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Radiological Safety Training for Uranium Facilities - index
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Module 104 Internal Dose Control - hdbk1113cn10166


DOE-HDBK-1113-98
Beta Radiation
From the decay products
u
Module 103
Mostly external
u
External Dose Control
Shallow dose
u
30 rad/hr (234mPa $)
u
Radiological Safety Training for Uranium Facilities
OT-25
Radiological Safety Training for Uranium Facilities
OT-26
Gamma Radiation
4 mrem/hr (0.04 mSv/hr)
Enriched UF6
Usually less than 5 mrem/hr (0.05 mSv/hr)
u
u
Spontaneous fission
small
Decay products can become concentrated
u
u
Fission from reactors
contained
Fission products
u
u
or experiments
Criticality (potentially fatal doses of gamma
u
Criticality accident
potentially fatal
u
radiation)
Radiological Safety Training for Uranium Facilities
OT-27
Radiological Safety Training for Uranium Facilities
OT-28
ALARA - External Dose
Beta Radiation Protection
To keep external exposure ALARA:
Easily detected
u
Easily shielded
u
Minimize time
u
Use low-Z elements to minimize
u
Maximize distance
u
bremsstrahlung
heavy rubber or plastic over objects
Use shielding
u
safety glasses for the lens of the eye
Reduce the amount of radioactive material
u
heavy work gloves for the hands
being used
Radiological Safety Training for Uranium Facilities
OT-29
Radiological Safety Training for Uranium Facilities
OT-30
5


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