Table 5.
238
Pu and
239,24
2 Obu concentration factors for aquatic plants in the Great
Miami River above and below Miamisburg, Ohio.
C.F, H,0'7)
zis
Cladophora sp,
239,240,|
2 384
239,240,|
238.
Sample
.F, sea! >?
C.F
Rip Rap Bridge (gfe?
220—3500
340~—29800
0,58—9,.4
0.16—1.4
0,.8kmS, Chautauqua
Bridge (3)
15800—103000
4100—16400
0.65—3,6
>1,1—>3.8
Franklin (3)
14200-53300
1800—7806
2.6—10.3
0.54—2.7
Potamogeton sp.
Mad River—Stanley
Avenue (3)
0.8kmS,. Chautauqua
> 30-70
230—430
>0.17-0.46
0.12-0.23
Bridge (2 )
5870, 6430
500, 620
0.41, 0.45
0.26, 0.32
Franklin (3)
700—3500
> 90-690
0.36—1.2
0.08—0.45
1000, 1600
106, 270
0.42, 0.73
0.08, 0.22
Myriophyllum sp.
Franklin (2)
(a our “sed calculated as dry weights of samples and sediments.
(db). FP.
(c)
Table 6.
H,0
calculated as wet weight of sample.
The number in parentheses indicates the quantity of samples.
Activity (pCi/kg dry wt) (2? of 2385 and 239, 2405, in plants from the ponds and canal near Mound
Laboratory.
238,
Sample
239,240,
% Dry/Wet
(b)
C-F-y 0
2385.
(c)
C.F. og
|
Cattails
North Pond
whole (minus roct)
North Canal
whole (minus root) (2)
North Pond
spikes
stems
North Canal
spikes
€1s
stems
roots with sediment
South Canal
tips
stems
Grass
North Canal
plants minus roots (2)
Duckweed
North Canal (5)
South Pond
Cladophora
North Canal
South Canal
(a)
11.7 +0.8
<0,33
16,2
5.4
0.06
14,320.9, 59+3
<6.7, 2.1406.4]
12.6, 19,8]
2.8, 7.4
{0.14, 0.62} x16
5.420.5
8.5 40.7
<0.95
0.33 + 0.20
19.5
18.1
3.0
4.4
0.03
0.04
41.7 42.5
not detectable
33.6
380 + 20
not detectable
25.3
6.7 +06.4
30,7 +£1.3
0,41 + 0.20
<0.2
20.4
16.8
5x10°+2x103
(ire eee
65.2+3,.6
2400 + 200
0.3940.29,
Knot detectable
32.3
14,0
96,0
1.7 x105
4.5—10.2
600—2900
5,000 + 200
9+9
7.7
400
11,000 + 300
30415
9.1
910
97 ,500 + 900
190 + 40
0.08 x 1079
0.73 x 1073
~1
(0,09, 0.12) x1073
10.5, 11.2
35 + 8—152 +30]
8,300 + 109 to
{53,500 + 600
0.02
11.4
(a) The + value is l o counting error, When the counting error is >100%, the concentration is recorded as <2 0,
{b} Calculated on wet weights on sampie.
{c} Calculated on dry weights of both sample and sediment.
{d) The numberin parentheses indicates the quantity of samples.
3