So far, the most long-lived radioactive materials at the site appear to remain contained within the reactor buildings. Radioisotopes have and continue to escape containment, but there’s no indication yet that these are anything beyond secondary decay products with short half-lives. Although...

ScienceDaily (Feb. 21, 2011) — Failure to pursue a program for recycling spent nuclear fuel has put the U.S. far behind other countries and represents a missed opportunity to enhance the nation's energy security and influence other countries, the former chairman of the Nuclear Regulatory...