The US EPA expects to publish a draft document that would change its long-standing advice to state and local governments about how to limit long-term exposure to radiation after a reactor accident or a “dirty bomb” attack http://www.nytimes.com/2013/04/15/science/earth/new-rules-for-us-nuclear-disaster-response.html?ref=us The E.P.A. document, called Protective Action Guidelines, and the report prepared for the Department of Homeland Security […]