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BEST COPY AVAILABLE * TMS report is based on work perfomd under Contx%ctNo. with the Atomic ,IlwrgUxmis sim and in cooperattin
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expimtemd in radiationdetedd.cman$ tha eWLuatlOn of Fadlatw age. With the coqiletionof the field portionof the projectthe %o~m..,,.,- .“ organizingthe data, andm%ing the reportshas been tha mrk of the.
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the fish succumbedto the poisontby were oolleotedby hand or dip ndb Collections were &cm mitersl of illatertaxWw?e made at six of a depth of W feet or less& ~ four the resurvey party worked at Eh.imetokCO~OtiOJ=. major0ab30ting stations. of the six stations, #roeof tho ato32~ near the three test sites of Runit$AomondN.i&i and EngeM.O The other three major oolleotions-Rl@K, Igurh and Japtan=were frcm areas,, seven to i%urteenmilesremovedandwkra it was expeatedtho contamizlatioll‘. wouldbe slightor at most very mxoh redwf3& k-, are marked withX~Se Othar fish. * The Owtline of this report, in
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As at MMni, an atiemptwas At fin or nore stationsth fol.1-~. , mde to collectat each stationthe. fisheswere collectd; Oardml, ~, The collectionsmere dividedkato two parts~ simUar as to xnmber, size and type of spechens~ Une partwas used fresh in the fieldfor preparation of sampleswhile the otherwas frozenand returnedto the laboratorybefore sanpleswere prepared. A comparisonof the countsof the W@es ??rePar@m fresh and from frozen specimenswas x3a&3and althoughstatisticalanalysiswas not fe.asibl.o$fromexami=tion of Rl@re 2 it is believedthatthe difference is not significant.(JU30 see Table XII.) For an -t comparisonthe in the same area. ~ these standardsthsm mild be only a few samplw for comparison. To increasethe size of the lot for comparisonthe sampleswere grcwpedby speciesand by tissueand correctedfor tissueto bob ratio to give the total body countper IcUogramof fish. ‘rhisval,ueplottedas the o~te with the area as the abscissais the graphplottedin IH@re 2. It is reasonableto ammo tMt the differencesthat do extstcouldaxisefrm lack of identityin species and tissue in the comparison, and thmmforo the
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Comparisonof EniwetokSampleskpared in the Fieldwith Those I%ozenin the Field and Preparedat the Universityof Washington Laboratozy. Samplescorrectedto an August9, 19489 titing Date* Total.Body Count and bpressed as Mil.limicrocuriesper Hlogram Runit Biijiri Bogon Rigili Igurin Japtan
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Xu the field 7$ fresh, fish were uawd to preparaa total of 474., ,“ , . ,. used * pg@m3?@,.&m’tdL of 363 samples for a grand total. of 145 and 837.
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a kge numhm,o~ Slab and O&W IW@Sa to be mmted it uaa dsdded befo~ pi IX&&J T&j O&nter the wai set in a drodar lead Aid with a alid- & plate holdorand join&lwith a ~cal-a of 64 ?oal&. Eoth productswere &ddaMug fai@y qztdly it was neoeamry to oorreottlm munts to the sam The Ccwreotion for date of Oountingwas dntemdned f&oEltht,yp, Q!l
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were emmtually cmvwrted to mLLWzMx=oouriaspor kilop in the dfmodnator. the om of the ti.ivi~ of all of its t&uW313.
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two parts~ (1) samplasfrom areas adjacentto the bonb si@s, and (2) samples from areas 7 to M miles from the bomb sites. Qf the 8amp3.+from areas ad@xuxt to the bomb sitesthehighestoountswouldh expectedfromthe mea nearestthe mostreoent explosion if deoqy is the primipd factor. Upon this amumpb$on the hi@xM countswwald be expeoted from samplescollected activityby speoieswas calculatedas being the averagetotal boo activi~ for one speoies from all areas. Tissw activitywas calculated- the average aotivityper M.logranof tissue for all fish from all areas. 1‘,1,~‘!
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as Mllimicrocuriesper Kilogramof Fish; Areaslisted in an East to ?festCounter-clockwiseDirectionAboutthe Runit Biijir Bogon from Bomb Sites
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MUlimicroouriesper Hlogram of Wet Tissue. All Speoies from all Areas Combinedfrom Bomb Sites CollectingAreas Adjacentto Bomb Sites Bone skin Muscle
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Ih genBraZ, values of less than f%veIdXLimicroouries per Mlogran for 1,7~ mmpbs (2%j Wa error was between fifty and one hundred per cents and for 270 samples(45%) the armr was greater than one hundred y3r cent. The majority of samptiswith ~k~ound ood”’ or less and wi~~ low oounts In estimatingthe averagetotal I&y activityin cliffermt areaswhere speuiesdifferthere may be a slighterror due to the fact that sow species nay be nore radioatiive than others: The error was ‘~ed by at+mrnpting to
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13M$i$’iand Ihgom-inthe wioinityof the bomb sitm ardat threereefstations.. collectionaXsO includsda few fish caught by hook and line~ l?rum245 fia. was caktbratedwith a Ra ~ studard. STO-t dtff8_8 was fcxndinl miUimi.oroourles per kilogram for Runit, Biljiris and Byp respdxhely and stationsare listedin rfmrse ohronologioal urdar relative to tb3 of explosim For tb bomb site areas the greatmit amount of total body ackivi~ was fti h Me ad, ~goon, ~amh, snd parrotfishwith the value for
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speciescombinedfrom the bomb per kilogram of uet ti3suewas bone, 50 for skin and 19 for xmsclec ‘f’hec-s were correctedfm background, for weight of WuKph, for ~eo.m=try, and for date of counttig. Becausethere was probab~ xx-m10ss of activity during the asking process and no w~ectioxls counter wimkm, or for the probabilityof ionhatim, the estimates d activity
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An effortwas Ma to wllect ths same.-s. in all areas for mmpamtive plmposeso Hmever, only two genara ware oollmcti
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samples from the oollectiom in areas ad$m~ to the boa sites glroupsthe rel.atfixhipMx-n amount of aotivity and klnciof alga as shown.
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TM imertebrate collectionswere from shallowre8f waters in the Most of tb mmpba were counted “differ~.fxwmt.b histogramsof M=-es 4 and 6 in that the vahxe for .=t to 19722 mpc/.kg* Other invertebrates with WHviduil values of 1000 or more
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t~8 Of mta were used, a standard CMMMAOterMIAael Sam net 00tiruOted in the field and mre ouuntedat the WWersAty ti WashingtonLaboratoryon of the fine xmsbminst were conaidarab~ greaterthan those fkom the mame
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I as Milli.mltmxwrles per Xilogmm @ Wet Samplm ! Area nit e Hour 1 ma Lzlt Average
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Ku. an?al.and aams were be $wmrdw# by the folbwing the presenceof Skd,,etonsof the out to 250 ymk on ths northwest Appreciablequsmtitis of living coral and dams were observed
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data were so areas 7 to u I!d.1.esremovedfrom the bomb test sitesthat Ule. ,,,’.,k+?,.
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ad J@tau rwwtiwelys I?u%’damel mad surgeon fish *U.* mar the bomb ai.. Ureas%llm amram total body aatitib - MO ~tyu3?ii3s of &gae fm the arem ad$aoentto the bomb aitm was 1004 as mwared to 79 for the areas 7 to 34 miles Zwmoved* Ihdividllal sample vshes far &L@M3 The invertebratecollectionstialudsdsuahanimalsas sponges,
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