Health physics aspects of activation products from fusion reactors Page: 2 of 14
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-2-
man so that adequate estimates can be made of their potential
radiological impact.
The major differences in environmental impact of fusion plants
compared to fission reactors are: (1) the absence of volatile fission
products that can lead to releases of these radionuclides on a
continuous basis, (2) the presence of a greater amount of
radioactivity in the form of activated structural material, and (3)
potentially greater rates of tritium release. Activation of CTR
materials with energetic neutrons can lead to the production of large
quantities of radionuclides not commonly encountered in fission
reactors. For some of these elements very little animal and/or human
data are available to construct accurate dosimetric models. The study
and collection of the metabolism of these activation products i
animals is time-consuming and it may take several years to obtain
viable and useful results.
The requirement to complete an Environmental Statement (ES) prior
to building a CTR will necessitate a compilation of site-specific
information and an understanding of the technological operations of
the facility to the extent that a scenario of major environmental
impacts can be derived. Further technological information and a
general understanding of environmental problems likely to be
encountered will be needed for preparation of an ES for the overall
program. There was a considerable amount of information included in
the ES for the LMFBR but many commentors felt that some of the
information was inadequate. To avoid a similar problem in preparation
of an ES for CTRs, it will be necessary to develop, on a timely basis,
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Shoup, R.L.; Poston, J.W.; Easterly, C.E. & Jacobs, D.G. Health physics aspects of activation products from fusion reactors, article, January 1, 1975; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc871817/m1/2/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.