Source
|
Dose
|
Natural Radiation |
A 5 hour jet airplane ride |
2.5 mrem/trip (0.5 millirem/hr at 39,000 feet) (Whole Body
Dose) |
Cosmic radiation from outer space |
27 mrem/year (Whole Body Dose) |
Terrestrial radiation |
28 mrem/year (Whole Body Dose) |
Natural radionuclides in the body |
35 mrem/year (Whole Body Dose) |
Radon gas |
200 mrem/year (Lung Dose) |
Diagnostic Medical Procedures
|
Chest X-Ray |
8 mrem (Whole Body Dose) |
Dental X-Rays (Panoramic)
(2 Bite-Wings) |
30 mrem (Skin Dose)
80 mrem (Skin Dose) |
Mammogram |
138 mrem per image |
Barium Enema (X-Ray portion only) |
406 mrem (Bone Marrow Dose) |
Upper Gastrointestinal Tract |
244 mrem (X-ray portion only) (Bone Marrow Dose) |
Thallium Heart Scan |
500 mrem (Whole Body Dose) |
Consumer Products |
Building Materials |
3.5 mrem/year (Whole Body Dose) |
Luminous Watches (H-3 and Pm-147) |
0.04-0.1 mrem/yr (Whole Body Dose) |
Tobacco Products (To smokers @ 30 cigarettes per day) |
16000 mrem/year (Bronchial Epithelial Dose), |