‘Nuclides 2000: an Electronic Chart of the Nuclides’ has been developed and released as a CD-ROM by ITU, Karlsruhe. The Nuclide explorer gives access to the radionuclide decay data from JEF-2.2, using either a “Chart of the Nuclides’ or Segre display (Magill, 1999). Derived data include activities, gamma dose rates and annual limits of intake. There are additional features to this package, including background articles that describe various aspects of decay data and related historical publications.

‘Nuclides 2000’ allows the user to carry out decay calculations: starting from an initial mass or activity, the user can determine the masses, activities, radiotoxicities, gamma dose rates etc for all daughters at any time.

Contact ITU, Karlsruhe for further information:

Joseph Magill

Address: Institute for Transuranium Elements Postfach 2340 D-76125 Karlsruhe Germany

Tel: +49 7247 951366

Fax: +49 7247 951591

E-mail: magill@itu. fzk. de

More information on ‘Nuclides 2000’ is available on the Web (including direct purchase): http://www. nuclides. net/