{"id":1844,"date":"2020-01-22T19:04:54","date_gmt":"2020-01-23T01:04:54","guid":{"rendered":"https:\/\/www.crpa-acrp-bulletin.ca\/?p=1844"},"modified":"2020-02-18T14:46:39","modified_gmt":"2020-02-18T20:46:39","slug":"nuclear-energy-agency-committee-explores-the-practical-implementation-of-equivalent-dose-limits-for-the-lens-of-the-eye-le-comite-de-lagence-pour-lenergie-nucleaire-etudie-la-mise","status":"publish","type":"post","link":"https:\/\/www.crpa-acrp-bulletin.ca\/fr\/2020\/01\/22\/nuclear-energy-agency-committee-explores-the-practical-implementation-of-equivalent-dose-limits-for-the-lens-of-the-eye-le-comite-de-lagence-pour-lenergie-nucleaire-etudie-la-mise\/","title":{"rendered":"Nuclear Energy Agency Committee Explores the Practical Implementation of Equivalent Dose Limits for the Lens of the Eye \/ Le comit\u00e9 de l\u2019Agence pour l\u2019\u00e9nergie nucl\u00e9aire \u00e9tudie la mise en pratique de limites de doses \u00e9quivalentes pour le cristallin de l\u2019\u0153il"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1849\" src=\"https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST.jpg\" alt=\"\" width=\"1200\" height=\"606\" srcset=\"https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST.jpg 1200w, https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST-300x152.jpg 300w, https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST-1024x517.jpg 1024w, https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST-768x388.jpg 768w, https:\/\/www.crpa-acrp-bulletin.ca\/wp-content\/uploads\/2020\/01\/NEA-EGDLE-members_POST-520x263.jpg 520w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><br \/>\n<span style=\"font-size: 85%;\"><strong>Members of the Nuclear Energy Agency\u2019s (NEA&rsquo;s) Expert Group on the Dose Limit for the Lens of the Eye (EGDLE)<\/strong> (from left to right): J. Dillard (United States, Department of Energy), S. Yokoyama (Japan, Fujita Health University), D. Pollard (Ireland, Radiological Protection Institute of Ireland), M.A. Chevallier (France, Institut de Radioprotection et de S\u00fbret\u00e9 Nucl\u00e9aire), M. Gomez Fernandez (NEA intern), T. Lazo (NEA, Committee on Radiological Protection and Public Health secretariat), M.C. Cantone (Italy, Universit\u00e0 degli Studi di Milano, Vice-chair EGDLE), N. Muroya (NEA Deputy Director-General for Management and Planning), C. Dodkin (Canada, Canadian Nuclear Safety Commission, Chair EGDLE), U. Oeh (Germany, Bundesamt f\u00fcr Strahlenschutz), J. Garnier-Laplace (NEA, EGDLE secretariat), Y. Hah (NEA, Head of Division of Radiological Protection and Human Aspects of Nuclear Safety), and M.D. Rueda Guerrero (Spain, Consejo de Seguridad Nuclear). Members absent from photo: A. Rossini (Argentina, Comisi\u00f3n Nacional de Energ\u00eda At\u00f3mica) and V. Rees (United Kingdom, Office for Nuclear Regulation). \/ <strong>Membres du groupe d\u2019experts sur la limite de doses pour le cristallin de l\u2019\u0153il (EGDLE) de l\u2019Agence pour l\u2019\u00e9nergie nucl\u00e9aire (AEN)<\/strong> (de gauche \u00e0 droite) : J. Dillard (\u00c9tats-Unis, D\u00e9partement am\u00e9ricain de l\u2019\u00e9nergie), S. Yokoyama (Japon, Fujita Health University), D. Pollard (Irlande, Radiological Protection Institute of Ireland), M. A. Chevallier (France, Institut de Radioprotection et de S\u00fbret\u00e9 Nucl\u00e9aire), M. Gomez Fernandez (stagiaire \u00e0 l\u2019AEN), T. Lazo (AEN, secr\u00e9taire du Comit\u00e9 de la radioprotection et de la sant\u00e9 publique), M. C. Cantone (Italie, Universit\u00e0 degli Studi di Milano, vice-pr\u00e9sident de l\u2019EGDLE), N. Muroya (directeur g\u00e9n\u00e9ral adjoint de l\u2019AEN, gestion et planification), C. Dodkin (Canada, Commission canadienne de s\u00fbret\u00e9 nucl\u00e9aire, pr\u00e9sidente de l\u2019EGDLE), U. Oeh (Allemagne, Bundesamt f\u00fcr Strahlenschutz), J. Garnier-Laplace (AEN, secr\u00e9taire de l\u2019EGDLE), Y. Hah (chef de division de l\u2019AEN, radioprotection et aspects humains de la s\u00fbret\u00e9 nucl\u00e9aire), et M. D. Rueda Guerrero (Espagne, Consejo de Seguridad Nuclear). Membres absents de la photo : A. Rossini (Argentine, Comisi\u00f3n Nacional de Energ\u00eda At\u00f3mica) et V. Rees (Royaume-Uni, Office for Nuclear Regulation).<\/span><\/p>\n<div class='content-column one_third'><div style=\"padding-right:10px;\"><div style=\"padding: 8px 5px 5px 5px; background-color: #eeeeee; border: #dddddd 2px solid;\">\n<h4>R\u00e9sum\u00e9<\/h4>\n<p>En mars 2019, le comit\u00e9 de la radioprotection et de la sant\u00e9 publique (CRPPH) de l\u2019Agence pour l\u2019\u00e9nergie nucl\u00e9aire (AEN) cr\u00e9ait le groupe d\u2019experts sur la limite de doses pour le cristallin de l\u2019\u0153il (EGDLE). L\u2019objectif premier du comit\u00e9 est de donner aux agents de r\u00e9glementation et aux parties prenantes (d\u2019entit\u00e9s nucl\u00e9aires et non nucl\u00e9aires) l\u2019occasion de partager les le\u00e7ons apprises lors de la mise en place de limites de doses \u00e9quivalentes pour le cristallin de l\u2019\u0153il pour les expositions en milieu de travail recommand\u00e9es par la Commission internationale de la protection radiologique (CIPR). Au cours de la premi\u00e8re r\u00e9union de l\u2019EGDLE en juillet 2019, les discussions ont port\u00e9 sur les principaux r\u00e9sultats provenant de plusieurs projets de recherche.