Portions of this document may be illegible in electronic image products. Images are produced from the best available original document.

No abstract

This report has been reproduced dkectlyfromthe best availablecopy. Because RADAC uses a preselected set of decay times and does not make in-reactor calculations, it should not be viewed as a substitute for ORIGEN2. RADAC is intended for use in applications in which accumulations at the decay times provided by h e code are sufficient for the user's purposes.xiii

Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. ACKNOWLEDGMENTS The authors would like to thank a number of persons for their useful contributions and suggestions made during the preparation of this report.