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Table 3 ICRP 103 tissue weighting factors (wT), fractions irradiated (fi) and dosimeters used to calculate effective dose

From: Effective radiation dose of a MSCT, two CBCT and one conventional radiography device in the ankle region

    Dosimeter
Organ wT fi number
Bone marrow 0.12   
Tibia   0.007 1, 4, 7, 9
Fibula   0.001 6, 11
Navicular   0.001 14
Metatarsals   0.001 16
Calcaneus   0.002 18
Bone surface 0.01   
Calcaneal tuberosity   0.049 13, 19
Skin 0.01   
Superior extensor Retinaculum   0.009 8
Calcaneal tendon   0.026 10
Remainder 0.12   
Lymphatic nodes   0.010 10, 14, 15
Muscle   0.009 2, 3, 5, 20