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占/占タ ざ〕ニ ー‥ ∠癖 ISSNO441-2516 NIRS-RSD-131 RADIOACTIVIT SURVEYDATA in Japa Pa止2 =DietaryMaterials= mBER131 January 2002 NationalInstituteofRadiolog Chiba,Japan

RADIOACTIVITY SURVEY DATA in Japan占/占タ ざ〕ニ ー‥ ∠癖 ISSNO441-2516 NIRS-RSD-131 RADIOACTIVITY SURVEYDATA in Japan Pa止2Radioactivity Survey Data in Ja p a

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  • 占/占タ

    ざ〕ニ ー‥

    ∠癖 ISSNO441-2516 NIRS-RSD-131

    RADIOACTIVITY SURVEYDATA

    in Japan

    Pa止2

    =DietaryMaterials=

    mBER131

    January 2002

    NationalInstituteofRadiologlCalSciences ●

    Chiba,Japan

  • Radioactivity Survey Data

    in Ja p a n

    Number 131

    August 200l a rt 2 = Dieta r M ate rials =

    Contents

    e

    P EnvironmentalandDietaryMateriaLs

    (JapanChemicaIAnaJysisCenter)

    ▲1 2 3 4 5 丘U

    CoJlectionandpretreatmentofsampIes PreparationofsampIesforanaIysIS SeparationofStrontium-90andCesium-137

    DetermjnationofStabJeStrontium.Calciumand Pota$$ium

    Counti咽

    Results

    (1) Strontium-90 andCesium-137inTotalDiet

    (2) Strontium-90 andCesium-137inRice

    (producingdistricts)

    (3)-1Strontium-90 andCesium-137inMiIk

    (producingdistrictsfordomesticprogram)

    一2 Strontium・90 andCesium-137in Milk

    (producingdistrictsforWHOprogram)

    ・3 Strontium-90 and Cesium-137in Mi(k

    (consumingdi$trict$)

    -4 Strontium-90 and Cesium-137in Mi[k

    2 4

    0 1

    1

    1

    1

    ・1-

    (powderedmilk)

    (4)-1Strontium-90 andCesium-137inVegetables (producingdistricts)

    -2 Strontium-90 andCesium-137inVegetabLes (consumingdistricts)

    (5) Strontium-90 andCesium-137inTea(JapaneseTea) 丁 8 1 3 【J

    一・■ 1 2 2 2

    (6) Strontium-90 andCesium-137inSeaFish

    (7) Strontium・90 andCesium-137inFreshwaterFish

    (8) Strontium・90 andCesium-137inShellfi$h

    (9) Strontium-90 andCesium-137inSeaweeds

    EdittedbyNationaHnstituteofRadiologlCalSciences,underthesupervisionofMinistryof Education,CuLture,Sports,ScienceandTechnologyofJapaneseGovernment.

  • EnvironmentalandDietary MateriaJs▲

    (JapanChemicafAnalysisCenter)

    1. CoIIectionandpretreatmentofsamples (り Rajnandd「yfa‖0Ut

    Rain and dry faHout was co[lected monthly on a SamPllng tray,aPPrOXimately 5000cm2in areal Whichwasfi][edwithwatertoadepthoflcmatthe beginn‡ngOfeverymonth・

    Strontium and cesium carrter solutions were

    added afterthe samplewasfiLtered.Thetraywas WaShed with520f disti”ed water and the washing WaS COmbined to the filtrate.

    The samp葦e was passed through a cation exchangecoLumn(500mD OfDowex50WX8,50~ 100mesh,Na form)at a rate f10W Of80mD/min.

    (2) Airborne dust

    .Airborne dust was collected by an electrostatic PreCIPitator or a fiLter air sampler for every three- monthsatarateofmorethan3000m3permonth・

    The sampLlng WaS doneltol.5meters above theg「0Und.

    (3) Servicewaterandfreshwater Service water.1002 eaCh.was collected at the

    intake of the water-treatment PJant and at the tap after water was left running for five minutes. Strontium and cesium carriers were added to the

    filtered water sample.The subsequent process WaS the same as that describedin the section(1).

    Freshwater\〟aS t「eatedin the same way as the SerVice water.

    (4) Soi】

    Soilwas cotIected from the)ocationin the

    SPaCious and fLat area without past suげace distur・

    bance caused by dust storms.infIow and out f10VJ due to precIPitation,etC・・ Any placeslocated undertreesin a forest.in a stonyarea orinside of river banks were avoided. Soilwas taken from two

    layers of different depths,0-5cm and 5-20cm・ The soiIlumps were crushed by hands and driedin adryingovenreguLated105OcIThesojLwasthen passed through a 2mm sieve to remove plant roots andpebbles.

    (5) Seawater

    Sea water was co=ected at the fixed stations

    Where the effect ofterrestrialfresh water from rivers

    WaS eXPeCted to be negLigibIy sma=.A special COnSjderationvvasalsoglVentOWeatherconditions・

    The sampIIng WaS Carried out when there was no rainfallfor thelast few days.To prevent COntamination.watersampleswerec011ected atthe bowofasampllng boatjustbefo「eshest00dst州by SC00Plng SUrfacewateruslng a P01yethy[ene bucket

    1mmediateEy after the co=ectjon.the samples were acidified to a pH lower than 3 by adding COnCentrated hydrochEoric acidin a rati00flm2t0 1Q Of sea water,and then storedin203POlyethy- 1enecontainers.ThesampLlng equlPmentSaSWell as containers were thoroughly rinsed with diLute hydrochJoricacjd andthenvJIth dist州edwaterbefore

    USe. Two hundred m川iLiters of sea water was also

    CO‖ected at the same stations for the determination

    Ofch10r血ty.

    (6) Sea sediments

    Sediment was c01Iected jn the same area as that

    for the sea water sample.taking the followJng Criteriainto account:

    a.Thedepth ofwaterexceedslm at10Wtide. b.No slgnificant sedimentaImovementis ob-

    SerVedinthevicinityofconcern. C・Mud.sj-tandfinesandarepreferable.

    A conventiona.sediment sampLIng device was used for collectlng the top few centimeters of SUrface sediment・ ApproximateIy 4kg of the SamPlein wet weight vvas spread on a stainless SteeJdish a代erremoved ofthe pebbJes.shellsand OtherforeJgn materiaIs,and driedin a drying oven regulatedat1050c.

    (7) Totaldiet

    Aful10nedayordinarydie=nc[udingthreemeals, Water.tea and otherin-between snacks for five

    PerSOnS WaS CO=ected as a sample of ‖totaldiet“.

    The samplein a Earge stajnless steelpan was Carbonized caref山Iy by direct appLLCation of gas fLame.and was transferred to a porcela)n dish and then ashed at4500cin an electricmufftefurnace.

    (8) Rice

    PoIished ricewasc011ectedin produclng districts at the harvest and in consuming areas when new CrOPS Were first put on sale・ The sample was Carbonizedandashedinaporcelaindish.

    ★ SamptesweresenttotheCenterfrom46contractedprefectures.

    (1)

  • (9) M欣

    Rawm‖kwasc011ectedin producingdistrictsand COmmerCia暮milk〉帽SPUrChasedinconsumlngdistri-

    CtS.Milkin a stainless steelpan or a porcelain dish was evaporated to d「yness foHowed by carbonization and ashing

    (10)Vegetabtes

    Spinach and Japanese radish were selected as the representatives forleft vegetables and fo「 nonstarch roots,reSPeCtively.Afte「removmg soiE. the edibIe part of vegetabre sample was dried and carbonized in a stainless steel pan or a porcelain dish.

    (11)Tea

    Five hundred grams of manufactured green tea WaS CO‖ected.carbonized and ashedin a stainless

    Steelpanoraporcelaindish.

    (12)Fish,SheHfish and seaweeds

    a Sea fish and freshwaterfish Fish was rinsed with water and bIotted with a

    f‖terpaper.0nIythe edible pa止was usedin case

    OfFargersizedfish,andthewh01epartwasusedin CaSe Of smaHer ones.Each sample was weighed and pEacedin a stainIess steelpan or a porcelain dish.ARer carbonized.the sampJe was ashedin

    an electric mu鮒e furnace.

    b.SheIlfjsh Approxlmately 4kg of shellfish lncluding the

    She(lswas coFlected orpurchased.AfterremovIng

    the sheHs.it was treatedin the same way as that forthe sea fish.

    C.Seaweeds

    Edible seaweeds were co=ected and rinsed with WatertOremOVeSandandotheradheringmatterson

    the surface. These were removed of excess water,

    Weighed driedandashed. Tabrelshowsdetailsofsampleco=ection.

