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TRANSCRIPT
RADIOAC甘
SIJRVEY
in
RadioactivitySurveyData
inJapan
Dec.1978 Ⅳumber47
Contents
ENV]RONMENTAL DATA
川 ExternaJExposureduetoNaturalRadiation(Kanto)…･･
｢〃∂打0〃∂//〃∫r血舶Of斤∂d/0/og/c∂/Sc/e〃Ce∫ノ
(2)90srand137csinRainandLryFa"out
〃叩∂〃C/Tem/c∂/月〃∂小∫血Ce〃拍rノ
(3)90srand137csinAir･BorneDust
〃叩∂〃Cわem/c∂/月〃∂中頭CeJ佃〃
(4)90srand137csinService帖ater
〃叩∂〃C加m/c∂/月り∂レ∫血Ce〃招り
DIETARY DATA
川 90srand137csinTotalDiet
〃叩∂〃C毎m/c∂/月〃∂ル∫血C帥re/リ
(2)90srand137csinMilk(Production)
90srand137csinMi]k(Comsumption)
伍p∂〃Cわem/c∂/月〃∂小雨C如紬〃
(3)90srand137csinPowderedMilk
〃叩∂〃Cわem/c∂/月〃∂レ∫血Ce〃rerノ
ADDENDA
川 90srand137csinFreshWater
伊dde〃dumro T盲即eほ/〃斤∂d/0∂Cr/〟ry∫urレerβ∂拍
血J叩∂〃′〃0.4射
(2)90srand137csinFreshWaterFish
｢月dde〃仁山mわ乃即e76/〃斤∂d/0∂Crルノry∫〟rレeyβ∂ね
ENVIRONMENTAL DATA
(1)ExternalExposureduetoNaturalRadiation(Kanto)
仰如加∂//那廿拍reβ川∂d血/印加/敦由〃Ce∫ノ
A field survey of exposure rates due to natura】
radiation has been conducted throughout the Kanto
districtofJapanduringOct..Nov..Dec.(1976).Feb･.
Mar.(1977),Dec.(1969).andAug..Sep.(1973I･The situation of the Kanto districtinJapanis
Shownin Figurel.Distrit)utionofobservedlocations
inthedistrictisindicatedinFigure2.]neachlocation.
measurementsofexposuresa†:Onethirtytwosites.one
of where contained5stationsatleast,Weremade.A
totalof211sitesweremeasured.
ObservationsweremadeuslngaSPhericalion巌zation
chamber and severaIscinti[lation surveymeters∴The
SPhericaJplasticionization chamber of whichinner
diameter and wa"thickness are200mm and3mm
(acrylate)respective]yhasadequatesensitivityforfield
survey･The chamber was used as a standard of
apparatus,butisdifficu]tto usetheapparatusinaIl
locations.sothatasurveymeterwitha Nal(TI)1"¢x
l'lscinti"atorwasusedforregu]armeasurements.Two
tYPeSOfsurveymeters.theonewith a2'l¢x2''NaJ
(Tl)scinti"atorandtheotherwitha3′′4)X3∫′Na
SCinti11ator.were used as auxi)iary devices.Both the
Chamberandthesurveymetel
their readings were compare
Shipbetweenthem.
Practica"y the direct rea
were reducedinto the cor
Plastic chamber through tr
F)rOPOrtion.Systematicerror
reading error(radom)oft=
within±6%(maximumovera(standarderrorfor6FIR/hr)r
Of the surveymeterisabDut
恥R/h什Measurementsinopenbal
meter above the ground a
exposurerates(FIR/hr)wereasterrestriaJradiation,aSitn
contribution offa"out duet
Sma‖.
Gamma･rayeXPOSureratel
in each(ocation are shownil
exposure dueto naturaJrad
Ofthe Kanto districtissho
TabJel:Gamma-rayExF)OSureRatesduetoNatura]Radiationsin
eachLocationoftheKantoE)istrict-Oct..Nov..Dec.,(1Feb..Mar.,(1977).Dec.,(1969).andAug..Sep..=973)
hyS.Abe.K.Fujitaka.K.FujimotD,K.Arai.T.1do,
M.IshidaandS.Tamoyama
｢〃∂r/0〃∂//〃∫r/山由ロr舶㌦0/og正∂/J証/e〃Ceざノ
Prefecture
Tochigi
Gunma
Location･ Ex芯岩ate蔓憲11Ryugasaki
12 Shimodate
13 Yuki
14 Shimotsuma
15Koga
16 Mitsukaido
17Iwai
18 Toride
19 Kashima
20 Shiobara
210tawara
22 Yaita
23 Kitsuregawa
24Imaichi,Nikko
25 Mooka
26 Utsunomiya
27 Kanuma
280yama
29Toch痺
30 Sano
31Ashikaga
32 Katashina
33 Numata
34 Shibukawa
35Naganohara
36Tatebayashi
37 0ta
38Kiryu
39Isesaki
40 Maebashi
41Fujioka
8凸7
7
0
0
1
1
l
l
l
l
凸7
7
8
′0
8
800
1
7
▲9
1
4
1
∩7
l
l
(古
2
7
1
5
5
nフ一b
7
800
5-J
′0
00
8
′b
OO
8
′0
4
0ノ
5
5
8
3
q′
7
ムU
8
5
8
5
5
Jb
O
OO
凸7
て)
′b
5
0
5
1
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1
3
1
1
1
l
l
l
l
l
l
l
l
l
1
2
1
Prefecture
Chiba
Location*
51Hasuda,Iwatsuki
52 Konosu,KitamOtO
53Ageo,Okegawa
54 Higashimatsuyama
55 Chichibu
56Koshigaya
57 Misato,Yashio
58Soka,Hatogaya
59Kawaguchi
600miya,Yono
61Urawa
62Toda,Wara-bi
63Kawagce
64Shiki,Kamifukuoka
Fujimi
65 Wako,Asaka
66 Niiza
67 Tokorozawa
68Sayama,Iruma
69 Hanno
70 Choshj
71Asahi
72 Sawara
73 Yokaichiba
74 Narita
75 Sakura
76 Yachiyo
77 Kashiwa
78 Noda
79 Matsudo
ExposureRate
抽R丑r)
3
5
0
nO
O
′0
7
′b
5
0ノ
4
n7
7
4
0
0
3
4
凸フ
l
′b
4
4
4
7
7
8
7
′b
乙U
OU
8
凸フ
8
⊂J
5
′b
8
0
4
5
ムU
5
4
7
8
′b
7
′0
5
4
ワJ
Oノ
8
Jb
′0
5
エU
Numberof
Sitesin each
Location
