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DOE-HDBK-1105-2002
Radiological Training for Tritium Facilities
Student's Guide
Notes
3.
Absorption
Absorption is also a hazard because an
individual can receive, in certain
situations, 1/3 of their uptake from
absorption through the skin if not
properly using personal protective
equipment.
Tritium gas: There is negligible
a.
skin absorption for tritium gas.
Tritiated water: Tritiated water
b.
can be absorbed through the skin. It
has been observed that moisture on
hands enhances absorption.
Solvents: Some solvents
c.
(organically bound tritium) can also
go through the skin.
Tritium will penetrate gloves, therefore
gloves must be changed at a prescribed
routine basis.
D. Biological Behavior of Uptakes of Tritium
Tritiated water in the body acts just like
water.
1.
Distribution
Tritiated water is rapidly and uniformly
distributed throughout the entire body.
The Committed Effective Dose
Equivalent (CEDE) from an uptake of
one curie of tritiated water is 63 rem.
Soluble organically bound tritium
behaves in the body in a similar
manner.
Stable tritium particulate aerosols and
insoluble organically bound tritium
behave in the body in a similar manner
as the particulate to which the tritium
is bound.
13


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