    Tablel Detairsofsampleco=ection

    Sample Frequencyofsamp‖ng Quantityofsample

    =Envjronmentalmaterials=

    (1)Rainandd「yfalbut

    l.Fordomesticprogram 2.Fo「)VHOprogram

    (2)Airborne dust

    (3)ServicevJaterand freshwater

    l.Servicewater(sourcewater)

    2.Servicewater(tapwater)

    3.Freshwater

    (4)Soil

    ト 0~ 5 cm

    2.5~ 20cm

    (5)Seawater

    (6)Sea sed血ents

    =Dieta「ymateriaIs=

    (7)Totaldiet

    (8)Rice

    l.Producingdistricts 2.ConsumFngdist「icts

    (9)Milk

    lP「OducingdLStrictsfo「

    WHOp「og「ar¶

    2.P「oducingdistrictsfo「

    domestic program

    monthly monthly qua代e「ly

    Semlyearty semlyearly yearly(fishingseason)

    yea「ly

    yea「ly

    yearly yea「ly

    Sem】yearly

    yearIy(harvestingseason) yea「fy(harvestingseason)

    〉3000m3/month

    lOO β

    100 β

    100 β

    g g β q)

    .K k k O

    4 4 4 4

    daily amountfor5persons

    5kg(polishedrice)

    5kg(polished rice)

    qua代erFy(February,May,Augustand 3 Q

    November) Semiyea「iy(Feb「uaryandAugust) 3 Q

    (2)

  • Sample Frequencyofsamp=ng Quantity of sample

    3.Consumlngdistricts 4.Powdered mi】k

    (10)Vegetables

    ト P「oduc‥「gdist「icts

    2.Consum[ngdistricts

    こ11)Tea

    こ12)Fish.she11fish and seaweeds

    l.Sea fish

    2.Freshwaterfish 3.She】lfish

    4.Seaweeds

    Semiyea「1y(FebruaryandAugust) 3 Q SemiyearJy(Apri[andOctober)

    year[y(harvestingseason)

    yearly(harvestingseason) yearly(thefirstharves柚g season)

    yearIy:fishingseason)

    yearly(fishingseason)

    yearJyこf[Shingseason)

    yearIy(fishingseason)

    2・ P「epa「ationofsamplesforanalysES

    (1) Rain.servicevvaterand freshvvater

    Strontlum and cesium were eIuted v両h hydro-

    ChbricacidfromthecationexchangecoEumn.The resLdueof「ain sampLeonthef‖terpaperwas ashed

    in an eiectric muffle furnace and the ash was

    diss0lvedin hydrochEoric acid.The汗1SO】ubEe part

    WaS 畑te「ed and washed. The filtrate and the

    WaShJngSWereCOmbined tothe prevIOuS eluate and USedforradiochemlCaranalysIS

    :2) Soiiand Sea sediment

    Dried s○‖was crushed to smaLler ones than O.2

    5mmin sizebyacrusher.Thesieved samplewas ashedin an electric muffiefurnace reguEated at450 〇c Thesamp-ewasthen heatedvvith hydroch10ric

    acid,StrOntium and cesium carrier soJutions and the

    mixture was heated. TheinsohJbIe constituentwas

    f=tered offand washed vJith water

    The d「ted sample was crushed to sma‖er ones

    than O25mm by a crushing machine.The further

    P「eParation of the sampIe vJaS the same as that

    described m the section2-(2)

    (3) RICe

    Theashed samp(e was pulvenzed with a porceト

    ain mo「tar and passed th「ough a O.35mm sieve

    The sieved sampte to which both st「ontlum and

    CeS山m carriers were added,WaS digested vJith

    nitric acid by heatmg,After the sample was heated agarn wlth njtric ac■d to d「yness.strontium

    and cesium were extracted with hyd「OC付o「ic acjd

    and water. Theinso山bJe constltuent VJaS fFLtered

    and washedThe f‖trate and vJaShings we「e

    COmblnedforsubsequentradIOChemicalanaIysJS

    4:A】rbo「ne dust,diet,ml朕vegetablesf]Sh

    and sheliflsh seaweeds tea and others

    These ashed samp】es we「e t「eated 血th the

    Same PrOCedu「e as that descnbedln the section2-

    (4).

    3. Separation ofstrontiumT90andcesium-137 こ1) Stront山m・90

    SampJe s0lutlOnSIP「ePa「ed asln the forego■ng SeCtions2-(1)th「ough2-(4).vJere neUtraIizedwith

    SOdium hydroxide.After sodium carbonate was addedr the precIPitate of strontium and calcium Ca「bonates was separated The supernatant SOLutjon was retained for cesium-137 determination

    The carbonates were dlssolved in hydrochloric acidand st「ont山mand calc■umWerePreCIPitatedas OXa垂ates The p「ecIPltate WaS disso!ved[n nitric acid

    and st「Ontium vvas separated from calcium by SuCCeSSive fumFng njtric acjd separation.lron scavenge was made after addition of ferric iron CarrierfoHowed by bariumchromate separatlOn after addition of barium carrier to remove radium.its daughters andlead.St「ontium was recovered as

    Ca「bonateand the precIPjtate was dried and VJelghed to determine st「ontEum reCOVery.The StrOntium carbonate vJaS dissoivedin hydrochJoric acid andiron carrjerwas added. The sofution was

    釧owed to stand fortwoweeks for strontium-90and

    ytt「ium-90to attaln equ=ibriumYttrium-90was

    COPreCipitated wlth fe「「ic hydroxide and the P「eCゆtatevJaS付te「ed off,WaShedandcounted.

    (2二 Cesルm-137

    The supernatant separated from the stront山m fractionwasacjd怖edwlth hydrochloncacldW柚e Stirrlng.CeS」um WaS adsorbed on the ammon氾m

    motybdophosphate added After fiFte「ed off and washed\山th hydrochIoric

    acld the precIPltate WaS dlSSOivedin2 5N sodFum hydrox■de so‡し1t一On The sotution was ad)USted to

    PH82vvlth hydr-OChlo「lC aCid and a‡JovJed to cooJ

    ResuLtant m01ybdenum hydroxide which separated

    ・:;・

  • digestedwithhydrofluorlCaCldand nitricacid The ext「actwas made up to an appropriate v01ume With d‖山e hydrochEoric acid・The sample s01ution WaS anaLyzed for calcium by titration血th standard

    POtaSSium permanganate s01utlOn afte「SeParating Calcium as oxalate.Atomic absorption spect(OS- copy was applied when appropriate Stable St「Ontiumand potassiumweredetermined byatomic absorption and fIame emission spect「ometry. respectiveJy.

    5. Counting After the radiochemical separation the mounted

    PreCIPitates were counted for actNity usrnglow backgroundbetacountersnormaiJyfor60to90minl Net sample counting「ates were corrected for COUnter effjciency.「ecovery.self-absorption and decay t0 0btain the content of st「0ntium-90and CeSium-137per sample al)quOt.From the resu.ts, COnCentrations of these nuclidesin the ongInaI SamPleswerecaJculated,

    outin the s0lution.was fiItered offand washed with water EDTA was added to the filtrate and wash- LngS.Cesium and rubjdium were adsorbed on a Cation exchangec0lumn andces山mwas separated

    fromrubidiumbye山tingwithhydrochloricacid・ The eluate was evaporated to dryness and was

    dissoEvedL The soIution was f肌ered,

    ChLoroplatinic acid was added to precipitate cesi- um.TheprecipitatevvasfiFteredontoataredpaper uslng a demountable f‖ter and washed with water andthen ethanoト Afte「drying,thechemicaIyieid Of cesium was dete「mined by weighing the p「ecrp- itate,Cesium-137radioactivity was measured for thisprecIPitate.

    4. Determination of stabIe strontium.caIcium

    and potass山m

    A weighed anlOUnt Of soiE or sea sediment was heatedin a electric muffle furnace at 450Cc and thentreatedwith hydrochioricacidforextraction・ A weighed atiquot ofashed samples oftotaldieし Vegetabres.milk.fish,She‖fish or seaweeds was

    (4)

  • 6. Results (り Strontium-90andCesium-137inTotaJDiet

    (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Tabk(1) Strontium-90andCe$ium-137in TotalDiet

    Ash Ca K

    (g/p/d) (mg/p/d) (mg/p/d)

    Location

    (Bq/g Ca) (Bq/p/d) (Bq/g K) (Bq/p/d)