l
l
l
l
l
l
l
r1
2
2
l
l
l
l
l
l
l
l
l
2
1
1
1
1
1
ー⊥
つム
1
3
5
5
5
5
5
5
5
5
0
0
5
5
5
′0
5
1
1
5
5
5
nフ
11
5
5
5
5
5
5
0
5
4
1
1
Prefecture Location*
Tokyo
91Kisarazu
92 Futtsu
93 Kamogawa
94Kyonan
95Tateyama
96 Shirahama
97Tokyo
98Kiyose,
Higashikurume
99Tanashi,Hoya
lOO Musashino
lOIMitaka
lO2 Chofu,Komae
lO3Inagi,Tama
lO4 Fuchu
lO5Kokubunji,Koganei
lO6 Kodaira
lO7Higashimurayama
lO8Higashiyamato
Musashimurayama
lO9Tachikawa,Kunitachi
llO Hino
111Fussa,Akishima
Akikawa
112 Hachio]1
113 Machida
l14 0me
l15 0kutama
Kanagawa l16 Kawasaki
l17 Yokohama
l18 Yamato
l19Sagamihara
120 Sacramiko
ExposureRate
抽R几r)
凸フ
0
7
5
1
5
′0
′0
7
7
5
4
0
4
0
4
1
4
2
1
2
7
1
4
2
nO
5
7
′b
5
′b
7
8
(d
7
7
7
5
(古
OU
Oノ
(邑
l
て)
乙じ
凸フ
5
0
1
4▲
1
5
0
1
7
ノD
5
5
1
1
1
Numberof
Sitesin each
Location
l
1
2
1
1
l
2
1
3
l
l
l
2
1
1
1
1
l
l
l
l
l
2
1
1
1
5
5
1
1
1
Sta
prefect｡re L｡C｡ti｡n* Ex呂芯器芦ate
129 Fujisawa
130Chigasaki
131Hiratsuka
132 0dawara
5
5
5
5一
5
1
3
2
Numberof
Sitesineach
Location
2
1
1
1
★
cf･Fig･2
★☆A:SphericalIonizationChamber
B:Surveymeterwith21'¢x2''NaI(Tl)Scintillator
C:Surveymeterwithl''¢xl′lNaI(Tl)Scintillator
TabJe2:Popu)ationExposureduetoNaturaJ
Radiationsin EachPrefectureofthe
Kanto District
byS.Abe.K.Fujitaka.K.Fujimoto,K.Arai,T.[do.M.lshidaandS.Tamoyama
Prefecture
Ibaraki
Tochigl
Gunma
Saitama
Chiba
Tokyo
Kanagawa
ExposureRate
±Standard Deviation
(〃R/hr)
Population*
(xl,000)
9.4±1.9
10,1±2.2
7.8±2.9
7.4±1.3
6.6±0.7
7.6±1.7
6.0±1.2
7.4±2.0
2,342
1,698
1,756
4,821
4,149
11,669
6,398
32,833
★
1400
Figurel:TheSituationofthe Kanto DistrictinJapan
Prefecture
l.柑ARAK1
2.TOCHIG1
3.GUh】MA
4.S則TAMA
5.CHIBA
6.TOKYO
7.KANAGAWA
ご二…~~､_+』′ヽ｡クノ
1350
.=二_=--_二
__.一一･一一--------･･-･･一一-｣一-一一一･--
一一----一･■一■--一丁~~~~･･--･-･■■■
SEA OF jAPAN
Figure2:DistributionofObservedLocationsintheKantoDistrICt
転たれ止/e ナ ノ
45 43
__
●_-
hヽ､
ヽ-一
′-一一
一l▲
ヽ
′一
l/
一
_′
′･､.′/一.●23
0
33
0
054
040
0 0042
044 41･‥⊂〉.■
c55
■l
lヽ■
●--●
039′-1I
(〕
喘ご這
● 一■
lヽ
115t
O
ロ120
0
-一
0
290
050
▲●
l
▲
q･･ハヽ
3
警､ヽ
C-G
l＼嘉
O U
ヽ_C
､_..
0■l______
.J l19
ヽ■
′04＼
b
20
つ山l
ノ
O●･･13
.心
00
20
､l∵･.
5
r＼0
｢l
■
5
や∴､㌧⊃
Co古･･ごゴー ■‥■､■
0
17
O16
llヽ一ヽ--
＼ヽ
√一.…･･-′㌧一
-
_一■■
●一一■l･ニヽ一
●一
30
′_
_
★′
一
凸7
010
53ロb害510甘･､≡ご三-9ヱ6㌧◆ぜ竺､1至･､､Gさヲ
00QタごCc n{▲
0ぷ
r
再犯OG短
賀璃肇､
118
む･㌦言草㌧肇1｡
｣(〕､ノ
一･
2
131130
jL_上L､ゾ
l･ち079080 76
J!C81C
攣129
∫や1
011
●■､一
75
0
ノ域82㌧c33
.jノ 0 84
イ
′ぶ㌘ C86
089088
(2)90srand137csinRainandDryFallout･
〃叩∂〃甜払Ⅵ正∂川〃∂頼通捷〃拍rノ
Under the commission of Science and Technology
Agency,Japan ChemicalAna]ysisCenterhasmeasured
the]evels ofstrontium･90and cesium･137in rain and
drvfalIoutsamp]esco]fectedin30prefecturesthroughq
OutJapan,
Samplingand pretreatmentwere performed by30
Prefecturalpublic hea[thlaboratories andinstitutes･
Thelarge tray conta=■ng Water WaS uSed for the
CO"ection of samples.anditwasexposedtorainand
dust for a month.Waterin the col[ection tray and
water used to wash the trav are combined with
StrOntium and cesiumcarrier.andfiltratethroughthe
filter paperlThefiltrationisthen applied nocolumn
fi"ed resin,and aIlthe cation were obsorbedinit.
Location
These resin and filter pal
JapanChemica]AnalysisC
The fraction containil
cesium-137 was eluted fl
ch]oric acid.Eluted soiuti【
were ashedin an eLectric
which was treated with h
With hydrochloric acid an
and washed.Thefiltratew
forstrontium-gOandcesiu]
Resultsobtaineddurlng
toMarch.1977areshown
AndsmaplingIocations
Table3:90srand137csinRainandDryFal■out
-Apri!.1976toMarc白′197了一
局叩∂〃C/ほmむ∂/月〃∂頼通Ce〃招rノ
/℃0nr血ued什omねわ/e7′〃0.430f抽/ざpU占〃c∂血Jり
Duration
(Days)
PrecIPltati･⊃n
(mm〕 (mCi/k
April,1976
Sapporo,HOKKAIDO
Aomori.AOMORI
Sendai,MIYAGI
Aki吋AK王TA
Yamagata.YAMAGATA
Okuma,FUKUSHIMA
MitoJBARAKI
ShinJyuku,TOKYO
Yokohama,KANAGAWA
Ni上qata.Nl】GAT上l
l
l
(U
O
O
ワJ
ワJ
ワ0
3
ワJ
1
0
nV
′hU
4
3
3
3
3
3
2ユ.0 0.010±0.
25.5 0.Oj_1工0.
44.5 0.0主5±0.
117.5 0.033±口_
41.8 0.015±ロ.
85.7 0.017±0.
90,0 0.020±0.
124.0 0.028‡0.
1580 〔き_040±0.
102､5 〔巨コ26±0.
