Table 4.
Tissue weighting factors for the calculation of effective radiation dose, according to the International Commission of Radiological Protection (ICRP) 2007 recommendations
| Tissue | WT | ∑WT |
| Bone marrow, colon, lung, stomach, breast and remainder tissuesa | 0.12 | 0.72 |
| Gonads | 0.08 | 0.08 |
| Bladder, oesophagus, liver, thyroid | 0.04 | 0.16 |
| Bone surface, brain, salivary glands, skin | 0.01 | 0.04 |
| Total | 1.00 |
ICRP 2007 commendations.11
a
Remainder tissue: adrenals, extrathoracic region, heart, gall bladder, kidneys, lymphatic nodes, muscle, oral mucosa, pancreas, prostrate, small intestine, spleen, thymus and uterus/cervix.