CALCULATION OF ESTIMATED “DOSE” (EXPOSURE) —
R(1) t7'* for
a
t< 168 hr
bR(1) t7'for 168<t< 336 hr
cR(1) t7':4 for 336 <t< 8760 hr
S = shielding factor = 0.75
band care constants required for the continuity of R
b _
168°:
c =
3369-2
LRA<6
AH