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|  DOE-HDBK-1105-2002
Radiological Training for Tritium Facilities
Instructor's Guide
Notes
A. Engineered Controls
Show OT 39
1.
Containment and Confinement
Containment or confinement is a
series of physical barriers,
minimizes exposure of workers.
Confinements such as glove boxes
Instructor should insert site
are almost always used when
specific information
handling large quantities of tritium.
concerning what is considered
However, hoods are acceptable for
large or small quantities for
handling small quantities, such as in
handling tritium.
a laboratory.
2.
Airflow
Show OT 40
Maintaining negative ventilation is
May need to use site specific
essential for the safe operation of a
terminology.
tritium facility. Airflow should be
from areas of LEAST to MOST
3.
Local Exhaust Ventilation
The primary advantage of local
exhaust ventilation techniques is the
removal of airborne tritium,
regardless of its release rate or
chemical or physical form. In
addition, these techniques use
relatively low volume rates
compared to normal ventilation
requirements.
20
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