Background Radiation - Panasonic PT-DZ12000U Operating Instructions Manual

Average per capita US Dose
Living in Los Alamos (7000' elev)
Flying from NY to LA
Chest x-ray
Full mouth dental x-ray
The external dose rate for cosmic rays doubles for each mile
increase in elevation.

BACKGROUND RADIATION

Cosmic
Rocks
Internal
Medical x-rays
Nuclear medicine
TOTAL US Ave
US Ave H from radon
E
Ave H from medical x-ray procedures:
E
Skull 20 mrem (0.2 mSv)
Upper GI 245 mrem (2.45 mSv)
Hip 65 mrem (0.65 mSv)
Chest 6 mrem (60 ìSv),
Kidney 55 mrem (0.55 mSv)
Dental 55 mrem (0.55 mSv)
Occupational Doses
airline flight crew
nuclear power plant
Grand Central Station workers
medical personnel
DOE employees
PUBLIC RADIATION DOSES
= 28 mrem (0.28 mSv) / yr
= 28 mrem (0.28 mSv) / yr
= 36 mrem (0.36 mSv) / yr
= 20 to 30 mrem (0.2 to 0.3 mSv)/yr
= 2 mrem / yr
120 mrem / yr
= 200 mrem / yr
185
200 mrem (2 mSv) / yr
327 mrem (3.27 mSv)/yr
2.5 mrem (25 ìSv) / trip
10 mrem (0.1mSv)/exam
9 mrem (90 ìSv) / exam
mrem /yr
1,000
700
120
70
44
mSv/yr
10
7
1.2
0.7
0.44