    Hay.1999 twanai-maChi.HOKKAIDO

    Yamagata.YAuÅGATA

    Higa$hjne,YAHAGATA

    Otsu,SHIG人

    血azu十maChi,SH柑A

    Jun,1999 Sapporo,HOKKAIDO

    Aomori.AO】ORl

    Åjiga$aWa十maChi.AOHORI

    Horioka,lWATE

    Iwaizumi-maChi,川ATE

    Fukushima,FUKUSHIHA

    Okuma・¶aChi,FUKUSHIHA

    Hito,lBARAKI

    Tokai-mUra,lBARAKI

    Ut$unOmiya,TOCH柑l

    0.059 ± 0.0093 0.11

    0.061 ± 0.01 0.18

    0.064 ± 0.01 0.19

    0.057 ± 0.0092 0.074

    0.058 ± 0.0098 0.086

    0.018 0.041 ± 0.0067

    0.029 0.012 ± 0.0052

    0.029 0.031 ± 0.0059

    0.012 0.031 ± 0.0063

    0.015 0.048 ± 0.0088

    0.022 ± 0.0036

    0.0078 ± 0.0033

    0.019 ± 0.0036

    0.013 ± 0.0026

    0.022 ± 0.0041

    4 6 8 1 3

    2 2 5 6 5

    1 1 1 1 1

    企U ▲只V ■4 7 3

    2 4 4 7 7

    ■.hJ 3 3 7 6

    0 0 0 0 0

    5 7 3 3 5

    8 【J 6 4 1

    1 1 1 2 2

    0.043

    0.066

    0.079

    0.04

    0.044

    0.023

    0.051

    0.059

    0.029

    0.044

    0.042

    0.046

    0.056

    0.072

    0.018

    0.036

    0.0086 0.092

    0.011 0.097

    0.012 0.073

    0.0099 0.075

    0.0094 0.086

    0.0072 0.071

    0.0083 0.11

    0.0093 0.098

    0.0077 0.046

    0.0086 0.11

    0.0089 0.067

    0.0098 0.098

    0.0096 0.1

    0.011 0.12

    0.0071 0.044

    0.0082 0.078

    0.0061 0.012

    0.0094 0.024

    0.0083 0.017

    0.0072 0.024

    0.0094 0.051

    0.006 0.02

    0.0055 0.016

    0.0096 0.032

    0.0063 0.021

    0.0053 0.011

    0.0078 0.035

    0.0079 0.028

    0.007 0.023

    0.00了 0.016

    0.0047 0.0083

    0.0063 0.013

    0.019 0.026

    0.017 0.06

    0.011 0.032

    0.018 0.043

    0.0柑 0.099

    0.022 0.032

    0.0柑 0.025

    0.015 0.098

    0.012 0.04

    0.022 0.02

    0.014 0.063

    0.021 0.058

    0.017 0.046

    0.018 0.039

    0.017 0.012

    0.018 0.028

    00 8 5 0U OU 4 1 2 3 00 5 9 2 9

    2 3 4 4 4 3 3 3 3 3 4 3 3 2 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 (U O O O O O O O O

    O O O O O O O O O O O O O O O O

    ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±

    17.2

    21.1

    16.7

    13.9

    13.2

    14.3

    10.8

    20.4

    15.4

    12

    5 3 0 0 0 9 5 3 7 4 0 1 4 3 「′ 4

    6 7 7 4 ■- 2 6 0 2 9 3 7 ■.〇 1 0 6 4 6 0 5 5 3 4 6 6 3 6 ▲丁 5 6 AT ▲T

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

    2 7 2 0 亡ロ▼ 亡U 2 9 5 8 2 7 0 3 7 5

    2 4 8 8 9 5 丘U O 9 7 8 0 0 ヰ 4 1

    2 2 1 1 1 1・1 3 1 1 1 2 2 ,-1 2

    ninamikaYraChトm8Chi,T∝:川G114.4

    Naebashi.GUNHA

    Nakanojo-maChi,GU

    Ur訓帽,SAIT州肌

    Kumagaya,SAITAHA

    Chiba.CmBA

    (5)

  • Ash Ca K Location

    ル ル

    (Bq/p/d) (Bq/g Ca) (Bq/g K) (g/p/d) (mg/p/d) (mg/p/d)

    0082 0.0了3 ± 0.015 0.035

    0086 0.12 ± 0.029 0.018

    0083 0.055 土 0.0川 0.03

    0094 0.068 ± 0.014 0.055

    0098 0.097 土 0.018 0.036

    0091 0.088 ± 0.022 0.017

    2610 0.04 ±

    957 0.035 ±

    26544312824352728393745313239362733343337朝284338朋3437 0 0 ▲U O O O O O O O O ▲U O O ▲U O O O O O O O O O ▲U ▲U O O O O O O O O ▲U O O O O O O O ∧U ▲U O ▲U O O O O O O O ∧U ▲U O

    ∧U ▲U ▲U O nV ▲U ∧U ▲U O O O O O O O ▲U O 〈U ▲U O O O O O O ▲U O O

    ± ± ± 土 土 ± 土 土 土 土 ± ± ± ± 土 ± 土 土 ± ± ± ± ± ± ± 土 ± 土

    1

    1 6

    5

    3 8 1 5 7 5 9 1 8 8 2 7 1 9 7 2 1 5 q) 7 8 6 1 4 1

    1 1 2 2 1 0 1 1 ▲1 3 1 3 1 1 0 3 0 1 1 1 1 2 0 3 2 2 1 1 0 0 ∧U ▲U O ▲U ∧U O O ▲U ▲U O O ∧U O O (U O O O ∧U O O O O (U O ▲U

    O O ∧U O O O O O O O O O O O O O (U O O O O O O O O O O O

    「/ 2 3 9 5 2 1 3 2 1 6 3 2 亡U 7 5 4 4 6 3 0リ 9 丘U ∧0 6 6 5 丘U 8 丘V ■.〇▼ (0 5 7 8 6 8 5 5 4 8 4 6 5 5 5 7 5 8 6 亡U 5 5