I｣OCationDuration
(Days)
Okayama!OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAWA
May,1976
Sapporo,HOKKAtDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA
Mito,IBARAKI
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Nagoya,AICHI
Kyoto,KYOT0
0saka,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama,OKAYAMA
1
4
【リ
3
3
3
0
0
0
1
3
【`J
3
【`J
2
2
1
1
1
3
3
3
3
【く〕
3231312728
3132273227
3134343231
31
PrecIPltation90
(mm) (mCi/
177.8 0.015
252.4 0.021
301.0 0.022
283.3 0,029
169.0 0.014
157.0 0.021
123.0 0.023
254.5 0.015
34.0 0.006
0
0
0
0
4
3
7
4
8凸7
3
4
′b■
n7
3
0909掴g
g
O
O
O
O
O
O
O
O
O
O
89.8 0.011
207.5 0.020
212.6 0.019
244.7 0.011
58.0 0.008
119.5 0.009:
151.6 0.013:
311.0 0.040二
365.5 0.014二
148.4 0.016:
154.0 0.008:
146.7 0.015:
171.5 0.014:
67.8 0.015二
97.7 0.010:
152.1 0_013二
LocationDuration
(Days)
Sendai,M‡YAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA
M主tcご,IBARAKI
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui†FUKUI
Nagoya,AICHI
Kyoto,KYOTO
Osakヨ,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Totto王､i,TOTTORI
Matsue,SHIMANE
Ok叩占:℃∂,eKAYAMA
Hiroshlma,HIROSHIMA
YamagllChi,YAMAGUCHI
Kocbi,KOCHI
Dazai[u,FUKUOKA
SagatSAGA
Nagasaki,NAGASAKI
Kagoshima!KAGOSHIMA
Naha,OKINAWA
Shi2･uOka,SHIZUOKA
July,197ら
Sapporo,HOKKA王DO
Aomori,AOMORI
Sendai.MIYAG‡
Akila､JIKてTA
Yam叫ata,YAMAGATA
0
0
0
3
3
3
1
0
0
1
1
0
1
1
1
0
0ノ
qノ
1
0
0
3
ワJ
3
3
3
3
【く〕
3
3
3
つム
2
3
3
3
O
1
0
0
0
0
0ノ
1
0ノ
3
3
3
てJ
3
3
2
3
2
ワJ
2
王
l
つん
3
3
3
3
ワJ
PrecIPltation
(mm)
124.6
11ら.0
106.3
177.0
259.0
144.4
194.5
170.5
405.5
229.6
187.2
245.0
212.0
158.2
196.0
40.0
99.4
1】ら.6
1ら8.7
144.5
281.6
283.4
222.0
258.0
492.0
188.0
359.0
18.5
19.5
88.8
113.0
137.2
叩sl
(mCi/km2)
0.030±0.0011
0.003±0.0003
0.016±0.0007
0.029±0.0010
0.039±0.0011
0.016±0.0007
0.018±0.0007
0.015±0.0007
0.021±0.0008
0､019±0.0019
0.013±0.0006
0.015±0.0007
0,010±0.0006
0.007二0.0005
0.011±0.0007
0.O13±0.000ら
0.010±0.0007
0く006±0､0005
0.009±0.0006
0.013±0.0006
0.015±0.0007
0.013±0.0006
0.014±0.00i2
0.011±0､0010
0.003±0.0004
0.008±0.00C9
0.023±0.002口
0.052±0.0011
0.006±0.0005
0.007二0.0007
0.01〔上土0-0008
0.008±0.0005
Location
Ⅹyoto,KYOTO
Osaka,OSAKA
Kob,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama,OKAYAMA
Hiroshima,HIROSH‡MA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu.FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAV挿
Au卯St,1976
Sapporo,HOK誓AIDO
Aomori,AOMORt
Sendai,MIY薫こ;す
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA A
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kana2:aWa,ISHIKAWA
Fukui,FUKU王
Na9弧0,NAGANO
Shizuoka,SHIZUOKA
Duration Precipitation 90sr
(Days) (mm) (mCi/km2)
3
2
3
1
3
【J
3
3
3
3
2
2
1
3
2
1
3
2
3
つ]
【J
3
3
3
3
3
3
3
3
【J
1
2
1
1
0
3
3
3
3
3
2
1
1
1
1
3
3
3
3
3
l
1
8
凸7
3
3
2
つ]
112.9 0.013±0.000
119.0 0.003±0.000
87.9 0.007±0.000
74.5 0.00る±0.00〔】
19.25 0.014±0.001
44.0 0tOO3±0.00C
54.7 0.004±0.00C
llO.08 0.005±0.00〔
226.0 0.012±0.00C
251.0 0.012±0.00C
225.7 0.008±0.00〔
312 0.008±0.00〔
417.0 0.006±0.00(
364.5 0.002±0.00〔
319.5 0.006±0.00〔
105.0 0.010±0.001
131.0 0.013±0.001
304.9 0.014±0.00
156.0 0.009±0.001
340.5 0.010±0.00
289.6 0.009±0.00
160.0 0.006±0.00
121.2 0.007±0.00
424.5 0.011±0.00
360.1 0.005±0.00
300.8 0.00る±0.00
180二0 0.004±0.00
167.0 0.003±0.00
228.5 0.007±0.00
LocationnO
吊り
.b
y
a
a
Dur叩 PrecIPltation 90sr
(mm) (mCi/km2
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha.OKINAWA
September,1976
Sapporo,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui,FUKUI
Nagano,NAGANO
Shizuoka,SHIZUOKA
Nagoya,AICHI
Kyoto,KYOTO
Osaka,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue.SHIMANE
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
0
0
1
1
3
3
3
3
3131303030
3330313130
3131343132
3031303131
3030313030
凸フ
0
ワJ
2
3
3
312 0.004±0.0
175.0 0.001±0.0
189.0
84.0 0.001±0.0
87.0 0.005±0.0(
134.5 0.001±0.0〔
357.5 0.014±0.0(
263.0 0.024±0.0(
129.5 0.006±0.0(
330.9 0.018±0.0(
255.0 0.010±0.0〔
361.3 0.013±0.0〔
190.0 0.014±0.0〔
279.0 0.00ら±0.0〔
321.6 0.007±0.OC
152.7 0.013±0.OC
289.0 0.013±0.OC
768.0 0.009±0.OC
317.3 0.003±0.00
255 0.005±0.00
256.3 0.007±0.00
382.0 0.006±0.00
411.4 0.010±0.00
178.1 0.005±0.00
459.0 0.003±0.00
260.7 0.004±0.00
255.0 0.006±0.00
1385.7 0.013±0.00
222.ヒコ 0.004±0.00･
282,5 0.001±0.001
378.0 0.003±0.00
281.5 0_002±0_00
Location
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa.ISHIKWA
Fukui,FUKUI
Nagano,NAGANO
Shizuoka,SHIZUOKA
Nagoya,AICHI
Kyoto,KYOTO
Osaka.OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi!YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha!OKINAWA
November,1976
Sapporo,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA
Mito,IBARAKI
Shinjyuku,TOKYO
nO､封.
.tl
y
a
(d
Dur叩
2
2
0
【く〕
3
3
32323032323132323232
3131333132
30313229
O
1
0
0
0
3
3
3
【j
3
2
0
0
2
て〕
3
PrecIPltation
(mm)
154.5
99.5
140.5
164.3
61.5
164.5
142.7
134.6
97
111.3
110.0
50.0
117.8
123.3
105.9
107.0
238.1
151
141.0
158.5
85.0
237.5
117.5
156.0
59.5
193.0
49.6
122.4
72.0
81.4
90sr
(mCi/km二)
0.023±0.001≡
0.022±0.001:
0.036±0.001(
0.035±0.001(
0.00ら±0.000モ
0.025±0.001J
O.026±0.001≡
0.010±0.001(
0.011±0.001二
0.012±0.001(
0.024±0.001:
0.018±0.001:
0.015±0.001:
0.007±0.000(
0.009±0.000(
0.013±0.001
0.031±0.001!
0.011±0.001
0.013±0.00‡`
0.017±0.001-
0.009±0.001
0.017±0,000亡
0.013±0.000
0.027±0.001･
0.016±0.001
0.036±0.001
0.004±0.000
0.014±0.000
0.007±0.001
0.006±0.000
｣OCatlOnnO
ぃり
.tl
V一
a
a
Dur叩
Matsue,SHIMANE
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi.KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAWA
December,1976
Sapporo,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMAA
Mito,IBARAKI
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui.FUKUI
Nagano,NAGANO
Shjzuoka,SHIZUOKA
Nagoyd,AICHI
Kyoto,KYOTO
Wakayama,WAKAYAMA
Tottori†TOTTORI
Matsue,SHIMANE
Okayama.OKAYAMA
Hj王､OS損ma,HIROSHIMA
Yamaguchi,YAMAGUCHI
n7
0
0
1
0
2
3
3
3
3
O
1
0
nフ
0
3
3
3
2
3
4
5
′b
4
4
3
3
3
3
【J
3535353641
36353532鎚
4▲
′b▼
′0
′b
5
3
3
3
3
3
｢-J
7
3
て)
PrecIPltation 90sr
(mm) (mCi/kr
145.7 0.024±0.
