INES• INES was introduced in March 1990 jointly by the International

Atomic Energy Agency (IAEA) and the Nuclear Energy Agency ofthe Organisation for Economic Co-operation and Development(OECD/NEA).

• The International Nuclear Event Scale (INES) User’s Manual, 2001 Edition, International Atomic Energy Agency, Vienna, 2001

• The International Nuclear Event Scale (INES) is a means for promptly communicating to the public in consistent terms the safety significance of any reported event associated with radioactive material and/or radiation and to any event occurringduring the transport of radioactive material.

• The last revision was published in 2001 and included a number of amendments arising from

• experience of use since its first publication in 1992.• Rating of Transport and Radiation Source Events. Additional

Guidance for the INES National Officers, Vienna, Austria, April2006

• This document provides additional guidance on the rating of transport and radiation source events. It will be incorporated into the INES User Manual at its next revision.