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Physikalisch-Technische Bundesanstalt (PTB) Bundesallee 100 38116 Braunschweig, Germany http://www.ptb.de
Contact Ms Imke Frischmuth +49 531 5929323
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Physikalisch-Technische Bundesanstalt (PTB)

Untertagelabor der PTB ist umgezogen

Im Salzstock herrschen ideale Bedingungen für die Dosimetrie

(PresseBox) (Braunschweig, )
Das neue Untertagelaboratorium für Dosimetrie und Spektrometrie UDO II hat in einem Salzstock bei Helmstedt seinen Betrieb aufgenommen. Die Physikalisch-Technische Bundesanstalt (PTB) betreibt das Labor auf der 430-Meter-Sohle unter idealen Bedingungen für die Dosimetrie: Während an der Erdoberfläche ein durchschnittlicher Strahlungspegel von ca. 100 nSv/h (Nano-Sievert pro Stunde) herrscht, beträgt er im UDO II weniger als 2 nSv/h. Diese Voraussetzungen erlauben es der PTB, als weltweit einziger Anbieter Dosimeter rückgeführt auf Primärnormale bei Strahlungspegeln zu kalibrieren, wie sie in der natürlichen Umgebung üblich sind. Die im UDO II kalibrierten Dosimeter werden europaweit für die Messung von Radioaktivität in der Umwelt
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