Airborne concentrations and chemical considerations of radioactive ruthenium from an undeclared major nuclear release in 2017
- Masson, O.
- Steinhauser, G.
- Zok, D.
- Saunier, O.
- Angelov, H.
- Babic, D.
- Beckova, V.
- Bieringer, J.
- Bruggeman, M.
- Burbidge, C.I.
- Conil, S.
- Dalheimer, A.
- Geer, L.-E.
- Ott, A. de Vismes
- Eleftheriadis, K.
- Estier, S.
- Fischer, H.
- Garavaglia, M.G.
- Leonarte, C.G.
- Gorzkiewicz, K.
- Hainz, D.
- Hoffman, I.
- Hýža, M.
- Isajenko, K.
- Karhunen, T.
- Kastlander, J.
- Katzlberger, C.
- Kierepko, R.
- Knetsch, G.-J.
- Konyi, J.K.
- Lecomte, M.
- Mietelski, J.W.
- Min, P.
- Møller, B.
- Nielsen, S.P.
- Nikolic, J.
- Nikolovska, L.
- Penev, I.
- Petrinec, B.
- Povinec, P.P.
- Querfeld, R.
- Raimondi, O.
- Ransby, D.
- Ringer, W.
- Romanenko, O.
- Rusconi, R.
- Saey, P.R.J.
- Samsonov, V.
- Silobritiene, B.
- Simion, E.
- Söderström, C.
- Sostaric, M.
- Steinkopff, T.
- Steinmann, P.
- Sykora, I.
- Tabachnyi, L.
- Todorovic, D.
- Tomankiewicz, E.
- Tschiersch, J.
- Tsibranski, R.
- Tzortzis, M.
- Ungar, K.
- Vidic, A.
- Weller, A.
- Wershofen, H.
- Zagyvai, P.
- Zalewska, T.
- Zapata Garcia, D.
- Zorko, B.
DOIAbstract
A massive atmospheric release of radioactive 106Ru occurred in Eurasia in 2017, which must have been caused by a sizeable, yet undeclared nuclear accident. This work presents the most compelling monitoring dataset of this release, comprising 1,100 atmospheric and 200 deposition data points from the Eurasian region. The data suggest a release from a nuclear reprocessing facility located in the Southern Urals, possibly from the Mayak nuclear complex. A release from a crashed satellite as well as a release on Romanian territory (despite high activity concentrations) can be excluded. The model age of the radioruthenium supports the hypothesis that fuel was reprocessed ≤2 years after discharge, possibly for the production of a high-specific acti...
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