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|  DOE-HDBK-1130-98
Module 4: ALARA Program
Instructor's Notes
3) Wear safety glasses/goggles to protect your
eyes from beta radiation, when applicable.
4) Temporary shielding (e.g., lead or concrete
blocks) can only be installed when proper
procedures are used.
5) Temporary shielding will be marked or labeled
with wording such as "Temporary Shielding -
Do Not Remove Without Permission from
Radiological Control."
6) Once temporary shielding is installed, it cannot
be removed without proper authorization.
When evaluating the use of shielding, the
estimated dose saved is compared to the
estimated dose incurred during shield
installation and removal.
7) (Insert facility-specific information.)
d. Source Reduction
Source reduction is another method of reducing
radiation doses. Source reduction often involves
procedures such as flushing radioactive systems,
decontamination, and removal of contaminated
items. This is done to reduce the amount of
radioactive materials present in/on a system
because these materials can add to radiation levels
in an area.
2.
Internal radiation dose reduction
a.
Pathways
EO5 State the pathways
through which radioactive
Internal dose is a result of radioactive materials
material can enter the body.
being taken into the body. Radioactive material
can enter the body through one or more of the
following pathways:
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