Question regarding Iodine-131: is it still being generated inside the spent fuel / nuclear waste in Chernobyl? From what I could gather, Iodine-131 is mostly a

Question regarding Iodine-131: is it still being generated inside the spent fuel / nuclear waste in Chernobyl? From what I could gather, Iodine-131 is mostly a fission byproduct, and is not present in any of the 4 decay chains[1]. If none is still being generated, there should not be any significant quantity left considering it has a half-life of only 8 days. [1]: https://en.wikipedia.org/wiki/Decay_chain https://en.wikipedia.org/wiki/Decay_chain