39.4 0.003±0.
73.3 0.003±0.
78.5 0.011±0.
247.8 0.024±0.
76.2 0し.012±0.
57.5 0.007±0.
53.0 0.012±0.
101.5
67.5 0.005±0.
118.5 0.013±0.
92.0 0.019±0.
57.6 0.007±0.
109.5 0.022±0.
126.2 0.009±0.
17.4 0.004±0.
18.5 0.006±0.
32.6 0.012±0.
43.0 0.007±0.
198.5 0.019±0.
455.0 0.040±0.
349.0 0,023±0.
53.0 0.004±0.
119.0 0.007±C.
62.5 0.0ユ､1±0,
24.7 0.006±0.･
40.0 0.006±0.】
146.0 0.029±0∴
90-1 0.027±0ら】
34.1 0.003±0､弓
63.9 0.005±0,宅
77.5 0.013±0.t
Location On可.tl
y
a
a
Dur叩 PrecIPltation90sr
(mm) (mCi/km2)
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Ohkuma,FUKUSHIMA
Mito,IBARAKI
Shin]yuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui,FUKUI
Nagano,NAGANO
Shizuoka,SHIZUOKA
Nagoya,AICHI
Osaka,OSAKA
Kobe,HYOGO
Kyoto,KYOT0
0saka,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama.OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAWA
00
8
8
2
2
2
つム
2
2
2
2
2
2
2
3
2
【J
【J
3
2
2
2
2
2
2
3
2
2
2
3
2
凸7
′b
7
7
5
′b
8
8
3
ノb
5
′0
0
7
′0
7
8
′b
7
1
7
7
′b
5
8
O
1
3
3
1.0
51.5
28.4
2.6
13.0
21.1
29.4
151.5
220.5
216.8
17.0
34.5
17.5
l
つム
0
0
乙U
6
7
0
5
こJ
5
5
2
20.5
141.8
103.4
13.5
7.3
3
1
4
4
q′
l
1
3
1
2
3
4
3
41
0
00
3
0
0
0
0
0.010±0.0009
0.008±0.0007
0.005±0.0007
0.012±0.0010
0.003±0.0004
0.010±0.0010
0.003±0.0006
0.005±0.0008
0.023±0.0013
0.029±0.0013
0.010±0.0005
0.005±0.0008
0.003±0.0004
0.005±0.0008
0.007±0.0005
0.004±0.0004
0.002±0.0004
0.004±0.0004
0.004±0.0004
0.020±0.0012
0.026±0.0008
0.000±0.0001
0.002±0.0006
0.006±0.0008
0.009±0.0008
0.006±0.0008
0.003±0.0007
0.006±0.0007
0.004±0.0007
0.007±0.0005
Location On可.b
y
a
a
Dur叩 PrecIPltation90sr
(mm) (mCi/kn
Fukui,FUKUI
Nagano,NAGANO
Shizuoka,SHIZUOKA
Nagoya,AICHI
Kyoto,KYOTO
Osaka,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama,OKYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAWA
March,1977
Sapporo,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Fukushima,FUKUSHIMA
Mito,IBARAKI
Shinjyuku,TOKYOYokohama,KANAGAWA
Niigata,NIIGATA
Kanazawa,ISHIKAWA
Fukui,FUKUI
7
8
2
2
2
2
(4
2
2
2
2
2
2
2
2
0ロ
ムU
OO
8
2
2
2
2
2
8
8
nO
OO
OO
7
8
8
800
凸7
8
2
2
l
l
l
l
1
3
3
3
3
てJ
エU
l
l
1
2
3
3
3
3
7J
5
1
2
3
185.5 0.029±0.
25.5 0.013±0.
5
2
n7
0
0
4
00
8
7
qノ
7
1
3
5
2
0.008±0.
0.014±0.
0.013±0.
0.011±0.
0.005±0.
46.0 0.005±0.
227.5 0.031±0.
109.0 0.028±0.
8.5 0.013±0.
16.4 0.016±0.
乙U
5
7
4
1
3
3
5
5
′D
4
3
0ノ
4
0
凸フ
3
0
5
0
5
0.017±0.
0.013±0.
0.009±0.
0.015±0.
0.021±0-
0.019±0.
0.017±0.
77.0 0.022±0
38.5 0.018±0
131.1 0.019±0
83.5 0.037±0
57.3 0.021±0
82.0 0.015±0
136.5 0.018±0
164.4 0.040±ロ
227.2 0.037±0
70.1 0.022±0
115.0 0.033±0
192.0 0.041±0
Location ti｡画a
a
Dur叩 Preclpitation 90sr
(mm) (mCi/km2)
Matsue,SHIMANE
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Dazaifu,FUKUOKA
Saga,SAGA
Nagasaki,NAGASAKI
Kagoshima,KAGOSHIMA
Naha,OKINAWA
l
l
1
0
1
1
1
1
5
1
3
3
3
7J
3
3
3
3
2
3
130.1 0.030±0.001
115.8 0.023±0.001
176.5 0.039±0.001
235.0 0.048±0.001
195.9 0.053±0.001
146.8 0.037±0.001
150.0 0.038±0.001
88.5 0.038±0.001
281.0 0.024±0.001
62.5 0.010±0.001
Figure3=90srand137csinRainandDryFa‖out
-Apri),1976toMarch,1977-
〃叩即伽em止∂/血∂/四庵C釦価叫
1.SalPOr0
2.Aomt而
3.Sendai
4.Akita
5.Yamagata
Okuma
Mito
Sh両yukuY¢kohama
帖igata
11.Kan8王aWa
12.Fuklli
13.Shi王UOka
川.鵬即甲
15.KYOt8
が3
-
1
Osaka
Kobe
肌雨脚m
Ttl代Ori
肌摘Ue
21.Okayama
22.Hiroshima
23.Yam喝uChi
24.Kochi
25.Da詞ifu
26.Saga
2丁.H喝すSaki
28.Kagoshima
29.Nahさ
30.Mag卸0
一一一一一一-一一■■一-~
(3)90srand137csinAir-BorneDust.
伍卵〃甜βm血/加∂/西日加加ノ
Underthe commission of ScienceandTechnology
Agency.Japan Chemica]AnalysIS Center has deter-
mined the)evefs of stl･Ontium-90and cesium･137in
air･borne dust samples co"ectedinlO F)refecturcs
throughoutJapan.
Dust samF)]es were coIlected bv the asplration of
3000m or more air atl.01.5m above the ground
SurfaceinlOprefecturalpubIichealthtaboratoriesand
institutes.The samples collected duringthreemonths
(the precipitation of aboutlO,000m air)werecom-bined,andwereforwardedtoJapanChemicalAnalysfS
Centeraftercarbonization.
Location
These samp[es were a:
furnance atJapan Chemic
tD Which both some carI
wcreadded.wasdestroyed
WaSdissoIvedintohydrocr
it was added with nitric
The fi[trate was radi
StrOntium-90and cesium･1
theperiodfromApril.19｢
inTabte4.
AndsamF)lingfocations
Table4:90srand137csinAir･Borne Dust
-AF)ri[.1976toMarch.1977-〃叩∂〃α†e仰正∂/月〃∂/r由C如紬〃
｢Co〃如ued什om T地/e2.〃0.4()亡汗納血p〟ム/正∂r血〃
S冒諾慧g霊E警笛(1｡-ご詰April～June,1976
0hkuma,FUKUSHIMA
Mito,IBARAKI
Niigata,NIIGATA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Nagoya,AICHI
Osaka,OSAKA
Tottori,TOTTORI
Hiroshima,HIROSHIMA
Nagasaki,NAGASAKI
July､September,1976
0hkuma!FUKUSHIMA
エU
′0
5
′0
～
～
～
～
6
5
4
4
4
′0
′h)
′0
乙U
エU
～
～
～
～
～
4
4
4
4
4
8～9
7,723 0.4±0.
