Well, this is reassuring. According to a university instructor speaking at the AAAS meeting yesterday, the U.S. government would only mandate a cleanup after a dirty-bomb attack if the level of radiation was expected to expose individuals to the equivalent of more than 50,000 chest X-rays over 30 years.
Daniel Hirsch, an instructor at UC Santa Cruz and president of the Committee to Bridge the Gap, said the government considers it acceptable if one out of every three exposed people developed cancer due to the exposure to radiation.
I'll be checking previous coverage of this topic to see if there's a larger story here for Wired News.