Phase II testing of Xenon International on Mount Schauinsland, Germany

Brander, Sofia; Baur, Sandra; Krais, Roman; Ross, J. Ole; Orr, Aaron M.; Sayne, Ryan; Howard, Michael R.; Mayer, Michael F.; Panisko, Mark E.; Hayes, James C.; Bollhöfer, Andreas

doi:10.1016/j.jenvrad.2022.107034

Phase II testing of Xenon International on Mount Schauinsland, Germany

Journal Article · Thu Oct 20 00:00:00 EDT 2022 · Journal of Environmental Radioactivity

DOI:https://doi.org/10.1016/j.jenvrad.2022.107034· OSTI ID:1996326

Brander, Sofia ^[1]; Baur, Sandra ^[1]; Krais, Roman ^[1]; Ross, J. Ole ^[2]; Orr, Aaron M. ^[3]; Sayne, Ryan ^[3]; Howard, Michael R. ^[3]; ^[4]; Panisko, Mark E. ^[4]; Hayes, James C. ^[4]; Bollhöfer, Andreas ^[1]

Federal Office for Radiation Protection, Freiburg (Germany)
Federal Institute for Geosciences and Natural Resources (BGR), Hanover (Germany)
Teledyne Brown Engineering, Knoxville, TN (United States)
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Station RN33 on Mount Schauinsland near Freiburg, Germany, is part of the International Monitoring System monitoring radioxenon in air (^131mXe, ¹³³Xe, ^133mXe, and ¹³⁵Xe) for verification of the Comprehensive Nuclear Test Ban Treaty. Here, we present data from phase II testing of a new system, Xenon International at RN33, July 14th, 2021 to Jan 22nd, 2022, together with SPALAX data from the same time period. Radioxenon could be detected in 473 of 719 samples, among them many multiple isotope detections. Activity concentrations of spiked and selected environmental samples were verified by laboratory reanalysis. Finally, the sensitivity of Xenon International for radioxenons is up to one order of magnitude better for the metastable isotopes than that of the SPALAX, with a shorter sampling duration of 6 h.

View Accepted Manuscript (DOE)

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 1996326

Report Number(s):: PNNL-SA-185742

Journal Information:: Journal of Environmental Radioactivity, Journal Name: Journal of Environmental Radioactivity Vol. 255; ISSN 0265-931X

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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