Table 1 Tissue weighting factors from ICRP (2007 vs 1991 and 1997)
From: Cancer and non-cancer brain and eye effects of chronic low-dose ionizing radiation exposure
ICRP 268(1977) | ICRP 60 (1991) | ICRP 1037(2007 | |
|---|---|---|---|
Bladder | _ _ _ | 0.05 | 0.04 |
Bone | 0.03 | 0.01 | 0.01 |
Brain | _ _ _ | _ _ _ | 0.01 |
Breasts | 0.15 | 0.05 | 0.12 |
Colon | _ _ _ | _ _ _ | 0.12 |
Esophagus | _ _ _ | 0.05 | 0.04 |
Liver | _ _ _ | 0.05 | 0.04 |
Lower large intestine | _ _ _ | 0.12 | _ _ _ |
Lungs | 0.12 | 0.12 | 0.12 |
Ovaries/testes | 0.25 | 0.20 | 0.08 |
Red marrow | 0.12 | 0.12 | 0.12 |
Remainder tissues | 0.30 | 0.05 | 0.12 |
Salivary glands | _ _ _ | _ _ _ | 0.01 |
Skin | _ _ _ | 0.01 | 0.01 |
Stomach | _ _ _ | 0.12 | 0.12 |
Thyroid | 0.05 | 0.04 |