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|  DOE-HDBK-1105-2002
Radiological Training for Tritium Facilities
Instructor's Guide
Notes
1.
Beta Energy
Max energy = 18.6 keV
Ave. energy = 5.7 keV
A very low energy beta is emitted.
2.
Beta Range
Instructor should emphasize the
radiological controls are to keep
Tritium is not an "external" radiation
tritium outside the body.
hazard.
Explain what is meant by
"external" radiation hazard.
a.
Travels less than 1/4 inch in air
b.
Cannot penetrate through the dead
layer of the skin
c.
Cannot penetrate clothing or gloves
3.
Half-life
Show OT 20
Radioactive half-life = 12.3 years.
F.
X-Ray Production
Tritium betas can produce low energy x rays.
Because the beta particle is of such low energy
the x rays it may produce are not very
penetrating and are not normally considered a
hazard.
12
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