    00000000000000000000000000000000000000000000000000000000

    0 人U O O O O O O O O O O O ▲U O O ▲U O O (U O ∧U O O O ▲llU O ∧U

    ± 土 土 土 ± 土 土 土 ± ± ± ± ± ± 土 土 ± 土 ± 土 ± ± ± ± ± 士 ± ±

    0 ▲U ∧U O O ▲U O ▲U O ▲U ▲U O O O O O O O O ∧U O O O O O O nV ▲U

    Chikura-maChi,CH[BA

    Shinjuku,TOKYO

    Hachijo-maChi,TOKYO

    Nishikavra-maChi,NllGAT

    Kashiwazaki,Nl柑A一人

    Toyama.TOYAl肌

    Shinminato,TOYANA

    Kanazawa,lSHIKAWA

    Torigo8一肌ra.1SHIKAWA

    Kofu.Y人目ANASHl

    lchinomiya-maChi,YAMANAgll

    Nagano,NA(;ANO

    Toyono-ma¢hi.M瓜ⅦO

    Gifu,GIFU

    Takayama.G作〕

    Shizuoka,SHIZUOK人

    目anaoka-m8Chi,SHLZUOKA

    Nagoya,AICHI

    Shinshiro.AICHI

    Ts仇uほ

    Owase,】ほ

    Kyoto,KYOTO

    Naizuru,KYOTO

    Osaka,OS〟仏

    Izumiot$u,OS仙

    Kakogawa.HYOGO

    Hamasaka-maChi,HYOGO

    Kashihara,NARA

    5 1 3 ■.〇 9 7 9 5 6 4 ▲「 2 1 5 3 9 6 ▲「 l Ar Q) 3 9 3

    8 9 2 1 9 ▲「 3 7 ▲‖B 3 1 5 4・1 9 6 3 4 3 6 3 3 3 6 2 3 ▲「 2

    6 8一- 8 了 7 3 貞V 9 rP 5 0 1・l つ) ▲q〉 ▲h 8 7 3 8 ■.D 5 ▲ソー2 貞∨ ▲只V一-

    5429引6753405052幻4743咄564850刊53糾464846朋引封耶537063

    0.034 土

    0.046 土

    0.052 ±

    5090101040904010209000602050303040307020802020203010

    5 5 4 3 7 8 6 1 丘U 7 8 5 1 2 7 0 6 6 ▲「 7 8 0 8 6 7 5

    1 2 2 2 1 1 2 クーl l l l l ▲ツー1 2 1 1 1 1 1 2 1・- 1 J・-

    0.036

    0.051

    土 土

    01 0.1 ± 0.02

    0067 0.056 土 0.O13

    0087 0.068 ± 0.O11

    0095 0.12 土 0.02

    0.026

    0.02

    0.051

    0.065

    0.029 士

    0.057 ±

    0.056 土

    0.04 ±

    0.03 ±

    0083 0.091

    0086 0.063

    0076 0.048 008 0.077

    0.0柑 0.03

    0.018 0.068

    0.014 0.021

    0.017 0.016

    ± ± ± ±

    0.027

    0.037

    ± 土

    0065 0.041土 0.013 0.008

    0086 0.047 土 0.011 0.069

    008 0.0糾 ± 0.015 0.017

    0084 0.085 土 0.019 0.035

    0083 0.075 ± 0.O18 0.02

    0091 0.095 ± 0.019 0.019

    0.02 士

    0.035 土

    0.034 土

    0.038 ±

    0.035

    0.046

    0.055

    0.046

    0.048

    0.034

    土 土 ± ± ± ±

    0088 0.12

    011 0.11

    0099 0.093

    0078 0.047 007 0.089

    0.0柑 0.023

    0.025 0.05

    0.0柑 0.013

    0.0‖ 0.077

    0.019 0.048

    ± ± ± ± ±

    0.033 ±

    0.045 土

    0.055 ±

    0.029 ±

    0093 0.084 土 0.017 0.034

    0093 0.078 土 0.013 0.024

    008 0.046 ± 0.013 0.016

  • A$h Ca K Location

    P

    / 伽

    (Bq/g Ca) (8q/p/d) (g/p/d) (mg/p/d) ) d

    〟 g

    いN

    g

    0 0 0 ∧U O O O O (U ▲U O O O O O O O ▲U ▲U O O O O O O O O ▲U

    9

    8 7 1 1 5 1 7 9 1 2 1 2 5 6 1 5 3 5 3 2 2 2 6 6 3 5 0 1 4 7 3 2 4 1 2 5 4 3 2 2

    0 0 0 0 0 0 0 0 0 ∧U O O O ∧U O O O O O O O O

    0.046 ± 0.O11 0,019 Gojo,NARA

    Wakayam8,WAKAYJⅦA

    Shingu.WAKAY川Å

    Tottori.TOTTORI

    Fukube-mura.TOTTORJ

    Okayama,OKAY人目A

    Kamisaibara-mura,OKAYÅ

    Hiroshima,HIROSHINA

    Niyoshi,HIROS日用A

    YaJT]aguChi,YANAGUCHI

    Hine.Y人目AGUC‖

    Tokushima.TOKUSHINA

    Kaniita-maChi,TOKUSHJN

    Takamatsu,KAGAWA

    Harugame.KAGAWA

    Natsuyama,EHl”E

    lkata-naChi.EHINE

    Kochi,KOCHI

    Saga-maChi,KOCHI

    Dazaifu,FUKUOKA

    Fukuoka.FUKUOKA

    Saga.SAGA

    Naga$aki,l帆G人S〟く一

    日at$uura.HAGASAKI

    Kumamoto,KUHJⅦOTO

    Tomiaトmachi,KUNANOTO

    Oita,OI一人

    Saeki,0川A

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ∧U O O O ∧U O O

    7 5 2

    8 7 ▲‖d「/

    0 0 0 0

    0 0 ∧U O

    1 2 4 80 3 2 4 6 2 3 3 2 4 5 0U 9 ▲「 ▲=0 2 8 3 2 1 4 3 ▲「 9

    3 3 - 2 0 8 3 2 ▲「 3 6 6 5 7 5 9 9 5 2 4 0 3 8 ,一5 ▲T 2 3

    4000203040柑6000206040505000柑40000080200070205030800040 7 8 3 5 6 2 6 7 4 6 8 8 1 8 9 4 1 1 4 0 2 3 3 A「 9 8 6 3 1 - - 1 1 2 1 1 1 1 一- 1 2 1 1 1・l クー1 2 1 1 2 1 1 1 1 1

    2 2 7 - 4 5 3 5 ウ‘▲只) ▲b 5 5 8 5 2 2 7 7 6 8 2 クー5

    3 4 4 4 3 3 4 3 4 3 3 4 ▲ソー3 2 3 3 2 3 3 ▲T 4 3 3 3 3 3 3

    00000000000000000000000000000000000000000000000000000000

    0 ▲U O O O O O O O ▲U O O O O ▲U O O ▲U ▲U ▲U O O O O O ▲U O ▲U

    ± ± ± ± ± ± 土 ± ± ± ± ± ± 土 ± 士 土 土 ± ± ± ± ± ± ± ± 土 ±

    6 2 3 9

    6 7

    6 3

    - 7 2 9 00 5 7 7 2 丘U 9 4 00 2 5 6 7 1 7 8 8 1 4 9 9

    1 1・1- 2 1 1 2 ■- - - 1 1 0 2 0 1 0・1 0 1 1 0 1 0 1 1 0 0 0 ▲U O 人U ∧U <U ∧U ∧U ▲U O O O O O O O O O O ▲U O O O O O ▲U O O

    O ▲U ▲U O ∧U O O O O O O O O O ▲U O O O O O O O ▲U O O O O O

    5 - 5 一- - 8 7 7 7 8 1 4 8 00

    8 Q) 1 4・1 4 6 2 3 1 2 7

    5 7 5 6 6 6 亡U 5 5 5 6 8 4 6 5 5 3 ■.D 5 6 5 6 8 5 了 6 5 4 0 ▲U O ▲U O ▲U O O O ∧U O O O O O O O O O O O O O O O O O O ∧U O O O 人U O ▲U O O O O O O O O O O O <U O O O O O O O O O

    O O O O O ▲U O O O O O O 人U ∧U O ∧U O O O O O O ∧U O O ▲U ▲U O

    ± 土 ± ± ± ± ± 土 土 ± ± ± ± 土 土 土 土 土 ± ± ± ± ± ± ± ± 土 ±

    0.07 ± 0.02

    0.042 ± 0.017

    0.046 ± 0.015

    0.019

    0.023

    0.033

    0.031

    0.041

    0.042

    0.029

    0.024

    0.02

    0,03

    0.035

    0.0098

    0.036

    0.016

    0.015

    0.0026

    0.031

    0.01

    0.033

    0.013

    0.01

    0.041

    0.013

    0,021

    01 0.17 ± 0.028

    01 0.11 ± 0.017

    0086 0.06 土 0.016

    0089 0.1 土 0.019

    0066 0.012 ± 0.0099

    0074 0.04 ± 0.016

    0085 0.086 ± 0.0柑

    011 0.07了 ± 0.012

    0086 0.079 ± 0.022

    0078 0.043 土 0.015

    0089 0.077 ± 0.017

    0067 0.029 ± 0.017

    0081 0.083 土 0.026

    0092 0.085 ± 0.014

    0096 0.09 土 0.021

    0077 0.061± 0.013

    0078 0.066 ± 0.023

    0087 0.034 ± 0.012

    012 0.14 ± 0.024

    009 0.1 ± 0.027

    0087 0.058 ± 0.013

    ・1 3 了 3

    0 0 037 ±

    054 ±

    025 土

    015 ±

    0095 0.13 ± 0.023 0.025

    009 0.059 ± 0.021 0.015

    0069 0.053 ± 0.024 0.012

    (7)

  • (8)

    137Cs

    l ′

    g

    m

    a一( C

    AShん

    Location

    (Bq/p/d) (Bq/g K)

    0.019 ± 0.008 0.013 ± 0.0053

    0.03 ± 0.0069 0.011 ± 0.0025

    0.028 ± 0.0062 0.016 ± 0.0037

    0.042 ± 0.0072 0.02 ± 0.0035

    (Bq/p/d) (Bq/g Ca) (mg/p/d)

    1520

    2750

    1690

    2080

    0.053

    0.047

    0.055

    0.045

    0.023

    0.056

    0.033

    0.039

    0.029

    0.04

    0.027

    0.049

    0.071

    0.051

    0.041

    0.062

    0.056

    0.011 0.11 ± 0.023

    0.0097 0.056 ± 0.012

    0.0095 0.14 ± 0.024

    0.0091 0.091± 0.019

    0.008 0.038 ± 0.013

    0.01 0.12 ± 0.021

    0.0095 0.065 ± 0.019

    0.0081 0.1 ± 0.021

    0.008 0.079 ± 0.022

    0.0085 0.064 ± 0.014

    0.0076 0.059 ± 0.017

    0.0092 0.076 ± 0.014

    0.012 0.12 ± 0.02

    0.0092 0.08 ± 0.014

    0.0099 0,034 ± 0.0084

    0.0097 0.089 ± 0.014

    0.01 0.097 ± 0.018

    Hiyazaki.椚YÅZAKI

    Takachjho-maChi,NIYAZA

    Sendai.KAGOSHIHA

    Okuchi,KAGOSH川肌

    Jul,1999 Jshinomaki,NIYAG1

    0nagawa-maChi,HIYA引

    Akita,AKITA

    Yokote,ÅKITA

    Yokohama,KANAGAWÅ

    Hiratsuka.KANAGAWA

    Fukui,FUKUI

    Tsuruga.FUKい

    舶tsue,SHIHÅNE

    Kashima-maChi,SHINANE

    Karatsu,SAGA

    Naha.OKINAWA

    ltoman,OK川AWA

    9 3 2 5

    0 9 ■・- 亡U

    l l l l

    1 6 0U 2 6 3 9 9

    4 8 3 4

    6

    7

    7

    7

    5

    6

    5

    6

    6

    6

    7

    6

    8

    6 3 6 9 9 6 6 6 6 7 5 6

    3 3 4 4 3 2 2 3 2 3 4 2 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ∧U O O O O O O O

    O O O O O O O O O O O O O

    ± ± ± ± ± ± ± ± ± ± ± ± ±

    0.035 ± 0.00

    0.044 ± 0.00

    0.054 ± 0.00

    0.056 ± 0.00

    0.025 ± 0.00

    0.03 ± 0.00

    0.018 ± 0.00

    0.045 ± 0.00

    0.033 ± 0.00

    0.022 ± 0.00

    0.029 ± 0.00

    0.026 ± 0.00

    0.04 ± 0.00

    6 2 1 6 3 6 1 8 8 1 7

    4 0U 1 2 3 4 7 5 9 3 9 4 7

    1 1 1 1 1 1 1 1 1 1 1 1 1

    7 6 7 6 4 0 2 3 4 6 0 0 1

    0 6 0 8 6 3 5 4 9 4 8 0 7

    6 4 5 3 3 6 4 6 5 6 1 7 5

    1

    0 0 0 0 0 0 0 0 0 0 0 0 0

    4 3 8 9 5 9 9 4 00 1 6 7 3

    8 1 5 4 ■血T 4 9 9 AT 6 8 4 3

    1 2 1 1 1 (ソー l 1 2 1 1 2 2

  • (2) Strontium-90and Cesium-137in Rice(producing districts)

