Radiological Training for Tritium Facilities
By-Product of Reactor Sources
Li + 1 n yields
H + 1 n +α
Lithium-7 captures a neutron and
n yields 1 H + 2α
decays with tritium as a product.
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Boron captures a neutron and decays
H + 1 n yields 1 H
with tritium as a product.
Activation of deuterium in water.
Ternary fission - A fission resulting
in three fission products, one of which
is tritium. This process has a 0.1%
The production of tritium from power
reactors around the world is less than one-
half that naturally formed (approximately 1
to 2 million curies a year).
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Weapons Testing as a Source
The amount of tritium in the world from
weapons testing has been steadily
declining since the 1970's when
atmospheric testing was curtailed.
Atmospheric testing from 1945-1975
produced about 8 billion curies. This has
decayed to about 400 million curies.