with the support of IAEA, in the 2020-Eurados whole-body dosemeter intercomparison for photon radiation. All participant services in this study use thermoluminescent dosimetry (TLD) systems except one that uses optically stimulated luminescence (OSL) dosemeters. Data analysis shows that 93.4% of the results are within the acceptance range, according to International ISO Standard ISO 14146: 2018. The evaluation of the trumpet curves shows that only three laboratories presented a few dosemeters results outside the limits of acceptability. Participation in this Eurados intercomparison exercise gave the Latin American and Caribbean laboratories the opportunity to show compliance with their own quality management system, to compare results with other participants and to develop plans for improving their dosimetry systems. It also gave the assurance that occupational doses are being measured properly and following the international standards in the regions.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Reference4 articles.

1. ISO 17025:2017– General requirements for the competence of testing and calibration laboratories – International Organisation for Standardisation. Genf,

2. EURADOS intercomparisons for individual monitoring services: results of the 2016 and 2018 whole body dosemeters intercomparison for photon and beta radiations;Stadtmann;Radiat. Meas.,2020

3. ISO 4037-1. X and gamma reference radiation for calibrating dosimeters and dose rate meters and for determining their response as a function of energy-part 3: calibration of area and personal dosimeters and the measurement of their response as a function of energy and angle of incidence,2019

4. ISO 14146:2018, 2018. Radiation protection - criteria and performance limits for the periodic evaluation of processors of personal Dosemeters for X and gamma radiation

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