TABLE 1

TB-to-TB S Value Dependence for 3 Radionuclides

Radionuclide	ϕ_p dependence	S_p dependence	Total S value dependence
¹³¹I	ϕ_p = 0.115 × mass^0.255	S_p = 0.0934 × mass^−0.745	S = 0.44 × mass^−0.895
¹³⁷Cs	ϕ_p = 0.130 × mass^0.227	S_p = 0.166 × mass^−0.774	S = 0.63 × mass^−0.897
¹⁸⁶Re	ϕ_p = 0.096 × mass^0.301	S_p = 0.0042 × mass^−0.699	S = 0.73 × mass^−0.994