<\/p>\n<\/div><\/div><\/div>\n<div class='content-column two_third last_column'><div style=\"padding-left:10px;\"><p>In March 2019, the Nuclear Energy Agency (NEA) Committee on Radiological Protection and Public Health (CRPPH) created the Expert Group on the Dose Limit for the Lens of the Eye (EGDLE). The main objective is to give regulators and stakeholders (nuclear and non-nuclear entities) an opportunity to share lessons learned in the practical implementation of the equivalent dose limits for the lens of the eye for occupational exposures recommended by the International Commission on Radiological Protection (ICRP).<\/p>\n<h1><strong>Background<\/strong><\/h1>\n<p>NEA is an intergovernmental agency based in Paris, France, that facilitates cooperation among countries with advanced nuclear technology infrastructures to seek excellence in nuclear safety, technology, science, environment, and law. CRPPH is an NEA committee made up of regulators and radiation protection experts with a broad mission to assist NEA member countries in the implementation and enhancement of the system of radiological protection.<\/p>\n<p>CRPPH has established a number of working parties and expert groups to support its work. Their mandates span nuclear and radiological emergency matters, legacy management, operational and analytical aspects of exposures at nuclear power plants, and implications of international recommendations on the system of radiological protection.<\/p>\n<p>Brian Ahier, director of the Radiation Protection Bureau of Health Canada, and Christina Dodkin, radiation protection specialist with the Canadian Nuclear Safety Commission (CNSC), represent Canada on CRPPH.<\/p>\n<h1><strong>Expert Group on the Dose Limit for the Lens of the Eye (EGDLE)<\/strong><\/h1>\n<p>During their annual meeting in March 2019, CRPPH created the Expert Group on the Dose Limit for the Lens of the Eye (EGDLE). Christina Dodkin, CNSC, is the chair of the EGDLE. Marie-Claire Cantone, professor of applied physics, University of Milan, is vice-chair. Member countries represented on the EGDLE include Argentina, Canada, France, Germany, Ireland, Italy, Japan, Spain, United Kingdom, and United States.<\/p>\n<p>The expert group\u2019s objective is to provide an opportunity for regulators and stakeholders to share their experiences implementing ICRP\u2019s recommended equivalent dose limits for the lens of the eye for occupational exposures. EGDLE\u2019s deliverables include:<\/p>\n<ul>\n<li>A report that summarizes the practical experiences of regulators and stakeholders worldwide for implementing ICRP\u2019s recommended equivalent dose limits for the lens of the eye for occupational exposures, including successes and challenges.<\/li>\n<li>Establishment of a network to maintain dialogue and information exchange.<\/li>\n<\/ul>\n<p>EGDLE\u2019s mandate was approved for a two-year term (until March 29, 2021).<\/p>\n<p>EGDLE held their first meeting from July 25 to 26, 2019. During the meeting, the main results from several research projects were discussed.<\/p>\n<ul>\n<li>Representatives from the Institut de Radioprotection et de S\u00fbret\u00e9 Nucl\u00e9aire (IRSN) and Public Health England, presented the main results from various European Commission-funded projects. A series of projects have been devoted to optimization of radiological protection in working procedures in the non-nuclear (medical) fields, as well as to the development of improved eye dosimetry and recommendations for implementation, including guidance for calibration and testing. Other projects have dealt with epidemiological studies and dose assessments in order to quantify the dose-response relationship on occupational cataracts and lens opacities among cardiologists.<\/li>\n<li>A representative of the Fujita Health University School of Health Sciences presented an overview of the epidemiological studies conducted in Japan.<\/li>\n<li>A representative of the Electric Power Research Institute (EPRI) presented the main conclusions following a meta-analysis of approximately 300 epidemiological studies to inform a quantitative estimate of a dose threshold for radiation-induced lens opacities, as well as ongoing research with the CANDU Owners Group (COG) on phantoms for eye lens dosimetry and on protection factors for common protective equipment, including safety glasses and face shields.