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DOE-HDBK-1105-2002
Radiological Training for Tritium Facilities
Instructor's Guide
Notes
At the surface contamination levels
in 10 CFR 835 Appendix d,
tritium is difficult to measure
directly because the low-energy
beta is readily absorbed in air and
the window of the detector.
Show OT 49
Normal frisking methods (use of
pancake probe) will not detect
tritiated water.
Surfaces are normally wiped
(smeared) with a small paper,
either dry or moistened, which
will pick up loose tritiated
material. The wipe is then
normally counted by liquid
scintillation techniques.
VI.
TRITIUM WASTE MINIMIZATION AND
Show OT 50
HANDLING- Why is it important and how do you
minimize tritium waste?
This material maybe covered in
Radiological Worker I or II
(insert site specific controls)
training. Emphasis should be
on site specific information. It
Methods below are given as a reference only.
is not necessary to repeat
information.
A. Minimizing Tritium-Contaminated Waste
1.
Avoid generating wastes by not bringing
unnecessary material into the controlled
area.
2.
Whenever possible, avoid use of porous
materials or those known to be highly
permeable to tritium.
3.
Designate an area to store contaminated
tools for reuse or consider all tools in the
area to be contaminated.
25


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