    (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Table(2)-1:Strontium-90and Cesiun-137in Rice(producing districts)

    90Sr 137Cs Component Location

    (%) (g/kgYret)(g/kgwet) (Bq/kgwet) (Bq/gCa) (Bq/kgwet) (Bq/gK)

    Jul,1999 Sadohara-maChi.MIYAZAKI

    Aug,1999 Gifu.GIFU

    Shingu.WAKAYANA Sep,1999 Chiba.CHIBA

    …atsusaka.HIE

    0.808 0.0045 ± 0.0056 0.16 ± 0.2

    0.752 0.014 ± 0.0067 0.32 ± 0.15

    0.701 0.0029 ± 0.004 0.08 ± 0.11

    0.955 0 ± 0.0057 0 ± 0.17

    0.865 0.006 ± 0.006 0.15 ± 0.15

    0 ± 0.0033

    0 ± 0.0036

    0.0022 ± 0.0051

    0.0032 ± 0.0037

    0.0081± 0.0043

    0 ± 0.0041

    0 ± 0.0048

    0.0032 ± 0.0072

    0.0034 ± 0.0038

    0.0093 ± 0.0049

    0.603 0.029

    0.574 0.044

    0.452 0.036

    0.508 0.033

    0.709 0.039

    (9)

  • (10)

    (3)-1Strontium-90and Cesium-137in Milk(producing districts for domestic proguram)

    (form Apr.1999 to Sep.1999)

    -COntinued fron No.129 for this pub[ication-

    Table(3)-1:Strontium-90and Cesium-137in Nilk(producing districts for domestic proguram)

    Conponent

    Ash(%) Ca(g/kg) K(g/kg)

    90Sr 137Cs

    (Bq/g K)

    0.0099 ± 0.003

    0.041 ± 0.0061

    0.023 ± 0.0035

    0.0061 ± 0.0031

    0.024 ± 0.0057

    0.0055 ±0.0031

    0.006 ±0.0039

    0.025 ± 0.0053

    0.0073 ± 0.0028

    0 ± 0.0026

    0.013 ±0.0039

    0.0012 ±0.0023

    0.0018 ± 0.0025

    0 ± 0.0028

    0 ± 0.0029

    0.0092 ±0.0044

    0.0037 ±0.0031

    0.0026 ± 0.0037

    0.048 ±0.0065

    0.022 ± 0.005

    しocation

    (Bq/kgwet) (Bq/g Ca) (Bq/kgwet)

    Jul,1999 Yamato-maChi,SAGA

    Aug,1999 Aomori,AOMORt

    Takjzawa-rnura.FWATE

    Hito,柑ÅRAKl

    0,77

    0.74

    0.69

    0.73

    1.12 1,47

    1.11 1.58

    1.98 2.81

    1.1 1.56

    1.2 1.51

    1.72 2.23

    1.28 1.7

    1.04 1.54

    1.17 1.53

    1.02 1.37

    1.01 1.27

    1.09 1.54

    1.06 1.56

    1.12 1,48

    1.13 1.5

    1.06 1.49

    1.08 1.49

    1.08 1.54

    1.09 1.54

    1.08 1.6

    0.03 ± 0.0076

    0.064 ± 0.011

    0.018 ± 0.0084

    0.034 ± 0.0091

    0.038 ± 0.0083

    0.035 ± 0.0084

    0.025 ± 0.0078

    0.036 ± 0.0081

    0.014 ± 0.0059

    0.029 ± 0.0072

    0.027 ± 0.0071

    0.017 ± 0.0071

    0.018 ± 0.0077

    0.027 ± 0.0072

    0.026 ± 0.0075

    0.011 ± 0.0074

    0.027 ± 0.0073

    0.016 ± 0.0079

    0.023 ± 0.009

    0.019 ± 0.0088

    0.027 ± 0.0068

    0.058 ± 0.01

    0.0093 ± 0.0042

    0.031 ± 0.0082

    0.032 ± 0.0069

    0.02 ± 0.0049

    0.019 ± 0.006

    0.034 ± 0.0078

    0.012 ± 0.0051

    0.028 ± 0.0071

    0.027 ± 0.007

    0.016 ± 0.0065

    0.017 ± 0.0072

    0.024 ± 0.0064

    0.023 ± 0.0066

    0.011 ± 0.0069

    0.025 ± 0.0067

    0.015 ± 0.0073

    0.021 ± 0.0082

    0.018 ± 0.0082

    0.015 ± 0.0044

    0.065 ±0.0096

    0.064 ± 0.0099

    0.0096 ±0.0049

    0.037 ± 0.0087

    0.012 ± 0.0069

    0.01 ± 0.0066

    0,038 ± 0.0082

    0.011 ±0.0044

    0 ± 0.0035

    0.016 ± 0.005

    0.0018 ± 0.0035

    0.0028 ± 0.0039

    0 ± 0.0041

    0 ± 0.0043

    0.014 ± 0.0066

    0.0055 ± 0.0046

    0.004 ± 0.0058

    0.074 ± 0.01

    0,035 ± 0.008

    Nishinasuno-maChi,T∝HIG1 0.78

    Fujini-mura,GU

    Yachimata,CHIBA

    Tonami,TOYAMA

    Oshimizu-maChi,lSHIKAWA

    T8kaneLrnaChi,YANANASHI

    Kasanatsu-maChi,GIFU

    Ouchiyama-mura,MIE

    Hjno-maChi,SH柑A

    Mihara-rnaChi,HYOGO

    Ouda-maChi,NARA

    Takase-maChi,KAGAWÅ

    kawauchi-maChi,EHIME

    Koshi-maChi.KUNANOTO

    Kuju-maChi,01TA

    Takahara-naChi,MIYAZAKl

    0.69

    0.73

    0.69

    0.76

    0.65

    0.65

    0.72

    0.7

    0.69

    0.73

    0.69

    0.69

    0.7

    0.71

    0.72

  • (3)一2 Strontium-90and Cesiun-137in Ni霊k(producing districts for WHO proguram)

    (form Apr.1999 to Sep.1999)

    一COntinued from No.129 for this pub]ication-

    Table(3)-2:Strontium-90and Cesium-137in Nilk(producing districts for WHO proguram)

    90Sr

    (Bq/kgwet) (Bq/g Ca)

    137Cs Component

    Ash(%) Ca(g/kg)

    Location

    (Bq/kgwet) (Bq/g K) K(g/kg)

    Hay,1999

    Hokudainojo,HOKKAIDO

    Iwamuro-mura,NllGATA

    Katsuyama,FUKU[

    Shijonawate,OSAKA

    Natsue,SHINANE

    0.75 1.28

    0.75 1.15

    0.73 1.07

    0.72 1.15

    0.74 1.18

    1.68 0.04 ± 0.0086

    1.63 0,029 ± 0.0078

    1.56 0.01 ± 0.006

    1.37 0.024 ± 0.0071

    1.48 0.0084 ± 0.0052

    1.48 0.023 ± 0.0058

    1.58 0.037 ± 0.0081

    1.51 0.016 ± 0.0075

    1.57 0.022 ± 0.0067

    1.67 0.051 ± 0.0083

    1.32 0.035 ± 0.0081

    1.47 0.012 ± 0.0071

    1.61 0.017 ± 0.0054

    1.42 0.026 ± 0.0066

    1.52 0.016 ± 0.0067

    1.5 0.013 ± 0.0056

    1.6 0.024 ± 0.0081

    1.44 0.03 ± 0.0086

    1.56 0.014 ± 0.0061

    0.031 ± 0.0067

    0.025 ± 0.0067

    0.0097 ± 0.0056

    0.021 ± 0.0062

    0.0071± 0.0044

    0.022 ± 0.0055

    0.031 ± 0.0068

    0.015 ± 0.0067

    0.019 ± 0.006

    0.044 ± 0.0073

    0.035 ± 0.0081

    0.011 ± 0.0066

    0.016 ± 0.0049

    0.022 ± 0.0055

    0.014 ± 0.0059

    0.012 ± 0.0052

    0.022 ± 0.0072

    0.027 ± 0.0078

    0.013 ± 0.0053

    0.048 ±0.0069

    0.011 ±0.0044

    0.012 ±0.0044

    0.0067 ±0.004

    0.0029 ±0.0036

    0.0035 ±0.0038

    0.0099 ±0.0043

    0.003 ±0.0043

    0.015 ±0.0047

    0.039 ±0.0062

    0.0008 ±0.0063

    0.0061 ±0.0044

    0.0074 ±0.0043

    0.01 ±0.0048

    0.0017 ±0.0045

    0.017 ±0.0048

    0.012 ±0.0059

    0.0067 ±0.0045

    0.011 ±0.0043

    0.029 ±0.0041

    0.0065 ±0.0027

    0.0075 ±0.0028

    0.0049 ±0.0029

    0.002 ±0.0025

    0.0024 ±0.0026

    0.0063 ±0.0027

    0.002 ±0.0028

    0.0099 ±0.003

    0,023 ±0.0037

    0.0006 ±0.0048

    0.0042 ±0.003

    0.0046 ±0.0027

    0.0072 ± 0.0034

    0.0011 ± 0.003

    0.012 ± 0.0032

    0.0072 ± 0.0037

    0.0047 ± 0.0031

    0.0074 ±0.0027

    Chiyoda-maChi,HIROg11MA O.69 1.04 Kochi,KOCm

    Yasu-maChi,FUKUOKA

    Kajikトmachi,KAGOSH川仙

    人ug,1999

    Hokudainojo.HOKKALDO

    Hachijo-maChi,TOKYO

    Ivramuro-mura,N‖GATA

    Katsuyama,FUKUI

    Shijonawate.OSAKA

    Hatsue,SHIHANE

    Chiyoda-maChi,HIROgllMA

    Kochi,KOC‖

    Yasu-maChi.FuKUOKA

    Kajjki-maChi.KAGOSHINA

    0.74 1.19

    0.72 1.12

    0.74 1.13

    0.72 1.15

    0.7 1

    0.72 1.07

    0.73 1.1

    0.74 1.2

    0.73 1.13

    0.7 1.07

    0.74 1.12

    0.7 1.11

    0.74 1.14

    ・lli

  • (12)

