Assessment of the Scientific Information for the Radiation Exposure Screening and Education Program (2005) / Chapter Skim
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Appendix B: A Comparison of the Risk of Skin Cancer with the Risk of Lung Cancer from Exposure to Radon Decay Products in Underground Mines
Appendix B: A Comparison of the Risk of Skin Cancer with the Risk of Lung Cancer from Exposure to Radon Decay Products in Underground Mines
Pages 353-358
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From page 353... ...
The committee has reviewed the relevant literature and has compared the risk of skin cancer with the risk of ling cancer. The nobel gas radon-222 (222Rn)
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From page 354... ...
(NRC, 1999) and International Commission on Radiation Protection (ICRP, 1981; 1991; 1993)
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Depth of Basal Cells cells of Number 0 20 40 60 80 100 120 140 160 Depth (µm) FIGURE B.2 The distribution of basal cells as a function of depth below surface of skin.
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From page 356... ...
Thus, the equivalent dose is reduced to 2 mSv/WLM. Dose Reduction to Basal Cells Beneath Layer of Perspiration 1 0.1 action Fr 0.01 0.001 0 10 20 30 40 50 Depth of Perspiration (µm)
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From page 357... ...
Using that value, the effective dose to the exposed portion of a person's body 0.5 mSv/WLM. The lifetime risk of fatal skin cancer after whole-body exposure to the skin is 2 × 104 /Sv (ICRP, 1991 p 132)
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From page 358... ...
1991. ICRP (International Commission on Radiological Protection)
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