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|  DOE-HDBK-1105-2002
Radiological Training for Tritium Facilities
Instructor's Guide
Notes
4.
Dilution Ventilation
Dilution ventilation is the once-
Tritium is considered valuable
through flow technique of
and needs to be recovered. (i.e.
exchanging outside air for inside air
not to send up the stack)
for comfort and the reduction of
airborne sources.
5.
Storage
Tritium can be stored in storage
beds. Metal tritide and uranium
hydride are the most common for
these storage systems. Tritium is
generally released by heating the
metal tritide.
B.
Administrative Controls
Show OT 41
There are many administrative controls to reduce
doses. The following are just a few that should
Ask students to name other
apply to all sites:
ways to prevent or reduce
doses.
limitation of access time
Insert site specific posting
N
procedures/RWPs
requirements.
N
postings
N
For tritium and tritium compounds, 10 CFR 835
Appendix D requires posting contamination areas
based on removable contamination values of 10,000
dpm/100cm2.
21
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