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Risks in Perspective - hdbk-1130-98_ch10079
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Summary - hdbk-1130-98_ch10081


DOE-HDBK-1130-98
Module 2 Biological Effects
Instructor's Notes
Review: There are many
b.
The risk of cancer induction from radiation exposure
other causes of cancer, not
can be put into perspective. This can be done by
just radiation.
comparing it to the normal rate of cancer death in
today's society. The current rate of cancer death among
Americans is about 20 percent. Taken from a personal
perspective, each of us has about 20 chances in 100 of
dying of cancer. A radiological worker who receives
25,000 mrem over a working life increases his/her risk
of cancer by 1 percent, or has about 21 chances in 100
of dying of cancer. A 25,000 mrem dose is a fairly
large dose over the course of a working lifetime. The
average annual dose to DOE workers is less than 100
mrem, which leads to a working lifetime dose (40 years
assumed) of no more than approximately 4,000 mrem.
EO9 Compare the
2.
Comparison of risks
biological risks from chronic
radiation doses to the health
a.
Table 2-2 compares the estimated days of life
risks workers are subjected
expectancy lost as a result of exposure to radiation and
to in industry and daily life.
other health risks.
The following information is intended to put the
potential risk of radiation into perspective when
compared to other occupations and daily activities.
Table 2-2
Estimated Loss of Life Expectancy from Health
Risks
References 1 and 12 of the
Health RiskEstimated Loss of Life Expectancy
PMG.
Smoking 20 cigarettes a day
6 years
Overweight (by 15%)
2 years
Alcohol consumption (U.S. average)
1 year
Agricultural accidents
320 days
Construction accidents
227 days
Auto accidents
207 days
Home accidents
74 days
Occupational radiation dose (1 rem/y), from
age 18-65 (47 rem total)
51 days
All natural hazards (earthquakes, lightning, flood)
7 days
Medical radiation
6 days
32


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