Na-22 and Zr-95 -Reply

[Charles Willis <CAW@nrc.gov>]

Henry,

Your interest in this pair of nuclides is a bit puzzling.  Of course, Na-22 is
cosmogenic and Zr-95 is a fission product.  I do not recall either nuclide being
important in environmental assessments.  Because interest in these specific
nuclides is limited, you are likely to need to resort to more general references such
as NCRP-94, Eisenbud & Gesell's "Environmental Radioactivity," Kathren,
Denham and Salmon's "Environmental Health Physics," Till & Meyer's
"Radiological Assessment," and the UNSCEAR reports.

Good luck.

Charlie Willis
caw@nrc.gov
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