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239+240Pu
2
7Be
Arctic Ocean
Environmental Health and Occupational Health
2
129I
1
134Cs
1
137Cs
1
137Cs. 134Cs / 137Cs-ratio
1
210Pb
1
210Po
1
238Pu/239
1
240Pu- activity ratio
1
90Sr
1
Akademik Fedorov
1
Chernobyl accident
1
M/S Oden
1
Siberian coast-line
1
Tundra Ecology-94
1
air
1
seawater
1
surface air
1
surface water
1
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