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|  DOE-HDBK-1106-97
o
Remove or deface labels before discarding boxes, etc.
D.
Shielding
1.
Placement
Placement of shielding materials is critical to both your safety and that of your
colleagues. Work stations that require the use of shielding should be located where
there would be no worker on the opposite side of the workbench, such as in corners
and against walls.
2.
Penetration through walls
Be certain to consider what (or who) is on the other side of the wall. However, if
this can not be accommodated, shielding should be considered for the work station
on the opposite side of the workbench or wall where your colleague may be working.
3.
Beta and Gamma Emitters
When shielding for both beta and gamma emitters, the shielding for the beta emitters
should be first. The beta shield (plastic, wood, foil) should be closer to the radiation
source to minimize the production of X-rays from the beta emitter interacting with
the lead (gamma) shield.
4.
Considerations
Some considerations for use of shielding were addressed above. Because issues
involving shielding can be complex, always consult the Radiological Control
Organization before using shielding.
12
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