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Radiological Safety Training for Plutonium Facilities
DOEHDBK11452001
Student's Guide
4. Source reduction the source of the radiation
can be reduced by decontamination, better
storage methods, or elimination of the source
altogether. Extremity dose can be reduced by
periodically sweeping/wiping the plutonium dust
from the inside of the gloveboxes and gloves.
Protective clothing, commonly of Tyvex
material, is used to keep contamination off
personal clothing and skin. It does not stop the
external radiation exposure (except alpha rays),
but it helps prevent the spread of contamination
both onto and into the body.
C. Internal hazard controls
During operations in which there is a potential
to breach a containment system (such as glove
changes or seal-outs) and create airborne
radioactivity, respiratory protection is the primary
method of preventing internal dose from inhalation.
To minimize the possibility of inhalation, individuals
must ensure the physical integrity of the respirator,
obtain a good seal, and ensure the protection
factor of the respirator is adequate.
There are also methods to prevent injection
wounds (such as placing leather gloves over
glovebox gloves or ensuring there are no sharp
objects inside containments). If personnel have
any suspicion of an injection wound, they should
immediately seek the assistance of the site
radiological control organization.
17


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