ASTRO's Committee on Physics Curriculum for Residents recently published 2010 updates to the Core Curriculum today, 5/18/10, onto the ARRO website. Some changes in curriculum include addition of Radiation Incidents and Bioterrorism Response Training and updates that reflect new treatment techniques and modalities.
http://www.astro.org/ARRO/Certification/PhysicsRadBioCurriculum/index.aspx
http://www.astro.org/ARRO/Certification/PhysicsRadBioCurriculum/index.aspx