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T. Bowyer Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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K. Abel Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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C. Hubbard Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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A. McKinnon Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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M. Panisko Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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R. Perkins Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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P. Reeder Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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R. Thompson Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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R. Warner Pacific Northwest National Laboratory P.O. Box 999 99352 Richland WA USA

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Abstract  

A fully automatic radioxenon sampler/analyzer (ARSA) has been developed and demonstrated for the collection and quantitative measurement of the four xenon radionuclides,131mXe(11.9 d),133mXe(2.2 d),133Xe(5.2 d), and135Xe(9.1 hr), in the atmosphere. These radionuclides are important signatures in monitoring for compliance to a Comprehensive Test Ban Treaty (CTBT). Activity ratios of these radionuclides permit source attribution. Xenon, continuously and automatically separated from the atmosphere, is automatically analyzed by electron-photon coincidence spectrometry providing a lower limit of detection of about 100 μBq/m3. The demonstrated detection limit is about 100 times better than achievable with reported laboratory-based procedures for the short-time collection intervals of interest.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)