<\/li>\n<li>A representative of the Comisi\u00f3n Nacional de Energ\u00eda At\u00f3mica, Argentina, briefly described two ongoing research projects. The first project, RELID, deals with Retrospective Evaluation of Lens Injuries and Dose in occupational exposure situations. The second project involves research on the mechanisms involved in lens injuries, using cell cultures of human lens samples from cadavers.<\/li>\n<\/ul>\n<p>Each EGDLE member also presented their national experiences implementing ICRP\u2019s recommended equivalent dose limits for the lens of the eye for occupational exposures, including successes and challenges to the approaches. Among the countries represented in the EGDLE, all have initiated at least the regulatory process to examine whether or not (and how) to implement new dose limits for the lens of the eye.<\/p>\n<p>Japan and some of the European Commission member states are well advanced, the latter being driven by the deadline for adoption of the EURATOM Basic Safety and Standards Directive (BSSD). Among those countries, some have decided to enforce the new dose limits exactly as recommended by ICRP, while others have opted for a transitional phase with full implementation at a later time.<\/p>\n<p>Other countries have not yet decided on the path forward for their regulatory framework, but all have launched actions of various types to engage stakeholders and\/or elaborate on and disseminate guidance for practical implementation by stakeholders.<\/p>\n<p>EGDLE members noted the overview of surveys conducted by the International Radiation Protection Association (IRPA) on the implementation of new lens-of-the-eye dose limits among their member countries. It was agreed that there is a wealth of information from the points of view of stakeholders, and more information is needed on the views of regulatory bodies. Therefore, next steps for the EGDLE will be to conduct a survey of nuclear and non-nuclear regulatory bodies through CRPPH member countries in early 2020. Priorities for the survey include:<\/p>\n<ul>\n<li>Understanding success factors for stakeholder engagement to ensure positive interactions when setting a substantial change in the dose limit to the lens of the eye<\/li>\n<li>Developing accreditation and approval processes for Hp(3) dosimetry<\/li>\n<li>Defining regulatory expectations for monitoring doses to the lens of the eye (protective equipment and correction factors, positioning of dosimetry, methods for indirect monitoring, etc.)<\/li>\n<\/ul>\n<p>To learn more about the EGDLE, contact Christina Dodkin at <a href=\"mailto:christina.dodkin@canada.ca\">christina.dodkin@canada.ca<\/a>.<\/p>\n<div style=\"padding: 10px 10px 0 10px; background-color: #eeeeee; border: #dddddd 2px solid;\">\n<h2>Christina Dodkin<\/h2>\n<p>Since 1998, Christina Dodkin has held a variety of positions within the Atomic Energy Control Board and the Canadian Nuclear Safety Commission (CNSC) and has been involved in the regulation of organizations ranging from large nuclear facilities to small-scale nuclear substance licensees. Christina is currently a radiation protection specialist and CNSC inspector.<\/p>\n<p>Depuis 1998, Christina Dodkin a occup\u00e9 plusieurs postes au sein d\u2019\u00c9nergie atomique du Canada limit\u00e9e et de la Commission canadienne de la s\u00fbret\u00e9 nucl\u00e9aire (CCSN), en plus de s\u2019impliquer dans la r\u00e9glementation d\u2019organisations, allant de grandes installations nucl\u00e9aires aux d\u00e9tenteurs de licences de substances nucl\u00e9aires \u00e0 petite \u00e9chelle. Elle est pr\u00e9sentement sp\u00e9cialiste de la radioprotection et inspectrice \u00e0 la CCSN.<\/p>\n<\/div><\/div><\/div><div class='clear_column'><\/div>\n","protected":false},"excerpt":{"rendered":"<p>In March 2019, the Nuclear Energy Agency (NEA) Committee on Radiological Protection and Public Health (CRPPH) created the Expert Group on the Dose Limit for the Lens of the Eye (EGDLE). \/ En mars 2019, le comit\u00e9 de la radioprotection et de la sant\u00e9 publique (CRPPH) de l\u2019Agence pour l\u2019\u00e9nergie nucl\u00e9aire (AEN) cr\u00e9ait le groupe d\u2019experts sur la limite de doses pour le cristallin de l\u2019\u0153il (EGDLE).<\/p>\n","protected":false},"author":56,"featured_media":1850,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[3,2],"tags":[],"class_list":["post-1844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-features"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nuclear Energy Agency Committee Explores the Practical Implementation of Equivalent Dose Limits for the Lens of the Eye \/ Le comit\u00e9 de l\u2019Agence pour l\u2019\u00e9nergie nucl\u00e9aire \u00e9tudie la mise en pratique de limites de doses \u00e9quivalentes pour le cristallin de l\u2019\u0153il - CRPA-ACRP Bulletin<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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