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Monday, April 13, 2020

Exclusion and exemption criteria for different exposure situations


ICRP in its Publication No. 104 (2007) provide guidance to national regulatory authorities on the scope of radiological protection using the principles of justification and optimization. Advice is provided for deciding the radiation exposure situations that need to be covered by the relevant regulations because their regulatory control can be justified. There are some situations where regulatory control is unjustified and need to be excluded because the exposures are unamenable to control. In some regulated practices, the regulatory control is unwarranted, and exemption from the regulations is found to be the optimum option,

The ICRP documents describe the exclusion and exemption criteria for planned exposure situations and the application of the criteria in emergency and existing exposure situations with some specific examples. The quantitative criteria need to be treated as generic values to the consideration by the national regulatory authorities for defining the scope of the control measures.

Wednesday, April 1, 2020

New Reference book on: Radiological Protection and Safety – A Practitioner’s Guide


Radiological protection and safety is the prime concern in all the radiation-related applications, i.e., nuclear power, nuclear fuel cycle operations, use in medicine for medical diagnosis and therapy and use in industry and research. The reference book: Radiological Protection and Safety – A Practitioner’s Guide is written by a well-experienced practitioner, Dr. Pushparaja, to introduce readers to all the relevant aspects of radiation, the effects, the applications, protection standards, transport of sources, control of occupational exposures, regulations and about the practice of radiological protection and safety.

There are specially trained and well-experienced team of professionals with this special knowledge of radiation protection and the safety who work tirelessly for protecting people who handle radiation and radioisotopes. There is also a need for protection of the environment. These experts practice radiation protection as a profession.

The methodology employed to ensure, the techniques and radiological protection of the occupational workers, the members of the public and the environment while utilizing the radiation sources in beneficial applications are presented in this reference book. Application details, exposures and exposure control measures, security, and transport of sources, management of radioactive waste and rules and regulations to be followed are discussed.

People, in general, are not aware of what and how these highly trained professionals do, to ensure protection. It is important that the reference book create awareness amongst educated and not so well educated about peaceful uses of atomic energy and radiological protection and safety.

The knowledge is a highly dispersed form, some organizations recommend protection standards, some provide guidance documents, some publish operating experience of the radiation sources in specific fields. National/international conferences are held to share the experience with facility operators, regulators, and people who have the responsibility of radiation protection. These details need to be communicated to the concerned people in a simple way. Communication is the key.

There is a gap in the knowledge. The idea of writing this guide is to put everything important in one place and let the people refer to the book for the latest information and updates in the field of their interest.

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