Table 2.
Current average effective dose and dose-rates of interest for different exposures to IR.
On Earth | In Space | ||
---|---|---|---|
Effective dose
(mSv) |
700–12,000 | Acute radiation syndrome (irradiation accident) | ARS during solar events? |
2000 | Tumor dose per fraction in radiotherapy Dose per fraction in total body irradiation |
||
200 | Threshold dose for solid cancer | 500 days in ISS | |
100 | Threshold dose for leukemia | ||
20 | Coronarography | 50 days in ISS | |
0.3–0.5 | 2 mammography views | 1 day in ISS | |
0.01 | 1 day for a nuclear worker | ||
Effective dose-rate (mSv/y) | 0.5 | Radiation background in Japan | |
2.4 | Worldwide radiation background | ||
70 | Radiation background in Ramsar | ||
110–180 | In LEO (ISS) | ||
130–260 | At the surface of Mars | ||
110–300 | At the surface of the Moon | ||
500–700 | In deep space |