>I guess the related question is - the half life of Cs137 and St90 are both about 30 years. Which is disturbing because this spill has been there for about 45

>I guess the related question is - the half life of Cs137 and St90 are both about 30 years. Which is disturbing because this spill has been there for about 45 years already - it must have been as hot as hell to start with and you've got to wonder how many workers have been zapped by it over the years. Someone should start combing through records and finding out who's been in near proximity.