13,608 0.1±0.
10,253.4 0.3±0.
18,462 0.2±0.
10,039.5 0.03±0.
16,340 0.4±0.
7,776 0.3±0.
13,156 0･3±0.
10,800 0.03±0.
4,800 0.4±0.
7,761 0.2±0.
Location S諾言g £た慧置)(1｡一顎′m3,October～December,1976
0hkuma,FUKUSHIMA
Mito,IBARAKI
Niigata,NIIGATA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Nagoya,AICHI
Osaka,OSAKA
Tottori,TOTTORI
Hiroshima,HIROSHIMA
Nagasaki,NAGASAKI
January～March,1977
0hkuma,FUKUSHIMA
Mito,IBARAKI
Niigata,NIIGATA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Nagoya,AICHI
Osaka,OSAKA
Tottori,TOTTORI
Hiroshima,HIROSHIMA
Nagasaki,NAGASAKI
10～11
10～･12
10～12
10～12
10～12
11～12
10～12
10～12
10～12
10～12
3
3
3
3
～
～
～
～
3
1
1
2
1
3
3
3
3
3
～
～
～
～
～
l
l
l
l
l
6,569 0.8±0.07
35,352 0.2±0.0I
lO,800.3 0.3±0.03
21,607 0.3±0.02
12,338 0.1±0.03
8,993 0.3±0.04
8,424 0.1±0.03
12,742 0.3±0.04
10,800 0.2±0.03
4,800 0.2±0.07
6,441 0.5±0.04
10,368 0.1±0.02
9,615.8 0.4±0.03
19,658 0.2±0.01
11,014.5 0.1±0.02
19,192 0.2±0.01
8,424 0.2±0.02
12,223 0.2±0.02
10,800 0.1±0.04
6,600 0.3±0.07
Figure4‥90srand137csinAir-BorneDust
-April.1976toMarch.1977-
〃叩∂〃α帽m血/月〃∂/四海C如他山
1.Okuma
2.Mito
3.Niigata
4.Fukui
5.Shizuoka
6.NagoYa
T.Osaka
乱 丁ottori
9.Hiroshima
川L hla9aSaki
S【A OFJAPAN
ーf⊥j･･～j.
1400
●●■
r/
(4)90srand137csinServiceWater.
仙卵〃甜e爪由/加∂小血曲什紬〃
Japan ChemicalAnalysis Center hasanaIyzedthe
COntentS Of strontium･90and cesium･137in service
WaterCO"ectedfrom32prefecturesjnJapanunderthe
COmmissionofScienceandTechnologyAgency･Theservice
waterwasdividedintofol]owIngtWO
CategOries.(1)the source water obtained from the
intakeofeach stationofwaterworks,and(2)thetapWater Obtained from the cock of each house or
building･Ateach prefecturalpublichealthlaboratory
Orinstitute.100Jitersofsamplewaterwerefiltrated
Withlargefilter papersafter addition andmixtureof
bothsomecarriers･Thefiltrationwasthenappliedon
a coJumnfi"ed thesodium(
a‖the cations were absorbl
fiJterF)aPerSWereCO"ecteda
Center.
AtJapanChemicalAnalv･
SamPlesanalyzedradiochemil
CeSium･137uslngthe metho
Of rain and dry faHout mi
durJngtheperiodfromAF)ril
ShowninTable5.
AndsamF)linglocationsar(
TabIe5:90srand137csinServiceWater
-AF)ril,1976toMarch.1977-｢J如∂〃αIem正∂/月〃∂/四海C如焼山
｢Co〃如ued什om乃ム/eユ〃0.4コロJ納血pu〟/c∂血〃ノ
Location PH
(語SOURCE WATER
June,1976
Sapporo,HOKKAIDO
Katsushika,TOKYO
Nagoya,AICHI
MorlguChi,OSAKA
Fukuoka,FUKUOKA
1
8
8
0
8
7
′0
′0
7
′b
0.08±0.003
0.11±0.005
0.09±0.003
0.23±0.008
0.10±0.006
Location
TAP WATER
June,1976
Wakkanai,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Yamagata,YAMAGATA
Fukushima,FUKUSHIMA
Katsushika,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
KanaヱaWa,ISHIKAWA
Fukui,FUKUI
Nagoya.AICHI
Osaka,OSAKA
Kobe,HYOGO
Wakayama,WAKAYAMA
Tottori,TOTTORI
Matsue,SHIMANE
Okayama,OKAYAMA
Ube,YAMAGUCHI
Kochi,KOCHI
Fukuoka,FUKUOKA
Saga,SAGA
Naha.OKINAWA
Kagoshima,KAGOSHIMA
July,1976
Kyoto,KYOTO
Au可uSt,1976
Nagano,NAGANO
Shizuoka,SHIZUOKA
September,1976
Hiroshima,HIROSHIMA
6･47･27･66･4-6･87･26･87･27･0
6･66-87･57･16･4
7･｡7･｡7･07･47･3
日7･56･8
7.4
7.0
0.35±0.011
0.05±0.003
0.09±0.003
0.10±0.004
0.11±0.006
0.10±0.005
0.03±0.002
0.17±0.005
0.12±0.004
0.01±0.002
0.09±0.006
0.15±0.007
0.22±0.005
0.08±0.003
0.09±0.003
0.21±0.005
0.03±0.002
0.12±0.006
0.07±0.003
0.10±0.006
0.08±0.006
0.08±0.006
0.01±0.002
0.31±0.006
0.04±0.004
0.004±0.003
0.11±0.006
Location90sr
(pCi/史)
December,1976
Wakkanai,HOKKAIDO
Aomori,AOMORI
Sendai,MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Katsushika,TOKYO
Niigata,NIIGATA
Fukui,FUKUI
Kanazawa,ISHIKAWA
Shizuoka,SHIZUOKA
Nagoya,AICHI
Kyoto,KYOTO
Osaka,OSAKA
Tottori,TOTTORI
Matsue,SHIMANE
Yamaguchi,YAMAGUCHI
Kochi,KOCHI
Okayama,OKAYAMA
Saga,SAGA
January,1977
Mito,IBARAKI
Yokohama,KANAGAWA
Nagano,NAGANO
Kobe,HYOGO
Hiroshima,HIROSHIMA
Naha,OKINAWA
February,1977
Fukuoka,FUKUOKA
3
2
1q′
(ワ
′b
7
′0
5
′b
4
1
1
7
凸フ
凸7
7
4
1
′0
7
7
7
′0
エU
′b
′b
乙U
7
15
7
3
7
′b
7
7
qノ
2
0
0
qノ
′h▼
′0
7
7
7
7
0.51±0.013
0.06±0.005
0.10±0.006
0.18±0.007
0.08±0.005
0.04±0.007
0.16±0.007
0tO5±0.004
0.13±0.007
0.01±0.003
0.11±0.006
0.29±0.010
0.13±0.006
0.08±0.005
0.12±0.004
0.06±0.005
0.04±0.004
0.02±0.004
0.07±0.003
0.04±0.004
0.02±0.003
0.03±0.004
0.21±0.005
0.11±0.004
0.21±0.005
0.14±0.004
Figure5‥90srand137csinServiceWater
-April,1976toMarch.1977一
佃即伽em正∂用〃∂/四海C如峨山
1.Sapporo
2.Wakkanai
3.Aomori
4.S帥dai
5.Akita
6･Yamagata
7.Fukushima
8.Mito
9.Katsushika
lO.Yokohama
31･和昭aSaki
32.K喝OShima
33.Maha
11.Niigata
12.Nagano
13.Kanazawa
川.Fukui
15.Shizuoka
16.Ⅳagoya
lT.Kyoto
18.Osaka
19.Moriguchi
20.Kobe
21.Wakayama
22.Tottori
23.Matsue
24.Okayama25.Hiroshima
26.Yamaguchi
2丁.Ube
28.Kochi
29.Fukuoka
30.Saga
S【A OFJAPAH
●●●●
DIETARY D
(1)90srand137csinTotalDiet
〃叩抑甜em血/加∂/岬血企〃柑rノ
Underthe commission of ScienceandTechnologY
Agency.JapanChemicalAnalysisCenterhasanaIvzed
totaIdietsamplesco"ected from30prefectures.and
determined the content of strontium･90and cesium･
13Tinthesesamples.
