Singapore legislation
Regulation 47
of Radiation Protection (Ionising Radiation) Regulations 2023
Regulation 47
General responsibilities of licensees
Subregulation 1
Every licensee must verify and demonstrate compliance with these Regulations and the licence conditions, in any manner that may be required by the Director‑General, in relation to any public exposure delivered by a source for which the licensee has responsibility.
Subregulation 2
Every licensee in cooperation with a supplier must apply the principle of optimisation of protection and safety in the design, planning, operation and decommissioning of a source (or for closure and the post‑closure period for waste disposal facilities) and in doing so, must take into account —
possible changes in any conditions that could affect exposure to members of the public, such as changes in the characteristics and use of the source, changes in environmental dispersion conditions, changes in exposure pathways or changes in values of parameters used for the determination of the representative person;
good practice in the operation of similar sources or the conduct of similar practices;
possible build up and accumulation in the environment of radioactive substances from discharges during the lifetime of the source; and
uncertainties in the assessment of doses, especially uncertainties in contributions to doses if the source and the representative person are separated in space or in time.
Subregulation 3
Every licensee, for sources under the licensee’s responsibility, must establish, implement and maintain —
policies, procedures and organisational arrangements for protection and safety in relation to public exposure, in accordance with these Regulations;
measures for ensuring optimisation of protection and safety, and limitation of exposure to members of the public from such sources, in order that the total exposure is not higher than the dose limits for members of the public as specified in Part 2 of the Second Schedule;
measures for ensuring the safety of such sources;
provision for suitable and adequate resources (including facilities, equipment and services) for the protection and safety of members of the public, commensurate with the likelihood and magnitude of the exposure;
programmes for appropriate training of personnel having functions relevant to the protection and safety of the public, as well as periodic retraining as required, to ensure the necessary level of competence;
provision for appropriate monitoring equipment, monitoring programmes and methods for assessing public exposure;
emergency plans, emergency procedures and emergency response arrangements, in accordance with the nature and magnitude of the radiation risks associated with the sources; and
adequate records of monitoring programmes.
Subregulation 4
In paragraph (2), “representative person” means an individual who receives a dose that is representative of the doses to the more highly exposed individuals in the population publicly exposed to the source mentioned in that paragraph.