    (3)-3 Strontiunl-90and Cesium-137in N‖k(consuming districts)

    (forrn Apr.1999 to Sep.1999)

    -COntinued from No,

    TabIe(3)-3:Strontium-90and Cesium-137in Mi[k(consuming districts)

    90Sr

    (Bq/kgwet) (Bq/g Ca)

    137Cs Component

    Åsh(%) Ca(g/kg)

    Locat.ion

    (Bq/kgwet) (Bq/g K) K(g/kg)

    Jun.1999

    Rifu-maChi,NJYAG.L

    Fukushima,FUKUSHLNA

    Kyoto,KYOTO Aug,1999

    Sapporo.HOKKAIDO

    Akita.AKけA

    Yamagata,YAHAGATA

    Urawa,SAIT人目A

    Shinjuku,TOKYO

    Yokohama,KANAGAW人

    目iigata,N】柑ATA

    Fukui,FUKU[

    Shizuoka.SH[ZUOKA

    Nagoya,AICm

    Osaka,OSAKA

    Shingu,WAKAYANA

    Yonago,TOTTORI

    Matsue.SH皿仙E

    Okayama,OKAYANA

    Hiroshima.HIROS日用A

    Yamaguchi,YANAGUCHI

    ±0.0035

    ±0.0031

    ±0.0037

    ±0.0061

    ± 0.0045

    ± 0.0047

    ±0.005

    ± 0.0046

    ± 0.0046

    ±0.0037

    ±0.0031

    ±0.0051

    ±0.0026

    ± 0.0032

    ±0.0035

    ±0.0034

    ± 0.0026

    ± 0.0032

    ± 0.0035

    ±0.0041

    1.55 0.026

    1.59 0.012

    1.41 0.027

    1.42 0.045

    1.48 0.042

    1.47 0.034

    l.46 0.043

    1.63 0.023

    1.55 0.027

    1.58 0.03

    1.6 0.026

    1.45 0.023

    1.56 0.026

    1.53 0.O18

    1.45 0.018

    1.46 0.038

    1.51 0.024

    1,48 0.032

    1.41 0.027

    1.43 0.029

    ± 0.0068 0.023

    ± 0.0063 0.01

    ± 0.0078 0.025

    ± 0.01 0.04

    ± 0.01 0.036

    ± 0.0079 0.032

    ± 0.0089 0.039

    ± 0.0071 0.02

    ± 0.0073 0.024

    ± 0.008 0.027

    ± 0.0062 0.023

    ± 0,0077 0.022

    ± 0.0076 0.024

    ± 0.006 0.017

    ± 0.0065 0.017

    ± 0.0083 0.035

    ± 0.0069 0.021

    ± 0.0075 0.03

    ± 0.007 0.026

    ± 0.0088 0.027

    ± 0.0061

    ± 0.0054

    ± 0.0072

    ± 0.0089

    ± 0.0084

    ± 0.0073

    ± 0.008

    ± 0.0061

    ± 0.0066

    ± 0.0072

    ± 0.0056

    ± 0.0073

    ± 0.0068

    ± 0.0056

    ± 0.0062

    ± 0.0078

    ± 0.0062

    ± 0.007

    ± 0.0068

    ± 0.0082

    0.022 ± 0.0054 0.014

    0.017 ± 0.0049 0.011

    0.019 ±0.0052 0.014

    0.047 ± 0.0087 0.033

    0.016 ± 0.0066 0.011

    0.0098 ± 0.0069 0.0067

    0.021 ±0.0073 0.015

    0.024 ± 0.0074 0.015

    0.038 ±0.007 0.025

    0.032 ±0.0059 0.02

    0.019 ±0.005 0.012

    0.035 ±0.0074 0.024

    0.005 ±0.004 0.0032

    0.012 ±0.0048 0.0076

    0.0057 ±0.005 0.0039

    0.0085 ±0.0049 0.0058

    0.0015 ±0.004 0.001

    0.0097 ±0.0047 0,0065

    0.014 ±0.0049 0.01

    0.0086 ±0.0059 0.006

    5 4 2

    7 7 7

    0 0 0

    1.12

    1.15

    l.08

    l.14

    1.19

    1 7 7 7

    0ゝ0 0.7 1.08

    0.72 1..11

    0.68 1.17

    0.72 l.1

    0.74 1.1

    0.71 1.12

    0.7 1.07

    0.73 1.11

    0.72 1.07

    0.68 1.04

    0.7 1.07

    0.73 1.1

    0.69 1.07

    0.67 1.03

    0.68 1.08

  • Conponent

    Ash(%) Ca(g/kg) K(g/kg)

    137Cs

    (Bq/kgwet) (Bq/g K)

    0.011 ±0.0049 0.0074 ±0.0034

    0.0043 ±0.0039 0.0028 ±0.0026

    0.018 ±0.0068 0.012 ±0.0044

    Location

    (8q/kgwet) (Bq/g Ca)

    kawauchi-maChi,EH川E

    Kochi.KOCHI

    Chikushino,FUKUOKA

    Nagasaki.NAGASAK】

    Kagoshima,KAGOSH川A

    Sep,1999

    Rifu-maChi,MIYAGI

    Yonagusuku-m眉Chi,αくtNAYA

    0.68 1.05

    0.71 1.1

    0.71 1.08

    0.67 1.04

    0.73 1.12

    0.73 1.08

    0.72 1.12

    1.46 0.024 ± 0.0069

    1.52 0.017 ± 0.0052

    1.54 0.018 ± 0.0081

    1.44 0.029 ± 0.009

    1.58 0.03 ± 0.0085

    1.54 0.013 ± 0.0056

    1.56 0.035 ± 0.0094

    0.022 ± 0.0066

    0.015 ± 0.0047

    0.017 ± 0.0075

    0.028 ± 0.0087

    0.026 ± 0.0076

    0.012 ± 0.0051

    0.031 ± 0.0084

    0.011 ±0.0064

    0.021 ±0.0057

    0.01了 ±0.0049

    0.0075 ±0.0063

    0.0074 ±0.0045

    0.013 ±0.0036

    0.011 ±0.0032

    0.0048 ±0.004

    (13)

  • (14)

    (3)-4 Strontium-90and Cesium-137in Nilk(powdered m‖k)

    (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Tab(e(3)-4:Strontium-90and Cesium-137in Nilk(powdered mi[k)

    90Sr

    (Bq/kg) (Bq/g Ca)

    137Cs Conponent

    (%) (g/kg) (g/kg)

    Location

    (Bq/Kg) (Bq/g K)

    Jun,1999 Sample C,サンプルC

    Sample A,サンプルA

    Sample B,サンプルB

    Sarnple D,サンプルD

    SampIe F,サンプルF

    Samp蔓e E,サンプルE

    7.79 12.2 18 0.56 ± 0.035 0.046

    7.85 12.5 17.6 0.34 ± 0.028 0.028

    2.51 3.46 6.22 0.044 ± 0.0096 0.013

    2.44 3.59 5.81 0,01 ± 0.0066 0.0029

    2.5 3.58 5.6 0.033 ± 0.0095 0.0092

    2.47 4.08 5.56 0.077 ± 0.0110.019

    ± 0.0028

    ± 0.0022

    ± 0.0028

    ± 0.0018

    ± 0.0027

    ± 0.0027

    2 ± 0.05

    0.27 ± 0.019

    0.068 ± 0.008

    0.02 ± 0.0051

    0.15 ± 0.011

    0.09 ± 0.009

    0.11 ± 0.003

    0、015 ± 0.0011

    0.011 ± 0.0013

    0.0034 ± 0.00088

    0.027 ± 0.002

    0.016 ± 0.0016

  • (4)-1Strontium-90and Cesium-137in Vegetables(producing districts) (form Apr.1999 to Sep.1999)

    一COntinued from No.129 for this pubJication-

    TabJe(4)-1:Strontium-90and Ce$ium-137in Vegetables(producing districts)

    90Sr

    (Bq/kgwet) (Bq/gCa)

    Component

    A$h(%) (g/kg) (g/kg)

    137Cs Location

    (Bq/kgwet) (Bq/kgK)

