ati
Rongelap Atoll “ ‘in which the padloactivity resulted primarily.
fron a single time gouree « the March 1, 1954
“whereas:the activity at Eniwetok and
Bikind exper‘iment;
Bilin derived Srom several
a) to evaluate suitability of the ‘decay correction factor based
on soil by a comparison of biological and other materials, (2)
~ to aid in extrapolating into past or future time ‘beyond the .
a period of the presentsurveyand
a (3)tocompare decay rates i
wa
= retdecline rates. |
“Bighty-four samples of ich, invertebrates,alge, ‘dena .
plants, plankton, birds,snd soll were countedan average of
a ii. 5 (range, 2-73) times for various intervalsduring‘the period
fron 38 to 500 days after the Blicind teat of March Ly 195%,
. When‘log of count is plotted on, the ordinate against log
of tine after Maren 1y 195, on the abseissa (here ealleda
log-log plot), @a more nearly ‘straight line is ‘usuallyobtained
than’when the abacdaga |isarithmetico {sentlog plot). } mixture
3
te
Bre
a2 straight lineby Log-1og plot with a‘slope of about “125, for
fe
S
the
e pericd 0
of‘Hae‘Involved. in this study. The decayofa" single
a os
* Coryell, e;:Dy‘andSugarman,”Wii:“Radsochentoat” Studies:“The
Fission Products, Bookas p. 456,
Hedraw-iil,
fessaaeindsameaneinnees
nent
carers:
195
Santon otaeen"S 4
| Rongelap decay data were studied with ‘three primary objectives:
a
experiments over a number of years,
rotgis npreatfAemy
pennrivariassticlnumeiceaegeteenswaneoereHigtine tieneney“Snes7tascotabsenemya eee tests}atti tarednatisoes teaNaNNila
= ‘ [siaands collections since they were tatken Evora an area «
ct
Mpg om
seoggg
Hn mame7RR OS Eaa? "aR
“the Rongelap samples are now ‘unique among out Marehall