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Appendix 2B Weighting Factors for Organs and Tissues - doe-std-1098-99_reaffirmed_2004_120053
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Radiological Control - index
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Chapter 3 Conduct of Radiological Work - doe-std-1098-99_reaffirmed_2004_120055


DOE-STD-1098-99
Radiological Control
Radiological Standards
June 2004
Appendix 2C
Non-Uniform Exposure of the Skin
Non-uniform exposures of the skin from X-rays, beta radiation, and radioactive materials on the skin, including hot
particles, shall be assessed and recorded as specified in the table below [see 835.205(a)].
AREA OF SKIN
METHOD OF AVERAGING, ADDING TO OTHER DOSES RECEIVED,
IRRADIATED
AND RECORDING NON-UNIFORM SKIN DOSE
> 100 cm2
Averaged over the 100 cm2 of skin receiving the maximum dose
[see 835.205(b)(1)]
Added to any uniform dose equivalent also received by the skin
Recorded as the annual extremity or skin (shallow) dose equivalent (H)1
Averaged over the 1 cm2 of skin receiving the maximum dose (D), reduced by the
≥ 10 cm2 and < 100
fraction (f) which is the irradiated area in cm2 divided by 100 cm2 (i.e. H=fD)
cm2
[see 835.205(b)(2)]
Added to any uniform dose equivalent also received by the skin
Recorded as the annual extremity or skin (shallow) dose equivalent1
< 10 cm2
Averaged over the 1 cm2 of skin receiving the maximum dose
[see 835.205(b)(3)]
Not added to any other dose equivalent, extremity or skin (shallow) dose equivalent
recorded for the annual dose equivalent
Recorded in a individual's radiation dose record as a special entry1
1
Recording of shallow dose equivalents resulting from non-uniform exposure of the skin is not required if the resulting
dose is less than 1 rem [see 835.702(b)].
2-20


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