Open Access
Table 1.
All comparable sets of detections in north Europe since 2012.
| Release date | Activated corrosion products | |||||||||||||||
| Fission products | Actinides | |||||||||||||||
| Low volatile | Volatile | Low volatile | ||||||||||||||
| 46Sc | 60Co | 58Co | 59Fe | 54Mn | 95Nb | 95Zr | 134Cs | 137Cs | 103Ru | 106Ru | 141Ce | 144Ce | 140Ba | 234Th | 235U | |
| Half-life | 84 d | 5.3 y | 71 d | 45 d | 0.86 y | 35 d | 64 d | 2 y | 30 y | 39 d | 1 y | 33 d | 0.8 y | 13 d | 24 d | – |
| August 2014 | X | X | X | X | X | X | X | |||||||||
| May 2015 | X | X | X | X | X | X | X | |||||||||
| October 2015 | X | X | X | X | ||||||||||||
| August 2016 | X | X | X | X | X | |||||||||||
| May 2017 | X | X | X | X | ? | X | X | |||||||||
| May 2018 | X | X | X | X | ||||||||||||
| April 2018 | X | X | X | X | X | X | X | X | X | X | ||||||
| April 2019 | X | X | X | X | X | X | X | |||||||||
| July 2019 | X | X | X | X | X | |||||||||||
| March 2020 | X | X | X | X | ? | X | ||||||||||
| June 2020 | X | X | X | X | X | X | X | X | X | |||||||
| May 2022 | X | X | X | X | ||||||||||||
| February 2023 | X | X | X | X | ||||||||||||
| May 2023 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X |
| May–June 2024 | X | X | X | X | X | X | X | X | X | X | X | |||||
X Detected isotope. X usual 137Cs background detection due to Chernobyl accident. ? Suspected isotope, not directly measured but detection of its daughter isotope.
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