Lesson 1,
Topic 1
In Progress
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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
