Entrance requirements
Entrance requirements for GSI controlled areas
- for GSI employees
- for guests and external company staff
Entrance requirements for GSI employees
To have access to the controlled areas the following requirements must be fulfilled:
- medical examination (not older than 12 months)
- GSI online safety and online radiation protection instructions (not older than 12 months)
- official personal dosimeter
Further more the following requirements must be fulfilled:
- the accumulated effective body dose of this year must be less than 20 mSv
- the accumulated effective body dose in total must be less than 400 mSv
Entrance requirements for guests and external company staff
You find all information regarding entrence requirements in the Strahlenschutzanweisung für Gäste und Fremdfirmen-Mitarbeiter.
In brief:
- medical examination (not older than 12 months)
- safety and radiation protection instructions (not older than 12 months), additional workplace related instructions
- official personal dosimeter (please bring your own one to GSI)
- radiation passport
- permission regarding §25 StrlSchG of the external company(=University, Institute, etc.)
- demarcation contract between GSI and external company
Further more the following requirements must be fulfilled:
- the accumulated effective body dose of this year must be less than 20 mSv
- the accumulated effective body dose in total must be less than 400 mSv
medical examination / medical certificate
To have access to the GSI controlled areas you need a certificate of your medical examination. The following information are mandatory:
- Name and first name
- Date of birth
- Day of the medical examination
- no medical objections regarding a work with ionising radiation
- Name and signature of the medical doctor
If you don't have a medical certificate yet, you can use the following form "medical certificate" .
radiation passport

To check if your accumulated effective dose of this year is less than 20 mSv and your effective dose in total is less than 400 mSv, we need your radiation passport. Please bring it to GSI.
If you don't have a radiation passport, please bring a dose report to GSI including the following information:
- Date of birth
- last medical examination
- accumulated effective dose of this year
- accumulated effective dose in total