DS EN 12679:2001
DS EN 12679:2001 Non-Destructive Testing - Determination Of The Size Of Industrial Radiographic Sources - Radiographic Method Defines the determination of the size of gamma radiographic sources of 0.5 mm or greater, made from the radionuclides Iridium 192, Ytterbium 169, Selenium 75 or Cobalt 60, by a method of radiography w