Lesson 1, Topic 1
In Progress

Class 7 – Radioactive Material

  • Articles or substances, which spontaneously, continuously and randomly undergo a process of disintegration and transformation that emit certain types of ionizing radiation
  • Although it can be harmful to health, none of the human senses can detect the radiation produced but it can affect materials such as undeveloped photographic or X-ray film
  • TDGR 2.37 Substances with a specific activity greater than 70 kBq/kg are included in Class 7, Radioactive Materials
  • No Packing Groups or Divisions
    o Class 7 substances are assigned to Categories to indicate level of radiation based on the Transport Index