Open Access

Table 2

All comparable sets of detections at Finland border since 2012.

Release date Activated corrosion product Release localization
Fission product
Low volatile Volatile Low volatile
60Co 58Co 59Fe 54Mn 95Nb 95Zr 134Cs 137Cs 103Ru 141Ce
Half-life 5.3 y 71 d 45 d 0.86 y 35 d 64 d 2 y 30 y 39 d 33 d
August 2014 X X X X X X x Not evaluated
May 2015 X X X X x X X Compatible with reference
October 2015 X X X X From the North
May 2017 X X X X ? X x Not evaluated
April 2018 X X X X X X X x X X Not evaluated
April 2019 X X X X X X x Not evaluated
July 2019 X X X x Not evaluated
March 2020 X X X X ? x Not evaluated
June 2020 X X X X X X X Reference

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