evallanle
nye jected
T@jien. fu
site 2nec1

rraomciate tecrhmolsgi
rezQurircems
i biopsss
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c

ainde a7 ou

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zrpeeigs in
af iff &oh (33 mphi; the critical
iach af
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:
eeilied le
Righ construction roasts and legietice preslemes
d
a.fficult
rn and aften nutrisnt deplietec sails. Tre Eliomazs energ,
rREGUrCeSs
American Territories oF the recific heve not bees
thoraaghly
ed. Thus, “he cheice cof feeatack
s proejectiaigs if
yield, and costs per unit of harvested biomass ca
ade ronFicerti-.
as a result, the cests to cerisumears of celivered eneray sré serecialiv
prone ta inaccuracy. it iS apparent monetheless tnat aliomass is an
asundant, hichly o-ceductive, and versatile renewable energy resource in
Pacific telands, ance thet its practical application must be preceded ty
adequate research asc cemenstratior. Fome sascific -ecemnencetions 2re
inclvded. 34 refsrences, 7 figures. 12 tabies.
3.7434
(Tter 34 fron File: if3:
E734 93
EPS-O9;02507B, EDR-34:074433
eatoaces
Rogckin, V.E.:
-leosg.
-.h.:

Red.

.

Title: Fl
americium betray
eorgorste Source: cawrenie Livermore
hate: 1 Feb 1964
43 6.
Reoar’ te. UCID-19997
Ceonteect News
W-PS4QT-2G-45
Decument Tyoe: Report: “urerica: data
Language: Enolish
.
Jenurnal Arneuncement: Tise4qos
Availability: TIS, FO AOS/MF Aol,
cubtile:
TS
(US A@temindex inputis NTS
Abstrecte).
Ceuncry of Publication: United States
Work Location: United ftates

oe
wag etill evvircasence
Leb,. CA USA:

CNTiSo: EFS

ferecgy Sesearcm

ststTract: Inventiries af /sup 2379 -240/Fu end /sun Z4team g-estl.

ia

excess of Gloval fallout levels persist in the benthic anvironteats 2f
Bikini ard Enewetak Atolls. Guantities af /sun £29 +2490/Fu and
eer
amounts of /sup 241/am are cortinucusly mobilizing from these sedimeata-y

reservoirs. The amcunt of /sup £39 +240/Fu achilized ta saluticn at ary

time reoresents 0.09 to 9.09% of the sediment inventories to a depth of 16
cm. The mobilized /sup 239 +240/Pu has selute-like characteristics and

different valence states ccexist in solution - the largest fraction cf the

scluble plutonium is in an oxicized form ‘+V,VI), The adserption of
piutoanium to sediments is not completely reversible bacause of changes that
eccur io the relative amounts cf the mixed cxidation states in solution
with time. Further, any characteristics of /sup 299 +2460/Pu described at
ene location may not nécessarily be relevant in describing its beheviaor
elsewhere follewing mobilization and migraticn. The relative amounts a7
/sup 241/Am to /sap 239 +249/Fu in the sedimentary deposits at Enewetak ard
Bikini may be altered in future years because of mebilization end
radiciogical decay. Mebilizaticn of /sup 2399 +240/Fu is not a process
unique te these atells, anc quantities in salution derived from sedimentary

deposits can be found at other global sites. These studies in the

Bquatorial Pacific have significance in assessing the larg- Ferm behavisr af

S004b15

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