158 L. P. Lestaevel et al.: Radioprotection 2026, 61( 2), 156 – 165 Fig. 1. Evolution of SISERI and worker exposure monitoring.
dosimetric data after requesting it from IRSN. Since 2023, they can access it directly from the SISERI portal. To guarantee the protection of recorded data, access to SISERI is nominative( and issued to a natural person) with access rights depending on the status of the person( worker, occupational doctor, Radiation Protection Officers, etc.);
– The SISERI file of a worker attached to an institution / company or acting temporarily or as external worker contains all types of dosimetric data as appropriate to the working post: synthesis( all data), whole body [ Hp( 10) photon, Hp( 10) neutron, radon and NORM, calculated cosmic Hp( 10) for flight crew ], skin [ Hp( 0,07)], extremities [ ring or wrist ], eye lens [ Hp( 3)] and operational dosimetry [ Hp( 10) photon and Hp( 10) neutron ];
– It is possible to consult each data, to load a dosimetric history, to export data for statistical analysis, to manage workers exceeding regulatory limits. In addition to the data transmitted since 2005, the SISERI database has been enriched with " historical " data digitized from various media( paper, microfiche, diskette) or already centralized in the first database developed by OPRI.
2.3 SISERI consolidation
After the official launch of SISERI in 2005, the challenge was to ensure that all doses were recorded in SISERI. Firstly, passive dosimetry( whole body, skin, extremities for all alpha( a), beta( b), gamma( g), X-ray, neutron radiation), followed by exposure to natural radioactivity( aircrew, naturally occurring radioactive materials( NORM), radon). In 2023, in the first SISERI, over 1.8 million workers were recorded, and Figure 1 shows the progressive evolution of SISERI and worker exposure monitoring since its beginning in 1968. Alongside this primary mission of establishing the national register, the challenge was to strengthen the system to obtain contextual data such as occupation, business sector, and type of contract for workers exposed to ionizing radiation. The objective was to exploit SISERI to guide public authorities more efficiently and thus improve worker radiological protection, while maintaining this regulatory register mission. To this end, SISERI had to be enriched with contextual data. In 2008, work was done to deploy a nomenclature of business sectors and occupations in the field of ionizing radiation. Preliminary regulatory work was necessary to account for this nomenclature. The 2013 regulatory order( Légifrance, 2013) required the creation of a SISERI Employer Correspondent profile for the employer. The goal was to update worker data in SISERI based on the defined nomenclature.
In 2020, 15 years after the launch of SISERI, the DGT and IRSN noted that contextual data were not being systematically transmitted by employers despite the existing regulations. Indeed, SISERI was at the end of the chain of the worker exposure monitoring system to ionizing radiation and, even if it is mandatory, the partial transmission of data doesn’ t limit employers to implement radiological monitoring of workers and dosimetry laboratories to send data. Moreover, the data transmitted to SISERI were not sufficiently controlled prior to their transmissions by dosimetry laboratories or the SISERI Employer Correspondents and cannot all be automatically consolidated. Therefore, it was decided with the support of the French Ministry of Labor to undertake the redesign of SISERI. The objective was to simplify by implementing a single entry in SISERI by controlling via application programming interface( APIs) the worker’ s identification number( also called social security number, NIR) and their establishment( system for identifying the directory of establishments, SIRET).
In June 2023, the new SISERI was deployed to production( https:// siseri. irsn. fr) in accordance to the regulatory order of 2023 June 23 rd relating to the terms of registration and access