Overview
- The city closed the Schlossbergschule's basement workrooms for classes as a precaution shortly before the new term.
- Measurements taken over eight months showed concentrations above the 300 Bq/m³ reference level for occupied rooms.
- Technology instruction has been relocated to a workshop at another school to maintain lessons.
- Emergency teams inspected the affected areas, and the duration of the closure has not been set.
- The city is preparing structural and technical mitigation and has ordered further radon testing in other municipal buildings on the Schlossberg.