Relative Doses from Radiation Sources
Reprinted from EPA.gov
RELATIVE DOSES FROM RADIATION SOURCES
All doses from the National Council on Radiation Protection & Measurements, Report No. 160 (unless otherwise denoted)
Whole body CT
(single procedure)
millirems millisieverts
(mrem) (mSv)
1,000 10
Upper
gastrointestinal
X-ray
(single procedure)
Radori in average
U.S. home
(annual)
228 mrem
2.28 mSv
700 7.50
600 mrem
6 mSv
Head CT
(single procedure)
Cosmic radiation
living in Denver
(high elevation)
(annual)
200 mrem
2mSv
Cosmic radiation
living at sea level
(low elevation)
(annual)
80 mrem
0.8 mSv
500 5.0
42 mrem
0.42 mSv
Mammogram
(single procedure)
From ICRP 2007
Terrestrial
radioactivity
(annual)
30 mrem
0.3 mSv
250 2.5
29 mrem
0.29 mSv
Radiation in
the body
(annual)
Living near a
nuclear power
station
(annual)
21 mrem
0.21 mSv
fa
-JL

10 mrem
0.1 mSv
Chest X-ray
(single procedure)
<1 mrem
<0.01 mSv

-------