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Air-kerma rate distribution on the plane parallel to the floor and containing the source for five different facility
designs for
192
Ir (left) and
60
Co (right) of a given strength. See the original article for more details. (Courtesy:
M.C. Pujades)
Shielding Calculations, Principles: Examples
Remember: for
192
Ir 370 GBq ≈ 40.4 kU
for
60
Co ≈ 1/3 of contained activity of
192
Ir …