Each prefecturalpublic health taboratory andin･
stitute have collected 2times a year a"the daily
regulardietconsumed forfivepersons,namelvthree
mealsand othereatlng betweenmeals.Thbsesamples
wereco"ectedatJapanChemicaJAna(ysisCenterafter
cart)OnationwithoutsmokerlSlng.
AtJapan ChemicalAnaIys
were ashedin an electric mufJ
to which both some carrier:
Wereadded,WaSdestroyedun
Were dissoIvedinto hydroch
afterit was added with nit
dryness.Thefi]tratewasradil
StrOntium･90andcesium･137.Resultsobtainedduringth(
toMarch,1977areshowninl
Andsamplingtocationsare
Table6:90srand137csinTota(Diet
-April.1976toMarch.1977-〃如∂〃α帽m/由/月〃∂/咋克C如焼山
｢C(川加ued什om Tbb/e4.几b.430f肋血puム抽∂f由〃ノ
LocationAsh Ca K
)(mg/p/d)(mg/p/ ) pCi/p/d S.U.
June,1976
Aomori,AOMORI
Sendai.MIYAGI
Akita,AKITA
Yamagata,YAMAGATA
Fukushima,FUKUSHIMA
Nerima-ku,TOKYO
Nishikanbara-gun,NIIGATA
Kanazawa,ISHIKAWA
1
0
つ山
3
2
4
′b
7
n0
00
つム
l
1
2
1
q′
5
つ山
8
7
8
1
つ山
l
0
0
0
0
0
3
2
5
2
1
3
3
5
nO
′b
l
0
0
0
1
3
′0
5
6
4
0
0
0
0
0
1
7
4
7
AU
3
3
5
凸7
7
2
1
1
つ山
l
10 ±0.6
2.9±0.36
7.4±0.51
14±0.8
4.6±0.39
2.1±0.36
4.8±0.52
2.9±0.34
7.5±0.4
9.1±1.1
13±0.9
17±1.0
7.5±0.6
4.1±0.7
7.6±0.8
6.4±0.7
LocationpCi/p/d
S.
July,1976
Sapporo,HOKKAIDO
Mito,IBARAKI
Hiratsuka,KANAGAWA
Matsue,SHIMANE
Hiroshima,HIROSHIMA
Kagoshima,KAGOSHIMA
Nagasaki,NAGASAKI
September,1976
Suzaka,NAGANO
October,1976
Nagoya,AICHI
November,1976
Yamagata,YAMAGATA
Kanazawa,ISHIKAWA
Neyagawa,OSAKA
Okayama,OKAYAMA
Kochi.KOCHI
Fukuoka,FUKUOKA
Sendai,MIYAGI
Fukushima,FUKUSHIMA
Nishikanbara-gun,NIIGATA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Iwamトgun,TOTTORI
Saga,SAGA
Naha雷OKINAWA
December,1976
Aomori,AOMORI
Akita.AKITA
Mito,IBARAKI
4
1
00
7
′b
5
QU
q′
5
2
1
1
1
1
1
00
∩フ
5
5
1
1
18.3
3
00
1
0ノ
7
5
〔D
O
5
4
2
1
2
1
1
8
5
5
3
q′
7
5
5
5
5
1
1
1
つム
l
8
5
1
q′
只U
′b
OO
5
1
1
1
1
4
7
′b
q′
q′
5
1
1
1
360 1800 3.3±0.30
480 1710 3.0±0.38
290 1370 2.1±0.38
550 2010 4.7±0.37
370 1260 3.1±0.29
470 2240 3.2±0.33
830 1750 3.5±0.46
+一
+一
+一
+一
十一
3
3
5
′0
3
9
′0
7
8
00
680 2240 3.2±0.35 4.7±
450 1980 3.9±0.35 8.7±
690 2890 7.3±0.53
450 1730 4.8±0.41
780 2410 6.1±0.46
410 1880 4.2±0.34
660 1720 5.2±0.37
0
0
0
0
0
0
0
0
00
5
0
4
0ノ
00
4
1
0
0
0
0
5
1
3
n0
8
5
0
4
1
0
0
0
1
′b
′0
5
′b
5
0
0
0
0
0
っム
0
0
7
3
0ノ
Jb
7
1
′b
l
l
1
3
1
5
3
3
2
0
0
+一
十一
′b
O
3
3
1
2
5
4
′b
3
0
(U
O
±
±
±
∠ロ
7
′b
4
7
3
+一
+一
+一
±
±
l
1
00
0
(｣U
l
1
7.1
7
+一
+一
+一
+一
±
5
4
1
7
q/
3
7
5
8
7
+一
±
+一
+一
8
0
3
8
5.1
3
5
7
′b
O
7
4
2
4
3
0
0
0
0
±
+一
±
±
0
2
4
00
5
5
7〕
つ山
0
0
0
0
0
3
′b
n7
1
7
5
4
つ山
l
l
l
⊥一
+一
+一
2
2
1
-⊥
7
′b
7
〔LC
7
4
4
て〕
(∪
(U
O
+一
十一
+一
qノ
8
4
5
4
ワJ
O
O
O
2
5
9
5
3
′b
2
つ]
l
LocationAsh Ca
拍/p/d)(mgノp/d) (mq/pノd) PCi/′p./d S･U･
Nagasaki.NAGASAKI
Kagoshima,KAGOSHIMA
January,1977
Sapporo,HOKKAIDO
February,1977
Nagano,NAGANO
Wakayama,WAKAYAMA
Marcht1977
Naha,OKINAWA
14.0 570 1570 3.0±0.33 5.2±0.58
16.6 530 2130 6.2±0.48 12±0.89
17.9 800 2020 4.2±0.40 5.2±0.50
17.2 640 1790 2.1±0.36 3.4±0.56
22.1 1050 2400 6.3±0.57 6.1±0.54
13.2 600 1800 2.5±0.1る 4.1±0.27
Figure6:90srand137csinTotaJDiet
-April,1976toMarch.1即7-
〃叩a〝伽e仰血∂/月〃∂叶5血Ce〃柑〟
SalPOrO
At川nOri
Son血i
Akita
Yam叩拍
Fリーuihima
Mito
H●rima･ku
Hi帽tSuka
11.Sリ王暮ka
12.K訓帽引Ⅳ帽
13.h丑山
14.Shiエリ0la
15.1lagoYa
16.町叩tOlT.1帖Y叩川帽
18.Kalo押Wa
19.Wak呵抑a
佃仙ih血…馴両別.(h8mi･Ou吊Yoshi血･mさCbi Fukubo-mura
(Uて)---ft一⊂..⊥■【一l
1.Ha血書
2.馴叫仰桐
3.HirtIShima
4･Yama押印i5.Kothi
8.Fuluoka
T.S叩a
8.仙IIaSdki
9.K叩餌hima
O.Hahd
〇
一
5
一3-十⊇-･l
S【A OFJAPA■
-･▼---●-■一一-~
(胡90srand137csinMitk.
