TABLE 5

Individual Photon S Factors and Summed Photon S Factor Used for 213Bi Photon Dosimetry (25)

IsotopePhoton energy (keV)S factor (Gy/MBq-s)
213Bi4405.78E−11
213Bi799.84E−13
209Tl1171.60E−12
209Tl4676.71E−12
209Tl1,5662.37E−11
Sum = SWB←WB9.08E−11