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Comparison of annual radiation doses from selected sources |
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|  DOE-HDBK-1131-98
General Employee Radiological Training
Student's Guide
3. Comparison of annual radiation doses from selected sources
Examples of the annual radiation dose from selected sources of radiation
exposure are as follows:
Cigarette smoking
1300
(1 pack a day)
Radon
200
Medical exposures
54
(average)
Terrestrial radiation (rocks and soil)
28
Cosmic radiation (sun and space)
28
Round trip US by air
5
Building materials
7
World wide fallout
<1
Domestic water supply
5
Natural gas range
0.2
Smoke detectors
0.001
8
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