Modelling Approaches for Management and Remediation at Sites Affected by Past Activities

INTERNATIONAL ATOMIC ENERGY AGENCY

Report of Working Group 2 EMRAS II Topical Heading Reference Approaches for Human Dose Assessment

Environmental Modelling for RAdiation Safety (EMRAS II) Programme

IAEA-TECDOC-2036

English IAEA-TECDOC-2036 ¦ 978-92-0-154123-9

101 figures ¦ € 30.00 ¦ Date published: 2024

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Description

A range of diverse sites globally have been affected by past activities and events resulting in their contamination with residual radioactive material. As a result, there is a need to evaluate the site-specific radiological hazards and doses to people and the environment to determine whether remediation is justified and, if so, to develop and implement plans to address the situation. The IAEA has published a Generic Safety Guide (GSG-15) - Remediation Strategy and Process for Areas Affected by Past Activities or Events, which establishes a stepwise approach for the planning and implementation of remediation applying the principles of radiation protection. This publication presents the results generated from the modelling of case studies of sites contaminated with residual radioactive material from past activities and events within the Environmental Modelling for Radiation Safety (EMRAS II) programme to demonstrate the practical application of the stepwise remediation process presented in GSG-15.

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Keywords

Modelling Approaches, Management and Remediation, Sites Affected, Past Activities, Reference Approaches, Human Dose Assessment, Environmental Modelling for Radiation Safety, EMRAS II, Programme, Nuclear Power Plants, Safety Measures, Naturally Occurring Radioactive Material, NORM, Risk Assessment, In Situ Remediation, Historic NORM, Historic Nuclear Sites, Generic Remediation Framework, Planning and Implementation, Recommendations, IAEA Safety Standards, Testing, General Assessment Methodology, Environmental Impact Assessment, Radiological Risk Assessment, Screening Tools, Sophisticated Modelling Codes, Simulation Systems, Countries, Awareness Issues, Verification Monitoring, Safe Management, Remediation Goals and Objectives, Graded Approach, Models and Modelling Systems, Model Development, Model-Model Intercomparison, Residual Radioactive Material, Site-Specific Radiological Hazards, Principles of Radiation Protection