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Title: Evaluation of radioxenon releases in Australia using atmospheric dispersion modelling tools.
Authors: Tinker, R
Orr, B
Grzechnik, M
Hoffmann, EL
Saey, P
Solomon, S
Keywords: Xenon
Rare gases
Public health
Issue Date: May-2010
Publisher: Elsevier
Citation: Tinker, R., Orr, B., Grzechnik, M., Hoffmann, E., Saey, P., & Solomon, S. (2010). Evaluation of radioxenon releases in Australia using atmospheric dispersion modelling tools. Journal of Environmental Radioactivity, 101(5), 353-361.
Abstract: The origin of a series of atmospheric radioxenon events detected at the Comprehensive Test Ban Treaty Organisation (CTBTO) International Monitoring System site in Melbourne, Australia, between November 2008 and February 2009 was investigated. Backward tracking analyses indicated that the events were consistent with releases associated with hot commission testing of the Australian Nuclear Science Technology Organisation (ANSTO) radiopharmaceutical production facility in Sydney, Australia. Forward dispersion analyses were used to estimate release magnitudes and transport times. The estimated 133Xe release magnitude of the largest event (between 0.2 and 34 TBq over a 2 d window), was in close agreement with the stack emission releases estimated by the facility for this time period (between 0.5 and 2 TBq). Modelling of irradiation conditions and theoretical radioxenon emission rates were undertaken and provided further evidence that the Melbourne detections originated from this radiopharmaceutical production facility. These findings do not have public health implications. This is the first comprehensive study of atmospheric radioxenon measurements and releases in Australia. © 2010, Elsevier Ltd.
Gov't Doc #: 2144
ISSN: 0265-931X
Appears in Collections:Journal Articles

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