I.
= 40a
-O.33 km
_!
= QS2*
5
10!
a
oO
=
.
Cc.
= 10°
—
OQ
cc
=
1o71
10-7
+
!
10
20
—
30
40
Km
Fic. 3. The ~°"*°Pu concentration in the sediment surface (0cm depth) related to the distance (in km) from the point of impact.
Taken from reference 3