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Radiology General 6c105347

An alternate to lead in the walls of radiology room is:

A
Walls made up of 3 inch concrete
B
Walls made up of barium plaster or barium concrete
C
Walls made up of 3 inch steel
D
All of the above
High-Yield Explanation
Walls made of 3" concrete, 3" x 16" of steel or 1 mm of lead, barium plaster or barium concrete will suffice to protect adjacent rooms from radiation.

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