 Pedzisa mutsara unotevera: Mamwe manyuko anogadzirwa nomunhu anobatsira zvishoma pazvose. Miedzo yezvombo zvenyukireya yomumhepo yakabudisa inenge 111185 PBq. Tsaona yomuna 1979 paThree Mile Island simba renyukireya rakasunungurwa pamusoro. Tsaona yeChernobyl yakabudisa anenge 35 PBq, uye tsaona yeFukushima Daiichi yakabudisa inofungidzirwa kuti 4484 PBq. 