TABLE 7
POSSIBLE SOURCES OF THE RaD CONTENT OF THE HUMAN SKELETON
source
Rae26 jn Bones
Rn222 Dissolved in Body
(Equivalent to 50 1 of air at 3.0 po Rn222/1)
A
0.004
0.007
Potable Water
(Maximum Observed, 0.4 pc RaD/1)
0.022
RaD from Short-Lived Activities (Rn222 daughters)
9.004
Food
0.066
Total
0.176
Total (less Rn222 in body and potable water)
0.148
Measursu RaD Concentration (Average)
0.145 + 0.020
RaD in Atmosphere (0.03 pc RaDIl)
"
Contribution to RaD
Concentration (pe/g ash)
0.073