    Hay,1999 Tahara-maChi.AICHI

    Tahara-m8Chi,AICHI

    Koshトmachi.KUNAHOTO

    Jun,1999 Koshトmachi,KUMAl10TO

    Jul.1999 日utsu,ÅOHORI

    Kumatori-maChi,OSAKA

    Ota,SH]NANE

    Ota,SH皿川E

    Aug,1999 Eniw孔HOKK人相O

    Eniwa,HOKKAIDO

    0.036 ± 0.0(は7 0.24 ± 0.059 0.015 ± 0.0062 0.611

    1.48

    1,49

    0.658

    0.806

    0.395

    0.65

    1.36

    0.576

    1.7

    0.川7 2.54 0.0057 ± 0.0024

    0.0046 ± 0.0014

    0.0017 ± 0.00097

    0.0013 ± 0.0021

    0.022 ± 0.0029

    0.017 ± 0.0047

    0.0093 ± 0.0027

    0.092 ± 0.0055

    0.0063 ± 0.0022

    0.0016 ± 0.00086

    0.86 4.92 0.072 ± 0.011 0.084 ± 0.013 0.023 ± 0.007

    0.17 ± 0.016 0.29

    0.085 ± 0.012 0.43

    0.0015 ± 0.006 0.05

    0.039 ± 0.0092 0.25

    0.63 ± 0.028 2.7

    2.1 ± 0.05 0.93

    0.11 ± 0.013 0.7

    0.569 6.03

    0.195 2.53

    0.029 3.5

    0.158 1.47

    0.229 2.4

    2.24 2.9

    0.164 2.56

    ± 0.028 0.01 ± 0.0059

    ± 0.06 0.0033 ± 0.0054

    ± 0.21 0.076 ± 0.01

    ± 0.058 0.025 ± 0.0069

    ± 0.12 0.022 ± 0.0065

    ± 0.023 0.27 ± 0.016

    ± 0.08 0.016 ± 0.0057

    ± 0.032 0.013 ± 0.0066 0.531 7.67 0,19 ± 0.017 0.35

    (15)

  • (16)

    (4)-2 Strontium-90and Cesiun-137in Vegetables(consuming districts) (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Strontium-90and Cesium-137in Vegetables(consuming districts) Table(4)-2

    Location 90Sr

    (Bq/kgwet)

    0.086 ± 0.012 0.12

    0.028 ± 0.0087 0.09

    0.06 ± 0.011 0.25

    0.2 ±、0.018 1.1

    O ± 0.0058 0

    0.11 ± 0.014 0.31

    0.12 ± 0.015 0.33

    Component

    Ash(%) (g/kg) (g/kg) (Bq/gCa) (Bq/kgK) (Bq/kgwet)

    Jun,1999 Rifu-maChi,NIYAGI

    Niigata.Nllt;ATA

    Sep,1999 Rifu-rnaChi,MIYAGI

    Urawa.SAITANA

    Kanazawa,lSmKAWÅ

    Uraw礼SAIT州Å

    Kanazawa,1SHIKAWA

    0 ± 0.00097

    0.0007 ± 0.0011

    0.025 ± 0.0035

    0.016 ± 0.0027

    0 ±・0.0023

    0.00087± 0.0006

    0.0035 ± 0.00086

    0 ± 0.0053

    0.0028 ± 0.004

    0.053 ± 0.0074

    0.041 ± 0.0069

    0 ± 0.0056

    0.0069 ± 0.0047

    0.025 ± 0.006

    ± 0.018

    ± 0.028

    1.93 0・鱒9 5. 46

    1・2 0・307 3・68

    0.55 0.238 2.15

    .593 0.18 2.57

    0.597 0.242 2.48

    1.74 0.364 7.88

    1.7 0.375 6.98

    0.046 ± ± ± ± ±

    l

    α

    0.024 4

    0

    (u 0.041

  • (5) Strontium-90and Cesium-137in Tea(Japanese Tea) (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Table(5): Strontium-90and Cesium-137in Tea(Japanese Tea)

    90Sr

    (Bq/kg) (Bq/g Ca) (Bq/kg)

    Component

    (%) (g/kg) (g/kg)

    Location

    (Bq/g K)

    Apr,1999 Kawaminami-mabhi,MけAZAK1 5.15

    MiyakonoJo,州IYAZAK1 5.86

    May.1999 1keda-maChi,GLFU 4.97

    Shirakawa-maChi.GIFU 4.93

    lwata,SHIZUOKA l.3

    Shuzenjトmachi,gl]ZLXXA l.36

    Kameyama,Hほ 5.31

    0daトmachi,HIE 5.1

    Kaya-maChi,KYOTO 4.93

    Nara.NARA 5.2

    Nara,NARA 5.18

    0.17 ± 0.037 0.092 ± 0.02 1.3 ± 0.07

    0.18 ± 0.038 0.062 ± 0.013 1.1 ± 0,07

    9

    5 4

    0 0

    0 0

    3 5

    3 2

    0 0

    0 0

    0 0

    1.91 21.4

    2.87 28.4

    3.3 21.6

    2.4 20.8

    0.65 5.7

    0.855 4.98

    2.91 23.1

    1.97 19.7

    2.37 18.1

    2.89 23.9

    2.88 23.2

    0.89 ± 0.067 0.27

    0.23 ± 0.04 0.098

    0.063 ± 0.01 0.097

    0.83 ± 0.033 0.97

    1 ± 0.07 0.36

    0.085 ± 0.027 0.043

    0.27 ± 0.039 0.11

    0.49 ± 0.056 0.17

    0.37 ± 0.049 0.13

    1,1 ± 0.09 0.45

    0.24 ± 0.039 0.093

    0.47 ± 0.051 0.16

    0,4了 ± 0.052 0.16

    0.38 ± 0.047 0.14

    0.8 ± 0.069 0.29

    0.33 ± 0.047 0.13

    0.35 ± 0.05 0.14

    3 5 1 7 5 6 1 4 9 6

    1 1 1 2 1 1 2 1 2 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0

    ± ± ± ± ± ± ± ± ± ± ± ±

    8 6

    6 7 1

    5 8 2 6 1 1 5 6 6 1 2 7 0 0 0 3 1 ■- 2 0 1 4 0 0

    0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0

    2

    8 2 丘U 3 4 1 9 3 5 8 3 1

    2 3 0 1 3 3 3 3 4 5 2 3

    0 0 0 0 0 0 0 0 0 0 0 0

    0 0 0 0 0 0 0 0 0 0 0 0

    ± ± ± ± ± ± ± ± ± ± ± ±

    2

    0

    ∩肌

    0.12

    0.017 0.18

    0.016 0.012

    0.038 0.18

    0.025 0.25

    0.013 0.21

    0.017 0.45

    0.14 2

    0

    ∩“ 0.017 0.38

    0.033 0.82

    0.015 0.062

    0.01了 0.15

    Nachikatsuura-maChi,WAKAYAMA5.32 2.54 20.1

    2.57 22.1

    2.97 19.5

    Nifune-maChi.KUNA”OTO 4.8

    Ue-mura,KUHAHOTO 4.86

    Jun,1999 Tokorozawa,SAlTAHA 5.24

    truma,SÅlTAHA 5.22

    Uji,KYOTO 5.15

    Chiran-naChi,KAGOSHINA 5.28

    Niyanojo-maChi,KAGOSM 5.4

    0.018 0.42 ± 0.043

    0.017 0.38 ± 0.041

    0.025 0.025 ± 0.016

    0.019 1.2 ± 0.07

    0.021 0.45 ± 0.045

    0.019 ± 0.002

    0.017 ± 0.0018

    0.0013 ± 0.00087

    0,059 ± 0.0034

    0.02 ± 0.002

    9 7 8 3 6

    1 2 00 0 2 2 2 1 2 2

    2.95

    2.7

    2.79

    2.42

    2.42

    t17l

  • (18)

    (6) Strontium-90and Cesiun-137in Sea Fish (forn Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Table(6)

    Location

    :Strontium-90and Cesium-137in Sea Fish

    Component

    (%) (g/kgYret)(g/kgYret) (Bq/kgYret) (Bq/gCa) (Bq/kgYret) (Bq/gK)

    (Amodytes personatus)

    Apr,1999

    日arimanada.HYOGO

    (KatsuYrOnuS Pelamis)

    Jun.1999

    Tosa.KOCm

    (Limanda herzensteini)

    Jun.1999

    Rifu-maChi,NIYAGl

    (Nugilcephalus)

    3.89 0 ±0.0038 0 ±0.0013 0.095 ±0.0097 0.024 ±0.0025 2.27 2.84

    1.3 0.059 4.25 0.0082 ±0.0053 0.14 ±0.091 0.24 ±0.014 0.057 ±0.0033

    3.49 0.031 ±0.0076 0.0044 ±0.0011 0.044 ±0.0069 0.013 ±0.002 3.06 7.05

    Aug,1999

    日orodomトmachi,SAGA 3.28 0 ±0.0066 0 ±0.021 0.067 ±0.0083 0.02 ±0.0025 1.13 0.313

    (Oncorhynchus keta)

