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Online training | Radiation protection for workers according to Article 25 ARBIS

Online training


Working with ionizing radiation brings certain safety and health risks. An awareness of the fundamentals of radiation physics, the health risks, the protection measures and legal obligations enables an effective prevention policy aimed at the protection against ionizing radiation.


This training course contains the following modules:

  • Introduction of radioactivity and ionizing radiation;
  • Health risks caused by exposure to ionizing radiation;
  • Fundamentals in radiation protection as determined by the Royal Decree of 20 July 2001;
  • Good practice for effective protection, including the collective and individual protection measures;
  • Meaning of warning signs, symbols and notifications installed by the Royal Decree of 20 July 2001;
  • Legal obligations in radiation protection of the employer and employee on a technical and medical level, including in case of emergency.

Groupe cible

This training course is aimed at workers who are possibly exposed to ionizing radiation in their professional environment, according to Article 25 of the Royal Decree of 20 July 2001. According to the regulation, this information and training course must be provided prior to employment at the work station, and repeated yearly and in function of the needs.

During this training course, the focus lies on the practical implementation of radiation protection on the workfloor, and attention is given to interaction with the participants.


Le programme complet peut être téléchargé ici:

AC_Programme_Article 25_20231113.pdf

Connaissances nécessaires

There is no pre-knowledge required.


There is no preparation needed.

Résultats de l'apprentissage

Upon completion of the course, participants will be able to

In terms of knowledge

  • Explain the physical principles of radioactivity and ionizing radiation;
  • List the main health effects related to and exposure to ionizing radiation;
  • Recall the three fundamental principles of the radiation protection system, as described in the Royal Decree of 20 July 2001;
  • Recognize the main warning signs and symbols installed by the regulation;
  • Give examples of good practice for individual and collective protection measures.

In terms of skills

  • Optimize its own protection by decreasing the exposure time, increasing the distance to the source and selecting the appropriate shielding;
  • Apply the main legal obligations in radiation protection in a controlled or supervised area.

In terms of responsibility/autonomy

  • Master radiation protection measures that will enable the existing dose limits to be respected.


Registration fee: 220 EUR (266,20 EUR,  21% VAT included).

Informations sur l'inscription

You can register using the button above until November 6, 2023. Registered participants will receive a link in due time to the online training.

Cancellation with total refund is only possible until November 7, 2023.

SCK CEN reserves the right to cancel a training course or event (e.g. in case of low number of registrations) without reimbursement of already made travel and accommodation arrangements.

We attach great importance to the safety of our trainees. SCK CEN has the right to modify the programme, cancel or postpone the training course at any time based on further instructions imposed by the Belgian government or internal instructions by the SCK CEN General Management related to the current COVID-19 pandemic.

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