The Paul Scherrer Institute's Dosimetry Service offers accredited dosimetry services for both internal and external customers in research, and nuclear fields, and governmental organizations, including emergency organizations. For medical dosimetry needs, we recommend other accredited dosimetry services in Switzerland.
Our services include:
- Individual whole-body dosimeters for external photon and beta
- Individual extremity dosimeters (finger ring dosimeters) for photon and beta
- Personal whole-body neutron dosimeters
- Environmental photon dosimeters
- In-vivo radioactivity measurements (whole-body counter, thyroid monitor, urine and excrete analysis)
Additionally, we provide non-accredited luminescence and neutron dosimetry for specialized projects in research and industry.
For External Customers (Dosimetry Outside PSI)
- Use the latest version of our form for registrations or service cancellations.
- Notify us of any changes (e.g. name, responsibility, address) via e-mail at dosimetry@psi.ch.
- Find our service conditions here.
- Companies must hold BAG authorization for radiation workers.
Dosimetry at PSI
In compliance with radiation protection regulations and the "General Directive for Radiation Protection at the Paul Scherrer Institute" (AW-96-18-01), individuals entering a controlled or supervised area must wear a dosimeter.
How to Request a Dosimeter?
| PSI Employees | The PSI employee can request a dosimeter using the “Order or change dosimetry” in CSS*. |
| Contractors | The PSI contact person should request a dosimeter using the “Request access for contractors” in CSS. |
| DUO User | A dosimeter is requested automatically via the DUO registration process. |
| Visiting Scientists | The PSI contact person should request a dosimeter using the “External guest with IT account and access” or the “Request access for contractors” in CSS. |
| Visitors | The PSI contact person should request an electronic personal dosimeter when requesting a badge for visitors (accompanied by PSI personnel without manual or technical activity) or on arrival at the entrance PSI West or PSI Ost. |
*CSS: Service Catalog in Consumer Self Service, only available in the PSI Intranet
Pick up your dosimeter
When a dosimeter is prepared, the users will receive an e-mail from the Dosimetry Service or from the DUO containing information on the dosimeter location.
Numbered dosimeter shelves are located at the entrance of PSI-West and PSI-East:
Handling your Dosimeter
- PSI Dosimeters must be worn visibly at chest level (or belly level for pregnant women) and only within PSI premises.
- When not in use, dosimeter should be stored in the designated dosimeter shelf (the shelf number is printed on the dosimeter).
- Lost, damaged, or accidentally irradiated dosimeters must be immediately reported to the Dosimetry Service.
- Quarterly dosimeter exchange: Dosimeters are exchanged quarterly, with dates announced in PSIAktuell. Dosimeters deposited in the storage compartment will be exchanged on the designated exchange date.
Return your Dosimeter
Upon termination of your contract or your stay at PSI:
- Place your dosimeter in the return box at the dosimetry service (OFLD/002 or WLGA/14; or
- Send it by internal mail to the Dosimetry (OFLD/002).
If the dosimeter was not returned during the quarterly exchange, please send it immediately to the Dosimetry Service as above.
Dosimetry results
- Request dose reports from the responsible manager or the Dosimetry service.
- For PSI employees, access dose data from the last two years and dosimeter location in your profile in the Customer Self Service
Contact
For inquiries, reach out to the Dosimetry Service at:
The main Dosimetry Service is located at PSI-East:
Akkreditierung
Akkreditierung der Schweizerischen Akkreditierungsstelle (SAS) als Prüfstelle (STS 0491) für Personendosimetrie, in-vivo Radioaktivitätsmessung und Umgebungsdosimetrie.
Scope of accreditation STS 0491
Certificate of accreditation STS 0491
Unparteilichkeitserklärung der Abteilung Strahlenschutz und Sicherheit
