T ), each multiplied by its respective tissue weighting factor ( " W"
2.
Radiation weighting factors that go from physical energy to biological effect must not be confused with tissue weighting factors.
3.
The ICRP tissue weighting factors are chosen to represent the fraction of health risk, or biological effect, which is attributable to the specific tissue named.
4.
The US Nuclear Regulatory Commission still endorses the ICRP's 1977 tissue weighting factors in their regulations, in spite of the ICRP's later revised recommendations.
5.
E ( " t " ) is the sum of the products of the committed organ or tissue equivalent doses and the appropriate tissue weighting factors " W"
6.
The ICRP defines Committed effective dose, E ( " t " ) as the sum of the products of the committed organ or tissue equivalent doses and the appropriate tissue weighting factors " W"
7.
The tissue weighting factors summate to 1.0, so that if an entire body is radiated with uniformly penetrating external radiation, the effective dose for the entire body is equal to the equivalent dose for the entire body.
8.
The tissue weighting factors are used to convert an equivalent dose to a given tissue in the body, to an effective radiation dose, a number that provides an estimation of total danger to the whole organism, as a result of the radiation dose to part of the body.
9.
This is taken into account using the tissue weighting factors, W T, which represent the proportion of the stochastic risk resulting from irradiation of the tissue or organ to the total risk when the whole body is irradiated uniformly and H T is the equivalent dose in the tissue or organ, T, in the equation :"
10.
I uploaded : File : Tissue Weighting Factors-ICRP 2007 . jpg aand : File : Tissue Weighting Factors-ICRP Publ . 60, EU BSS 1996 . jpg from http : / / www . euronuclear . org / info / encyclopedia / t / tissue-weight-factor . htm and have noted so on the page they were added to Portal : Human Health and Performance in Space / Radiation Carcinogenesis.
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