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192
Ir
versus
169
Yb
Energy
Radiation Protection
Mobility / Flexibility / Costs
Radionuclides: Related Costs, shielding
0.30 Gy / week
0.02 mSv / week
3.5 cm vs. 1.0 cm Pb
ca. 45 k€
20 cm concrete
192
Ir
versus
170
Tm
4.0 m
3.5 cm vs. 0.5 cm Pb
only Material Costs
of ca. 52 k€
5.0 m