佃抑甜e椚血/加∂小山曲佃〃
Underthecommission of ScienceandTechnology
Agency,JapanChemica]AnaJysisCenterhasmeasured
the]eveJs of strontium-90 and cesium･137in miJk
SamPlescollectedin29prefecturesthroughoutJapan.
CoHectedsamp[esweretherawmilkand thecitY
OneS for the produc-ng districts and the consumlng
districts,reSPeCtively.These samples have been co[･
Jected2timesayear(forthereporttoWHO,4times
Of raw milk a year).Threelitersoffresh milk were
CarbonatedineachprefecturaJpublichealthlaboratory
andinstitute.andthecal
edtoJaF)anChemicalAn;
AtJapan ChemicaIAI
SamPlesanalyzedradioch
CeSium･137uslngthem(
Oftotafdiet.
ResuItsobtaineddurin
toMarch,1977areshowr
AndsampJingIocation=
Tab暮e7:90srand137csinMilk(Production)
一月pr//.柑76ro〃∂rC/1.7977-
｢Co〃加ued什om乃ム/e員〃0.4コロf納血puム址∂fわ〃
LocationP) K(g/史) pCi/夏 S.
May,1976
Hachijyo,TOKYO
Yagumo(Yatsuka-gun),SHIMANE
Kochi,KOCHI
Koga(Kasuya-gun),FUKUOKA
June,1976
Sapporo,HOKKAIDO
Nishikawa(Nishikanbara-gun),NIIGATA
Katsuyama,FUKUI
Shobara,HIROSHIMA
Yamato(Saga-gun),SAGA
Kajiki(Aira-gun),KAGOSHIMA
July,1976
00
0
4
0
∩フ
1
0
4
7
7
7
7
n7
3
qノ
7
8
8
4
QO
2
3
00
0
7
5
7
7
′b
7
7
4
0
0
1
1
00
5
4
0
5
5
1
QU
n7
0
0ノ
0
1
0
0
1
0
1
1.82 5.3±0.38 4.2±
1.81 1.2±0,23 1.3±
1.65 1.9±0.25
1.64 1.5±0.24
1.82 2.2±0.27
1.30 2.3±0.22
2.01 2.6±0.27
1.65 0.7±0.21
1.50 1.3±0.21
1.60 3.0±0.28
+一
+一
QO
5
1
1
+一
十一
+一
+一
→一
nフ
7
QO
7
3
1
つ]
つ]
O
l
2.9±
LocationAsh(g/史) Ca(g/Q) K(g
Nose(Toyono-gun),OSAKA
Akashi,HYOGO
Shobara,HIROSHIMA
Kochi,KOCHI
Koga(Kasuya-gun),FUKUOKA
Oshimi2=u(Hakui-gun),ISHIKAWA
September.1976
Kajiki(Aira-gun),KAGOSHIMA
November,1976
Sapporo,HOKKAIDO
Hachijo,TOKYO
Nishikawa(Nishikanbara-gun),NIIGATA
Nose(Toyono-gun).OSAKA
Shobara,HIROSHIMA
Kanda,KOCHI
Koga(Kasuya-gun),FUKUOKA
Kajiki(Aira-gun),KAGOSHIMA
December,1976
Sapporo,HOKKAIDO
Katsuyama,FUKUI
Yagumo(Yatsuka-gun),SHIMANE
Yamato(Saga-gun),SAGA
January,1977
Nose(Toyono-gun),OSAKA
Yagumo(Yatsuka-gun),SHIMANE
February,1977
Aomori,AOMORI
7
7
1
1
0
′b
qJ
′0
1
つ山
凸7
7
′b
′b
7
7
〔0
7
8
4
凸0
0
0
つ】
q′
凸7
4
0
つ一
つ]
′0
7
7
7
7
7
3
2
つ】
5
4
0
7
7
7
つ】
0
8
2
7
4
5
q′
7
7
7
′b
0
8
3
3
7
7
7.20
′b
1
3
q′
l
1
0
q′
O
1
2
0
1
0
1
1
1
1
2
1
nO
9
3
凸7
0
4
0
9
1
0
1
1
1
0
1
1
0.95
00
0
0
∩フ
1
0
1.09
1.51 2.2±0.25 2.0±0.24
1.67 0.6±0.17 0.6±0.19
1.る7 1.7±0.25 1.6±0.24
1.54 4.2±0.32 5.5±0.27
1.93 1.8±0.31 1.5±0.26
1.90 2.5±0.18 2.4±0.18
1.58 3.1±0.30 3.0±0.29
1.64 3.8±0.34 2.7±0.24
1.79 6.6±0.40 6.1±0.37
1.69 1.9±0.26 1.9±0.26
1.63 1.2±0.23 1.0±0.20
1.68 1.6±0.24 1.4±0.22
1.67 1.2±0.24 1.2±0.23
1.54 1.2±0.23 1.1±0.20
1.5る 2.2±0.26 2.0±0.24
1.68 2.9±0.36 2.2±0.27
1.72 3.7±0.33 3.4±0.30
1.64 2.6±0.28 2.5±0.27
1.36 1.2±0.25 1.3±0.26
1.48 1.7±0.25 1.6±0.2
1.45 2.1±0.27 2.3±0.3
1.53 5.4±0.3る 5.0±0.3
TabIe8:90srand137csinMilk(Comsumption)
一月pr〟′柑76わ〃∂rC/丁.柑77-
｢Co〃加ued打om T加/e古｣〃0.430f納血puム故∂血〃
Location 0nent Sr
Ash(g/史) Ca(g/史) K(g/史) pCi/史S-
June,1976
Akita(Ushijima),AKITA
July,1976
Matsue.SHIMANE
Au甲JSt,1976
Sapporo,HOKKAIDO
Sendai,MIYAGI
Yamagata.YAMAGATA
Shin]yuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Fukui.FUKUI
Nagano,NAGANO
Shizuoka,SHIZUOKA
Kyoto,KYOT0
0saka,OSAKA
Wakayama,WAKAYAMA
Yonago,TOTTORI
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Kochi,KOCHI
Ohno]yO,FUKUOKA
Kagoshima,KAGOSHIMA
Fukushima,FUKUSHIMA
September,1976
Nagoya,AICHI
6.90 1.03 1.63 3.5±0.29 3.4
1.71 4.0±0.32 3.7
′0
4
′b
1
7
9
8
1
8
00
′0
′0
7
′b
Jb
2
凸0
′b
3
0
1
5
凸フ
つ一
4
7
7
′b
7
′0
3
0
5
5
q′
7
0
2
8
0
′O
q′
7
7
7
5
1
3
5
5
7
0
3
7
5
7
7
7.50
1
8
7
4
2
1
(U
O
O
O
l
l
l
l
l
4
7
7
∩フ
7
0
1
0
0
q′
l
l
l
1
0
0
00
′b
O
1
0
1
0
つ]
0
1
1
1
1
1
つ】
5
3
′b
O
QO
O
O
1
0
1
1
1.03
3
9
3
5
3
′0
5
5
′b
5
1
1
1
1
1
0ノ
′b
q′
3
′b
5
00
5
7
4
1
1
1
1
1
3.6±0.30
2.0±0.24
2.3±0.27
2.1±0.25
1.2±0.22
2.0±0.26
1.9±0.26
1.5± 0.23
2.3±0.26
1.6±0.22
