Table 1. Activity (fCi/g ash)
(a) of 238
239,240
Pu and
Pu in the sediments
of the Great Miami River above and below Miamisburg, Ohio.
Sample
Ash Wt
38
239, 24054
Table 2. Activity (pCi/gq ash) of 2 Pu and
in the sediments of the canal and ponds near
Mound Laboratory.
Dry Wt
238,
239,240,
239,240,
Rip Rap Bridge
c.90
0.6+0.2
|/6.640,6
0.09
Rip Rap Bridge
0.99
0.5+0.2/1.020,2
0.50
Sample
Mad River—
Stanley Avenue
0.91
2.04+90.4/6.5 40,6
0.31
North Pond
Mad River—
Stanley Avenue
0.93
0.940,2
(7.1 + 0.6
0,13
A
B
Cc
Mad River—
0.92
2.0+0.4
16.0 4 0.7
0.33
0.8km S&S, Chautauqua
Bridge
Medway Road
0.88
760 4 46
7
>109
Franklin
0.99
80 + 10
<6
>13
Sediment Core
Canal
North Canal
_J
(a) The
+ value is 1 o counting error, When the counting error is >100%,
the concentration is recorded as <2 0,
A
B
Cc
Ash Wt
Dry Wt
238.
0,93
0,94
0.93
0.19 + 0.02
0.15 + 0,02
0.2420,02
0.93
0.95
0.96
0.96
48047
92.04 2.7
91.04 2.8
89.542,8
508
509
239,240, |
£0,002
=0,002
£0,006
-+
----