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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 skin
a.
absorption for tritium gas.
Tritiated water: Tritiated water can
b.
be absorbed through the skin. It has
been observed that moisture on hands
enhances absorption.
c.
Solvents: Some solvents
(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.
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