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2
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This is followed in Section III by a review of the
specific radiation protection regulations that are in force
in the United States today and which are at issue.
This
section focuses on the existing guidelines for Pu-239, but it
is to be understood that, in this and subsequent sections,
it should be applied to all alpha-emitting radionuclides that
meet the hot particle criteria developed in this report.
Before reading Section III, those unfamiliar with the
of
national and international organizations which have primary
responsibility for recommending or establishing radiation
protection standards, may find it useful to read Appendix
A, where these organizations and their authority are reviewed.
Section IV presents assumptions inherent in the existing
radiation protection standards and identifies those’ assump-
tions that are inappropriate when applied to insoluble
alpha-emitting-particulates.
The biological data which
demonstrate that these asSumptions are inappropriate when applied
‘to hot particles are discussed in Section V.
Utilizing the data presented in Section V, the
criteria that define a hot particle are developed in Section
VI.
Recommendations for exposure standards for hot particles
are then developed in Section VII and summarized in
Section VIII.