Table 3.

Fractional absorption, f₁ values, for acute inhalation from local fallout for nuclear detonation over volcanic soil (Ibrahim et al. 2010) and ICRP f₁ values (ICRP 1995b).

Elements	Solubility	f1 values applied at the current study (Ibrahim et al. 2010)		f1 values ICRP (ICRP 1995b)
		3-mo-old	1-y-old and older age groups	3-mo-old	1-y-old and older age groups
Sra	Type M	0.6	0.4 and 0.15	0.2	0.1
Y	Type S	0.0001	0.00001	0.001	0.0001
Zr	Type S	0.02	0.002	0.02	0.002
Nb	Type S	0.02	0.01	0.02	0.01
Mo	Type M	0.4	0.2	0.2	0.1
Ru	Type S	0.01	0.001	0.02	0.01
Rh	Type M	0.1	0.05	0.1	0.05
Te	Type F	0.4	0.2	0.6	0.3
I	Type F	1.0	1.0	1.0	1.0
Cs	Type M	0.8	0.4	0.2	0.1
Bab	Type M	0.6	0.3 and 0.15	0.2	0.1
La, Ce, Pr, Np	Type S	0.0001	0.00001	0.005	0.0005
Pu	Type S	0.0001	0.00001	0.001	0.0001

^af₁ values for infants and children are similar to the ICRP values, 0.6 and 0.4, respectively.

^bf₁ values for infants and children are similar to the ICRP values, 0.6 and 0.3, respectively.