45

Table 6.

Recent determinations

Ferm

Sediment type
’

of the distribution

:

Kq Tange

t

Enewetak, coral soil
and sediment (lab
desorption study)

ee

coefficient for

OE

Ka average

*

5

P

Table 7.

plutonium.

Rererence

Year of growth

blist
Unpublished

1974
1973

f

4
10*~
5
4x10*-~3x10

.
1.8x10

particulates

1.4x104~-10°

No 76

Trombay Harbour
°
,
.
ds
suspended
silt

2.5x108
.

8
a .
4.8x10°-1,
3x10 5

ox
5
0.9x10

.
Pi 76

Enewetak groundwater

.

°

46

Cuncentrations of #99+2"0pu in ; yearly growth sections of

Enewetak and Bikini coral (fCi/g dry weight)

Coral #1

section

Coral #2

Enewetak

Enewetak

3.9(12)*

1978

2.3(9)

ven
1970

0.9625)
1,314)

Coral #3

Enewetak

19.6(5)

7.4(13)
.
5 2014)

35.5(4)

6.713)

13.3(6)
§.0(12)

Coral #4
Bikini

13007)

700.0)

130¢7)
100(5)

1969
1968
1967

4,.9(10)
7.9(8)
3.6(6)

41.7(4)
10.4(6}
12.907)

6.3(12)
5.911)
6.9(10)
lost

Bikini Tewa Crater

1966

5.1011)

sediment (Lab desorption
study, oxic-anoxic

1965

3.2(9)

11.2(¢7)
10.5{6)

3.7013)
6.0(8)

90(5)
110(5)

of collection)

3.742.

17.812.5

6.141.1

LO8*15

mae of

6

April

conditions)

Windscale area 5%,

;

,

50%

silt, 49% sand.
Humboldt Bay, Calif.,
suspended clay-silt

particulates

4x104-4x10°7
4

0. 6x10°-22x10

2,2x10°
4

4.7x10"~11,8x1i0"

5

He7s

0,8x10°

Unpublished data,
this laboratory

particulates

3.0x10°

Wa 76

_0.5x10°

Dui 74

col

rection

.
.
Species

ct.

73

pril

woe
.
Favia pallida

7

74

.
Gonrastrea

retiformis

Aug.

a,

.

74

.
le
Favia pallida

Now,

1.4x105 cw /p

Quantity of 2397240p) bound to the sediment per unit dry weipht of sediment divided by
the amount of 232+2"9py gn water per em,

One

sipta

counting crrer

.

72

os
ravitus vire,

*
1. 3x104-9,4x10"
Mean

x

Average
(1965 to year

09x10

Lake Michigan, suspended

Mediterranean sediment
{Lab sorption study)

Mo76

1O00(4)
100(2)
10005)

expressed as Lhe percent of the value listed,

Select target paragraph3