No information is available on the raaioactivity of “Lagoon
a”

on

Pg

Hite

+.

bottom material deeper than two feet, ‘but from‘the“aTight decrease:
MCHho* wee f

thus indicated at two feet, the activity may ta,assumed to have
4

+

penetrated farther, constituting a reservoir, eatinited ‘0 exceed
pee AS

pm?

20,000 curies of beta activity in the firstmeter ofJagoon bottom °
in August 1953.

eed
ee

This may be compared toshangfapsien estimated

(UWFL-43:54) for the top 8 inches in 1955.)
ra

. abe

Plankton values might be: expected to waiteswith. bottom
EL Ae ead

sample values (FMgure 2).

4th e

“ “a

Ina comparison ofactivity at ‘the ten oo
ooaywy

e

{

stations between pumped plankton and votton ‘camped,
‘i
the positive
correlation coefficient fell somewhat shortofstatistical‘signif
ye ee
“

7

*

icance, even omitting the first stationanvelvdie’ an‘exeéptionalay:
nigh plankton value. <<

z

al?

TCREEporepeneRe ee ea eteA ATO

However, Values for plankton tows near pongelep,plang,mmiacton island,
ee ed eee ee dct OR

» hig

fe

Sand
|Kabelle Islandwere negatively related (odticetgnasicantiy) to’
ectively

a

the values for bottom samples at the corresponding‘ovalities,
ae

stations 3 and 4, 5,“and
10)
een awe

"eertaminm BELoe nay

tet ben

ce ele _

Thus ,

ves

there is'noevidence
of cor"
:

“aha

relation between radioactivity of plankton and’of bottom‘samples at
the same locality.

i

L20,

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