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| DOE-HDBK-1184-2004
appropriate tissue weighting factor from the second column and summed to give
effective dose He:
remainder
∑w
He =
Hi
(Eq. 5-4)
i
i= gonads
Table 5-3. Organs and Tissues with Explicit ICRP 60 Tissue Weighting Factors.
Tissue
Tissue or
Weighting
Organ
Factor
gonads
0.20
bone marrow
0.12
colon
0.12
lung
0.12
stomach
0.12
bladder
0.05
breast
0.05
liver
0.05
esophagus
0.05
thyroid
0.05
skin
0.01
bone surface
0.01
remainder
0.05
NOTE: ICRP 60 tissue weighting factors are not permitted to be used when
determining internal doses for compliance with version of 10 CFR Part 835
issued on December 14, 1993 and amended on November 8, 1997. The
tissue weighting factors used in 10 CFR Part 835 were derived from ICRP
267 (See table 5-4 below).
7
Organs and tissues with explicit ICRP 26 tissue weighting factors:
Tissue
Tissue or
Weighting
Organ
Factor
gonads
0.25
bone marrow
0.12
lung
0.12
breasts
0.15
thyroid
0.03
bone surfaces
0.03
remainder
0.30
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