Cherechedza ndima pazasi uye ipapo kupindura mubvunzo pashure nomutauro chete sezvo ndima: Passage: The U.S. yakatanga Girdler sulfide makemikari Exchange kugadzirwa muitiro<unk>which yakatanga kuratidzwa pamwero mukuru pana Dana, Indiana chirimwa muna 1945 uye panguva Savannah River Plant, South Carolina muna 1952. DuPont akavhiyiwa SRP nokuda USDOE kusvikira 1 April 1989, apo Westinghouse akatora pamusoro.
1 Kubvumbi 1989