Singapore legislation
Regulation 26
of Radiation Protection (Ionising Radiation) Regulations 2023
Regulation 26
Accounting for radioactive materials
Subregulation 1
Subject to paragraph (2), any person who has in the person’s possession any radioactive material must keep, or cause to be kept, a record of the following particulars in respect of the radioactive material:
the date of receipt of the radioactive material;
the quantity of radioactive material received by that person;
the nature and form of the radioactive material at the date mentioned in sub‑paragraph (a);
the activity of the radioactive material at the date specified by the manufacturer;
the location of the radioactive material kept up to date on each working day;
where the radioactive material is a sealed source —
the distinguishing number or other identifying mark;
the source use history, including all movements into and out of the storage location; and
the date and the manner of disposal of the sealed source;
where the radioactive material is an unsealed source —
the quantity of radioactive material used each time and the date and purpose of use;
the remaining quantity of radioactive material; and
the date and the manner of disposal of the radioactive material or any portion of it.
Subregulation 2
Paragraph (1) does not apply to any radioactive material —
in the course of the manufacture of the material; or
while stored, without having been used, on the premises in which they were manufactured or in which their manufacture was completed.
Subregulation 3
Where a licensee is in possession of radioactive material, any individual who is employed by the licensee and who has reasonable grounds for believing that any radioactive material is lost or missing, must immediately notify the licensee of the individual’s belief and the grounds for the belief.
Subregulation 4
Where a licensee has reasonable grounds for believing that any radioactive material has been lost or mislaid, the licensee must immediately notify the Director‑General and take immediate steps with a view to finding the radioactive material.