Reliaopia assessments Of actual coses susc 3e Jecearsined through sersonnel monitoring.
iIxcernal cadiacion
dosimecers 20 aoc apcear 29 24 a Dracticai Tans Of Jersonne: monLcoriag for .naiviauai axcernal cose
measuremenc3, alchougn certain .caacfividuals wicnia given sonulatzions sav .e ralied inea co wear chem.
aA ‘lizastyvle moaei' ‘snica .acluaes astimaces Jf occusancy faccors Isr varsous locations in a given acol.
sag Deen icuniea VitN emvironmenca. monitors.ag ata 79 2s¢:mace average axcernal tadiaticn doses 73
sadivisuals.
This mogei will s@ revised as Meedeg
of she v2ecv0Le.
30
inact
.5
<.0s@iy aporoximaces
cine accual
Liiestvie
The =or2 wumpottanc wacermal oatnway can Je aoniccred iirect.y av conventional tecnarques of >icassav
amg wmo.e
20Gdy sOunting Jf wadiviscuais.
A 20rtaol2 smacow snieid ~nole .0av7 sounter has seen constructa2a
ana nounced in a shipooard trailer for ise in the “arsnail islands.
Ic is cavagle of quancicaczive
secacticn of very sMa.l quamtlis.as Of certain Tagionuc..ces
La ine s0ay sucn
oewmar’ 2nvironmentai gamma emicters ac 3ix.uni, ZSnewetax ana Rongelap acoils.
iies
individuals
.a the donge.ao gonulacion vno
om eating coconuc scrape
<ctom certaia
are 30¢
wocacszons. 42,3)
se performed every sne co
swo years
2? c3
ana wes,
ime
The syseem claariy idene:-
following cne cacommended dietary rescriccions
Zoav surdens cr 705 2/30,
are est.cated oy the rtadiocnemicai amaivsis of urine samples.
stunting Will
as
ac 3.4ia1
759, 2400, ana -**ag
rine gamolea collactzons and wnole 30cy
and Zaewecak Atolls wnen tne veople return,
and every two to three vears at Zongeiap Acoil unetzil che results varcranc Less frequent seasurement
-ofatvass.
Summarr
Marsnall
Islands 2aatclogical Followuo has consisted of
iacernsive environmental
studies
ac 3ikini,
Zneweeax, ang Roageiao Acolls so gacner radiological daca on che external radiacion environmene and on
taciLoacrivisy ia foed chains.
Madtacion and radioactivity ievels in these acolis are cseing reduced with
cime.
These cnanges 3are monitored .2 annual or Jiannuai environmental surveys.
Upaaced ‘aformacica {s
3sed <2 taxe conservative estimaces sf rooulation doses
and dose commicmencs.
‘When secole have recurned,
actuai -acermal doses co ‘adividuals are decerainea cor whole body count:ag and Sicassay daca. These
tagu.cs are comoined vith environmental jaca om che extermal radiacion enviromment 20 compiece ine cocal
cose
assessmenc
d1cture.
Rererences
lL.
Dunning, G. M., “NadfLoaceive Contamination of Caertaia areas 1.2 the 2acific 2cean from Nuclear
Tasts, «. Summary of tne Jaca crom the Radio.ogica. Surveys and Medical ixamaacions", JSAEC Reporc,
Auguse, 957.
2.
deld, 2. E., ‘Gamma Dose Races at Rongelap acoll, 195481963", USAEC Resort, JWFL<-391, Hay 1.965.
3
2,
tDemaldson, L. 2., at al.
‘Bikiatetniwecok Seudies, 1.946, 2are <I and Il", University of Wasniogeoa,
Laooratory of Radiacion 3iology, UWFL-393, Sepcemper 1.5, 966.
+.
dJeex, 4. L., 3enmect, 3. G. and McCraw, T. F., “Excernal Radiation Levels on Bikini Acoli May
.967, JSAEC Report, 4ASL-i90, Jecemoer 1967.
5.
S3ennect, 3. G. and Jeck, 3. 0., "Sxternsi Radlacion on 3ikini Acoll", Naeure 223: 925-928
, 1969.
4.
Zeid, E. 2., ‘"Radtological Resurvey of Animals. Soils and Ground Wscer ac 3ikini Acoll, 1969-13970",
Uairversicy of Wasningtoa, College of Fishertes, NVO<«269-4 (Rev. 1), February 1971.
7,
$imich, A. 2. and Moore, W, £., Revort of Radiological Cieam up of Jikini Atoll, Office of Dose
Agsessmenc and Svstems Analysis’, “sescern Zavironmencai Research Laboratory, Zaviroamental Protacc:on
agency, SWRHL-lllr, January 1972.
3,
SMeCraw, T. F. amd Lymch, 0. 3. T. Jv., "Exposure Rate Reduction on 3ikini Island Jue co Concrece
Dwellings, CSAEC Revert, WASH-1273, June 1973.
>.
‘“cCraw, Tt. F., “Levels of Eavironmenral Radfoactivicy ia 3ikind Acoil, USAEC Report, WASH-1289,
L974,
19.
Emewetak Radiological Survey, Volumes 1, "I and III, JSAEC Nevada Operations Office, Repore WO0-140,
Qesover 1973.
i.
Lynch, O. 3. 7. Jee, McCraw, T. F., Nelson, 7. A., and Moore, 7. 5., "Radiological Resurvey of
Sood, Sotl, Air and Ground Wacer ac 3ikini Acoll, i972", USERDA Report, =RDA-34, february 1975.
2.
Sudiksen, 27. 3., and Robison, 4. L., “Preliminary External Jose Zstimaces for Fucure 3ikiai Acoll
lahapicancs, Lawrence Livermore Laboratory Revort, Orelimiogry UCRL-31879, Auguse 1975.
13.
2?aiumbe, 2. ¥. and Lowman, F. G., ‘The Occurrence of Antimony-125, fYurcptumei55, Lron-55 and
Other Radionuclides in Zengelap Acoll Soil’, JSAEC 2evore UWFL-56, April 7, 1958.
14,
Lowman, F. G., "Marine Biclogical Invescigacions at che Saiwerok Tese Sice’, from Jisposal of
Radioactive Jastes, I[acernsctonal Atomic Energy Agency, ‘ienna, 1960.
15.
Yelker, 2. 3., Zeld, &. &. and Gessel, 3. ?., ‘Radtocesium in Plants Grown on Rongelap arcoil
Soils, %ec. Advan. 30¢. 2: 1363<1367, 961.
18.
tole, 3. 4., Gessel, S$. 2. and Held, 2. 5., ‘Tension Lysimecer Studies of [on and Moisture “ovetence 1a Glacial Till amd Coral Acgil Soils Seil 3e4. 3ce. am. Proc. 28: 321-325,
1961.
17.
Lowman, 7. G. and Palumpo, 2. 7., "Occurrence oc 3ismuca=-207 at Zaiwecok Acoll", Nacure 193:
79607397, 1362.
18.
Thaxravart:, 3. and Seld, 2. 5., ‘Chemical and Radiochemicai Composicion of she Rongelapese
Qtec', J. Fo0d fet. 29: 222-223, 1963.
3.
<amaay, 2. M., "The Soils of Ronugelao Acoll, Marshall “islands”, Universicy of dasniagton ress,
Corvailis, 1962.
20.
deid, 2. Z., “Qualicacive Ofseribucion of Radiomuciides at Rongelap Acoli”, amer. inse. Jiol.
Scei., Reramold P1201. To., New York, 1963, ap. 167-169.