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
Answer is D. 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.