Ionizing radiation

5. Ionizing radiation
5.1. Scope and principles
5.1.1. This chapter gives specific information on ionizing radiation to help
employers, workers and competent authorities apply the general principles in Chapters
2 and 3. This chapter applies to workplaces where workers may be occupationally
exposed to ionizing radiation.
5.1.2.The Radiation Protection Convention (No. 115), and Recommendation
(No. 114), 1960, lay down basic principles and establish a fundamental framework for
radiation protection of workers.
5.1.3. Detailed guidance on ionizing radiation is given in the International basic
safety standards for protection against ionizing radiation and for the safety of radiation
sources (jointly sponsored by the FAO, IAEA, ILO, OECD/NEA, PAHO and WHO),
hereinafter referred to as the “Basic safety standards”; and the ILO code of practice
Radiation protection of workers (ionizing radiations) (Geneva, 1987).
5.1.4. Employers should, with the cooperation of the competent authorities and
workers’ organizations, consider the results of safety research and development, taking
the necessary steps for practical implementation, as appropriate, for the optimization of
the radiation protection of workers, categories of workers and the public.
5.1.5. The responsibilities of the competent authority (or authorities) concerned
with radiation protection should include:
(a) the formulation of the necessary criteria, standards and regulations for radiation
protection, in consultation with the representative organizations of employers and
workers concerned;
(b) the establishment of a system for notification, registration or licensing as required
in the Basic safety standards;
(c) the provision of general guidance necessary for the implementation of the
(d) the establishment of a system of inspection to ensure that the measures taken are in
compliance with the relevant requirements.
5.1.6. The responsibilities of the employers (and registrants1 and licensees,2 as
applicable) (hereinafter referred to as “management”) should include:
(a) the establishment of a policy for the protection of the health and safety of workers,
comprising appropriate measures, during planning, operation and
1 An applicant who is granted registration of a practice or source and has recognized rights and
duties for such a practice or source, particularly in relation to protection and safety.
2 The holder of a current licence granted for a practice or source has recognized rights and duties for
the practice or source, particularly in relation to protection and safety.

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