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Procedure descriptions
Register workplaces in radon precautionary areas or in a working environment with an elevated radon concentration
The provisions of the Radiation Protection Act and the Radiation Protection Ordinance on protection against radon in indoor workplaces apply to you if you
- are the person responsible for workplaces on the ground floor and basement of buildings in radon precautionary areas in the state of Baden-Württemberg or
- are the person responsible for workplaces which, due to their nature, may lead to an increased radon concentration or
- work as another person (third party) at workplaces in external business premises that have an elevated radon concentration.
As the person responsible, report your measured workplaces to the responsible regional council if
- the radon concentration measured there is greater than 300 Becquerel per cubic metre despite your measures or
- a radon concentration greater than 300 becquerels per cubic metre has been measured at the workplace, but no measures to reduce the radon concentration are possible. In this case, you must state the reasons.
Register your activity with the responsible regional council if you are working as another person (third party) at several registered workplaces on your own responsibility.
Forms/Online Services
Responsible authority
- the regional council responsible for the location of the workplace subject to registration, or
- the regional council responsible for the other person (third party) who works independently in external business premises
Abteilung 5, Umwelt [Regierungspräsidium Freiburg]
Contact
Telefon (07 61) 2 08-0
E-Mail abteilung5@rpf.bwl.de
Elektronisches Gerichts- und Verwaltungspostfach DE.Justiz.e479bfc6-6fc4-47f4-8150-dd651f593ecc.a639
Details
Prerequisite
- the radon concentration measured at the workplace is greater than 300 becquerels per cubic metre despite measures, or
- no measures to reduce the radon concentration are possible at the workplace or
- You are working as another person (third party) at several registered workplaces on your own responsibility
Procedure
- As the responsible person, you register your measured workplaces with the responsible regional council if
- the radon concentration measured there is greater than 300 Becquerel per cubic metre despite measures or
- no measures to reduce the radon concentration are possible there, but then stating the reasons.
You can complete the registration electronically or in writing. - As another person (third party), you register your activity at several registered workplaces in third-party business premises.
You can complete the registration electronically or in writing. - Within a period of six months after registering the workplaces or registering the activity, you are obliged to estimate the expected exposure to radon for each worker concerned. Submit this assessment to the responsible regional council.
The submission of the assessment is currently only possible in writing.
- If your assessment for the worker concerned shows that the effective dose cannot exceed 6 millisieverts per calendar year, monitoring of this worker is not necessary under radiation protection legislation. Nevertheless, keep exposure to radon as low as possible.
- If the assessment for the worker concerned shows that the effective dose can exceed 6 millisieverts per calendar year, you are obliged to fulfil the requirements of occupational radiation protection for this worker in accordance with the Radiation Protection Act and Radiation Protection Ordinance.
Deadlines
- Registration of workstations: as soon as possible
- Registration of activity at registered workplaces: as soon as possible
- Radon exposure assessment: within 6 months of registration
- Submission of the radon exposure assessment: as soon as possible
Required documents
The notification must include, among other things
- Information on the type of workplace and the number of workplaces concerned
- the results of the measurements
- Information on the measures taken to reduce the radon-222 activity concentration and the results of a control measurement after implementation of these measures
- the further measures planned to reduce exposure
In the online applications or in the PDF forms on the joint homepage of the regional councils, this information, among other things, is requested and, if necessary, the uploading or attachment of supplementary documents is required.
Costs
- Fees for the registration and evaluation of the exposure assessment between EUR 100.00 and EUR 2,500 depending on the individual case
- Costs for using the measuring equipment of a recognised measuring body and for evaluating the measurements
Miscellaneous
On the joint homepage of the regional councils you will find the appropriate PDF documents for registration and exposure assessment.
Legal basis
Strahlenschutzgesetz (StrlSchG):
- § 126 bis § 132 Schutz vor Radon an Arbeitsplätzen in Innenräumen
- § 214 Anmeldung von Arbeitsplätzen in Innenräumen
Strahlenschutzverordnung (StrlSchV):
- § 155 Messung der Radon-222-Aktivitätskonzentration; anerkannte Stelle
- § 156 Arbeitsplatzbezogene Abschätzung der Exposition
- § 157 Ermittlung der Exposition und der Körperdosis
- § 158 Weitere Anforderungen des beruflichen Strahlenschutzes
Release note
machine generated, based on the German release by: Umweltministerium Baden-Württemberg, 11.03.2026