But then, why would Ru-103 be present, which has a half-life of 9 days? https://www.dw.com/en/slight-radioactivity-rise-in-nordic-countries/a-53968555 https://

But then, why would Ru-103 be present, which has a half-life of 9 days? https://www.dw.com/en/slight-radioactivity-rise-in-nordic-countries/a-53968555 https://www.dw.com/en/slight-radioactivity-rise-in-nordic-co...