2012-00-053 - USACE Radiation Safety Symposium - US Army Corps of Engineers ( 2012-01-01 - 2015-12-31 ) ID Number2012-00-053 Course TitleUSACE Radiation Safety Symposium SponsorUS Army Corps of Engineers Credits24+ Valid from/toSun, 01/01/2012 - 12:00 - Thu, 12/31/2015 - 12:00