5.
Gamma disintegrations - Sample date to 120 days
=
Ny
(42h x 108)
1.2
=
6.
3.56 x10 a/ft?
Gamma disintegrations - 120 days to infinity
NM,
= (5.10 x 102)(1.62 x 10°)
-
7.
6.25 x 107
a/ft?
Gamma disintegrations - Sample date te infinity
SDN
8.
=
(3656 x 108 + 0.82 x 10°
=
4.38 x 108 a/rt2
Gamma dose
(6.64 x 1072)(4.38 x 108)
Dose
-
2.91 x 1071
=
0.29
ae)
ov about Smras,orrer I
Spey)
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wre
Baar
Note that about 80% of the dose is received in the first l months
after fallout.
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