TABLE 2.

S Values for 131I-Derived from ICRP Voxel-Based Computational Phantom of Reference Adult Male (18)

Source regionTarget region
AdrenalsBrainGallbladder wallHeart wallKidneysLiverLungMusclePancreasSpleenStomach wallThymusThyroidUrinary bladder wall
Adrenals1.81E−038.14E−092.05E−066.72E−076.95E−062.02E−065.76E−072.05E−072.18E−063.63E−061.66E−061.62E−079.69E−085.21E−08
Brain8.52E−092.70E−058.18E−092.84E−085.55E−091.26E−084.27E−086.17E−086.16E−091.26E−089.22E−098.29E−081.60E−072.97E−10
Gallbladder content1.88E−067.38E−096.79E−055.59E−071.56E−064.56E−064.14E−071.47E−076.14E−064.00E−071.39E−061.48E−077.78E−087.19E−08
Heart content6.76E−072.46E−085.68E−079.22E−063.50E−079.19E−071.85E−061.57E−076.12E−079.65E−071.60E−061.69E−065.35E−071.48E−08
Kidneys6.97E−065.02E−091.60E−063.49E−078.60E−051.21E−062.92E−072.24E−072.11E−061.74E−061.01E−068.97E−085.42E−089.79E−08
Liver2.02E−061.19E−085.32E−069.77E−071.21E−061.82E−058.13E−071.65E−071.95E−064.18E−071.38E−062.49E−071.35E−074.52E−08
Lungs5.52E−074.33E−084.23E−072.11E−062.84E−078.18E−073.04E−052.23E−073.56E−079.65E−076.67E−072.07E−061.05E−061.15E−08
Muscle2.06E−078.49E−081.51E−071.71E−072.27E−071.69E−072.30E−071.41E−061.61E−072.06E−071.61E−072.06E−072.65E−073.12E−07
Pancreas2.17E−065.40E−096.95E−066.15E−072.11E−061.96E−063.55E−071.56E−072.07E−049.80E−073.77E−061.20E−076.47E−089.54E−08
Small intestine content1.21E−063.04E−091.35E−062.99E−071.73E−066.75E−071.87E−071.99E−073.38E−068.30E−071.64E−066.01E−083.46E−084.92E−07
Spleen3.66E−061.17E−084.25E−079.56E−071.74E−064.20E−071.03E−062.00E−079.77E−071.56E−042.54E−061.97E−071.40E−073.26E−08
Stomach content1.57E−068.29E−091.19E−061.79E−061.02E−061.18E−066.58E−071.51E−073.00E−062.35E−065.89E−051.99E−071.05E−075.05E−08
Thymus1.64E−078.24E−081.55E−072.33E−069.23E−082.59E−071.83E−061.93E−071.29E−072.04E−072.13E−071.14E−038.41E−064.48E−09
Thyroid9.72E−081.62E−078.07E−086.49E−075.60E−081.38E−079.30E−072.40E−076.75E−081.39E−071.11E−078.25E−061.44E−032.49E−09
Urinary bladder content5.64E−082.83E−107.43E−081.58E−081.05E−074.69E−081.21E−083.14E−071.05E−073.36E−085.53E−084.93E−092.74E−092.19E−05

  • Data are mGy MBq−1 s−1. ICRP voxel-based phantoms actually include many more source and target regions than those tabulated here, but for readability only partial list of S values is presented. (Adapted from reference (19).)