The Ukrainian nuclear reactors are described. This video explains what to worry about, and what not to worry about when a nuclear reactor is in a war zone:
If a plant has been shut down for two months or more, as is the case of Zaporizhzhia, the I-131 and shorter lived fission products will have decayed away. This a big plus. The contaminated milk to child thyroid pathway is eliminated; and the dose rates obtainable from the next most damaging isotopes, Cs-134 and Cs-137, are an order of magnitude lower than the peak dose rates from fresh fuel.
Ukraine's Nuclear Reactors, Illinois EnergyProf:
The Ukrainian nuclear reactors are described. This video explains what to worry about, and what not to worry about when a nuclear reactor is in a war zone:
https://www.youtube.com/watch?v=AD9v1GAOJAY
If a plant has been shut down for two months or more, as is the case of Zaporizhzhia, the I-131 and shorter lived fission products will have decayed away. This a big plus. The contaminated milk to child thyroid pathway is eliminated; and the dose rates obtainable from the next most damaging isotopes, Cs-134 and Cs-137, are an order of magnitude lower than the peak dose rates from fresh fuel.