    Sep,1999

    3.64 0.013 ±0.006 0.026 ±0.012 0.086 ±0.0091 0.024 ±0.0025 Urakawa-maChi,HOKKA川0 1.26 0.507

    (Pagrus sp)

    Hay,1999

    Kumanonada,HIE

    Juし1999

    Fukuoka,FUKUOKA

    4.94 0.006 ±0.0054 0.023 ±0.021 0.21 ±0.013 0.042 ±0.0026

    4.6 0,00柑 ±0.0054 0.005 ±0.014 0.15 ±0.011 0.033 ±0.0025

    1.46 0.26

    1.33 0.392

  • 90Sr

    (Bq/k卵et) (Bq/gCa)

    Component

    (g/k卯et)(g/kgwet)

    Location

    (Bq/kgwet) (Bq/gK)

    Aug,柑99

    0g礼AKITA 0.0018 ±0.0054 0.001 ±0.0031 0.081 ±0.0087 0.026 ±0.0028 1.76 3.16 1.39

    (Sardinops me[anostictus)

    Sep,1999

    Yamagata,YAHAGATA 2.63 0.022 ±0.0076 0.0042 ±0.0015 0.044 ±0,007 0.016 ±0.0026 5.24 2.64

    (Scomber j甲Onicus)

    Aug,1999

    1yonada,EHIME

    (SebastiscusT!苧「mOratUS)

    Hay,柑99

    日amad孔SH川州E

    0 ±0.005 0 ±0,0057 0.1 ±0.01 0.028 ±0.0026 1.32 0.877 3.69

    0.03 ±0.0076 0.0015 ±0.00039 0.13 ±0.012 0,042 ±0.0036 19.6 3.2 6.29

    (Sillago叩)

    Jun,1999

    Ninamichit8-maChi,AICHI 3.68 0.0057 ±0.0062 0.0005 ±0.00064 0.09 ±0.0097 0.027 ±0.0029 9.76 3.31

    (19)

  • (20)

    Soa Fish

    S¢i即価cり争me

    Ammod血S b8rSOnatUS

    &情柑○弧

    Onr:OrhvndlUS keb

    PaM

    English name

    GrayrTlu‖et

    JapanesesandIance

    Sco叩ion一月sh

    SkiRjacktuna

    Whiting

    Brown s0le

    Japanese pilchard

    Pacific mackerel

    ChumSah¶On

    Sea bream

    Japanesename

    Bora

    lkanago

    Kasago

    Katsuo

    Kisu

    Magarei

    Maiwashi

    Masaba

    Sake

    Tai

  • (了) Strontium-90and Cesiun-137in Freshwater Fish

    (form Apr.1999 to Sep.1999)

    TCOntinued fron No.129 for this publication-

    Table(丁) Strontium-90and Cesium-137in Freshwater Fish

    90Sr 137C$

    (Bq/kgwet) (Bq/gK)

    Component Location

    (%) (g/kgwet)(g/kgwet) (Bq/kgwet) (Bq/gCa)

    (Carassjus auratus)

    Jul,1999 Barato-lake,HOKKAIDO

    (Cyprinus carpio)

    0.051 ± 0.0072 0.019 ± 0.0027 4.72 13.8 2.71 0.63 ± 0.027 0.046 ± 0.002

    Hay,1999 Kasumigaura-lake.1BARAKI

    Aug,1999 Akita,AKITA

    (Salvelinusleucomaeni

    0.27 ± 0.015 0.072 ± 0.004

    0.17 ± 0.012 0.06 ± 0.0044

    1.11 0.209 3.69 0.012 ± 0.0059 0.058 ± 0.028

    3.07 8.48 2.76 1.6 ± 0.04 0.19 ± 0.005

    Sep,1999 Fukushima.FUKUSHINA 0.17 ± 0.012 0.044 ± 0.0032 1.29 0.583 3.81 0.0036 ± 0.00610.006 ± 0.011

    (21)

  • (22)

    Freshwater Fish

    Japanase name

    Funa

    Iwさnさ

    Koi

    English聖m9

    Crucianca叩

    Ca叩

  • (8) Strontium-90and Cesiurn-137in She暮[fish (forrn Apr.1999 to Sep.1999)

    -COntinued from No.129 for this pubLication-

    Strontiun-90and Cesium-137in Shellfjsh

    Component

    (%) (g/kgwet)(g/k印et)

    Table(8)

    Lo¢ation 137Cs 90Sr

    (Bq/kgwet) (Bq/gCa) (Bq/k即et) (8q/gK)

    (Hytilu$ed山is)

    Jun,1999

    Hut$u,AOHO剛

    (RuditapesphilJipinarum)

    Hay,1999

    Konagai-maChi,NAGASAKI

    Jun,1999

    Ninamichita-maChi,A旧11

    (Turbo?OrnutuS)

    Hay,1999

    Ryot$軋NllGA一人

    “onzen・¶aChi,lSmK用人

    Jul,1999

    Sakata.YAHAGATA

    0 ±0.0053 0 ±0.0086 0.014 ±0.0049 0.0085 ±0.0029 2.54 0.609 1.7

    0.0041 ±0.005 0.0051±0.0063 0.0川 ±0.005 0.008 ±0.0028 2.07 0.792 1.77

    0.002 ±0.015 0.002 ±0.021 0.034 ±0.014 0.0092 ±0.0037 1.99 0.717 3.73

    0.006 ±0.0089 0.008 ±0.012 0.02 ±0.0084 0.0093 ±0.0038

    0.013 ±0.0072 0.0049 ±0.0027 0.028 ±0.0063 0.0095 ±0.0021

    2.53 0.731 2,19

    3.54 2.7 2.98

    0.013 ±0.0067 0.011 ±0.0057 0.026 ±0.0061 0.0096 ±0.0022 2.58 1.18 2.72

    (23)

  • (Z4)

    Shell罰sh

    English name

    Japanesel眈Ieneck

    CommonbluomusseI

    Hornedturban

    Japanese name

    Asari

    Murasakii甲i

    Saza8

  • (9) Strontium-90and Cesium-137in Seaweeds (form Apr.1999 to Sep.1999)

    -COntinued from No.129 for this publication-

    Table(9) :Strontium-90and Cesiunl-137in SeaYreeds

    137Cs Component

    (%) (g/kgwet)(g/kgwet)

    Location

    (Bq/gK) (Bq/k即帽t) (Bq/gCa) (Bq/kgwet)

    (Undaria pinnatifida)

    Åp「,1999

    日onzen-maChi,lSmKAWA 4.09 日ay,1999

    Fukaura-maChi,AONOR1 2.17

    0.013 ± 0.0062 0.014

    0.0054 ± 0.0073 0.007

    0.016 ± 0.0082 0.02

    0.076 ± 0.052 0.033

    0.031 ± 0.0085 0.026

    0.002 ± 0.00076

    0.0021± 0.0012

    0.0046 ± 0.0012

    0.006 ± 0.0022

    0.0049 ± 0.0013

    0.013 ± 0.0052

    0.011 ± 0.0064

    0.032 ± 0,008

    0.12 ± 0.045

    0.02 ± 0.0054

    ± 0.007

    ± 0.01

    ± 0.01

    ± 0.022

    ± 0.0073

    0.883 6.75

    0.723 5.37

    0.786 6.92

    2.34 20.7

    1.16 4.13

    Mutsu,AOHORI

    Ryotsu,NIIGATA Jun,1999 Sakata,Y用人GATA

    (25)

  • (26)

    Soaw80d$

    Scientific name Japanosena町9

    Wakame

    Engtishnき叩O

    WakさmOSeaWOed

  • **SamplingLecationsinJapan**

    28:Kobe

    29:Nara

    30:W沌ayama 31:Tbttori

    32:Matsue

    33:Okayama

    34:Hkoshma

    35:Yama飢Ielli

    36:rmkusI血a

    37:1もkamatsu

    38:Matsuyama

    39:Ⅹoehi

    40:Fukuoka

    41:S∈唱a

    42:Nagasab

    43:Kumamob

    44:Oita

    45:Mけa払出

    46:Ⅹagoshima

    47:Naha

    1:Sapporo

    2:Aomod

    3:Morioka

    4:Sendai

    5:Akta

    6:「血magata

    7:Fuku血ima

    8:Mito

    9:Utsunomiya

    lO:Maebasbi

    ll:Urawa

    12:Cbiba

    13:Slli両uku

    14 こ1払kohama

    15:Niigata

    16:Tbyama

    17:Kanazawa

    18:Fukui

    19:Ko且1

    20:Nagano

    21:G血

    22:ShiヱuOka

    23:Nagoya

    24:Tsu

    25:Otsu

    26:Kyoto

    27:Osaka

    (27)

    Cover PageContentsResults(1) Total diet(2) Rice (producing districts)(3)-1 Milk (producing districts for domestic program)(3)-2 Milk (producing for WHO program)(3)-3 Milk (consuming districts)(3)-4 Milk (powdered milk)(4)-1 Vegetables(producing districts) (4)-2 Vegetables(consuming districts) (5) Tea(6) Sea fish(7) Freshwater fish(8) Shellfish(9) Seaweeds

    Sampling Locations