1.51 1.9±0.24
1.87 2.5±0.32
1.71 2.6±0.29
1.82 2.1±0.28
1.67 2.1±0.26
2
00
2
0
2
3
1
2
つム
l
0
′b
4
1
′b
2
1
1
つ山
l
9
1
5
7
､⊥
1
2
2
1
2
1
0
8
(‖0
つ山
l
l
1
7
00
7
′b
つ]
l
つ]
つム
0
0
0
0
+一
+一
+一
十一
l
nフ
00
n7
2
0
1
1
7
4
5
1
5
ワJ
′D
′b
l
l
l
l
′b一一ち
l
1-
5
て
つ]
つ
0
∩
+一
+
7
A
l
1
7
ち
ムリ
ム
l
l
LocationAsh(g/史) Ca(g
Osaka.OSAKA
Wakayama.WAKAYAMA
Matsue,SHIMANE
Kagoshima,KAGOSHIMA
Naha,OKINAWA
February,1977
Sendai,MIYAGI
Yamagata,YAMAGATA
Shinjyuku,TOKYO
Yokohama,KANAGAWA
Niigata,NIIGATA
Fukui,FUKUI
Shizuoka,SHIZUOKA
Nagoya.AICHI
Kyoto,KYOTO
Yonago,TOTTORI
Okayama,OKAYAMA
Hiroshima,HIROSHIMA
Kochi,KOCHI
Ohno]yO,FUKUOKA
Nagasaki,NAGASAKI
March,1977
Fukushima,FUKUSHIMA
Yamaguchi,YAMAGUCHI
Katsuren,OKINAWA
n7
n7
′0
7
0
7
0
て｣
9
4
7
7
7
′D
7
0
4
7
Jb
8
1
(U
q′
5
つ]
7
7
′b
′D
7
′D
4
3
5
1
0
1
(U
O
6
7
7
7
7
7
つ血
凸0
5
3
1
2
00
5
3
4
7
′b
7
7
′D
n7
n7
00
∩フ
只U
3
7
′D
7
nD
3
4
00
′b
1
0
1
0
1
1
1
1
1
1
1
4
7
5
9
0
0
0
0
0
1
1
1
1
1
0
8
8
n7
5
1
0
0
0
1
l
l
l
l
l
3
9
凸7
3
0
1
0
0
1
0
1
1
1
1
1
5
5
1
1
0
2
1
1
1
l
l
l
l
l
39 2.1±0.17 1.8±0.14
42 1.5±0.13 1.4±0.13
52 2.4±0.19 2.1±0.17
44 1.7±0.15 1.5±0.14
60 0.9±0.14 D.8±0.12
つ一
〇
〇〇
〇〇
9
5
5
4
3
4
1
1
1
1
1
l
l
l
l
l
1.5±0.25 1.5±0.25
2.1±0.29 2.0±0.28
1.5±0.14 1.4±0.13
1.0±0.11 1.0±0.11
1.8±0.1る 1.7±0.14
48 1.5±0.14 1.3±0.12
43 1.4±0.14 1.3±0.13
37 1.2±0.13 1.1±0.12
43 1.4±0.13 1.3±0.12
54 2.1±0.16 1.8±0.14
9
7
3
4
Jb
4
4
4
4
つ山
l
l
l
l
l
1.6±0.14 1.4±0.12
1.7±0.14 1.6±0.13
1.6±0.15 1.5±0.14
0.9±0.13 0.8±0.11
1.0±0.14 1.0±0.14
4
4
7
1
1
1
0
0
0
±
±
±
4
一b
9
1
1
1
7
3
つ山
5
凸0
′0
1
1
1
1.2±0.1
1.6±0.1
1.6±0.1
Figure7:90srand137csinMi[k
-ApriI.1976toMarch,1977-
｢J如∂〃α1em/由/月〃∂/岬血Ce/硝河
1.Sapporo
2.Aomori
3.Akita
4.Sendai
5.Yama9ata
6.Fukushima
T.帖i卵ta
8.Nishikawa･maChit~~一日■▼■∫
■岩l■■'■■■∫
(Nishikanbara-gun)32.Onoiyo
蔓草鞋…ごi芸整15.Fukui
16.Katsuyama
lT.Na卵ya
柑.Kyoto
柑.Nose･maChi
fToyono･gunI
20.Osaka
21.Wak叩ama
22.Akashi
23.OkaYama
24.Yonago
25.Matsue
1500
♂
S【A OFJAIA柑
6
26.Yagumo･mura
けatsuka-gu両
2丁.Shobara
2乱 Hiroshima
29.Yamaguchi
30.Kochi
31.Ko9a･maChi
(Kasuya･gunI
38.Katsuren
~~-'~~~-~--叫-一十-･-叫--_叫_____′1 f
二.●王8二⊥′ニセ2了■`‥23●
ぺ3
町媒β
3
〃V
㌔
13
▲フ】
‥ノ/ゝ一
(封90srand13TcsinPowderedMitk.
〃如即甜em由/加∂ル由良佃rノ
Japan Chemica]Ana]ysIS Center hasana]yzed the
contentsofstrontium･90andcesium･137inpowdered
milk underthecommissionofScienceandTechnology
Agency･The samples were purchasedon the open
marketinTokyo fromthepowderedmilkproducers･
TheanalysISOfstrontium･
tentwasradiochemica"ycarri
appliedfortheanalys.soffres
ResuLtsobtaineddurlngtht
toMarch.1977areshowninl
Tabte9:90srand137csinPDWderedMilk
一月pr//.柑76亡0ルねrれ柑77-｢Co〃如u甜■加mT地/e∂′〃0.430r納血puム/血r/抑ノ
NameofProducer
June,1976
MORINAGA
YUKIJIRUSHI
WAKODO
MEIJI
October,1976
★:MORINAGA
MEIJI
YUKIJIRUSHI
WAKODO
★ MEIJI
Component
Ash(%I Ca(%) K(%) pCi/kg S･U･
2.46 0.327 0.576
8.36 1.30 1.96
2.4C O.343 0.518
2.52 0.318 0.612
3.12 0.469 0.690
5.16 0.782 1.25
21±0.5
29±0.8
23±0.6
5.0±0.28
20±0.6
53±1.0
6.4±0.1
2.2±0.0
6.8±0.1
1.6±0.0
4.3±0.1
6.8±0.1
8.32 1.34 2.01 32±1.3 2.4±0.1
2.45 0.307 0.588 8.8±0.45 2.9±0.1
3.09 0.562 0.677 22±0.8 3.9±0.1
2.42 10.384 0.460 18±0.7 4.6±0.1
2.18 0.288 0.530 4.7±0.34 1.6±0.1
8.08 1.23 1.84 66±2.0 5.3±0.1
★ SkimMilk
ADDENDA
(1)Strontium-90andCesium-137inFreshWater･
佃耶甜em正∂/月〃∂/四海C如硝叫
AddendumtoTable15No.440fthispublication
SamplingLocation Date pH90sr(PCi/史)
Fukushima,FUKUSHIMA
Suwa-lake,NAGANO
Dec.1976 0.14±0.00
Dec.1976 9.3 0.04±0.00
(2)Strontium-90andCesium-137inFreshWaterFish.
〃叩∂〃αTem/由/月〃∂/咋血C鋸焼山
Addendumto Table16No.440fthispublication
SamplingLocation Ash(%) (謁慧品90sr
Ca(%)K(%) pCi/kg S.U.
CyprlnuSCarPlO
Aug.1976
Fukushima,FUKUSHIMA
Hypomesusolidus
Dec.1976
Suwa-1ake,NAGANO
Carassiuscarassius
Mar.1977
Uji,KYOTO
3.30 28.2 6.62 51±1.5 5.5±0.1
2.61 24.1 9.52 6.1±0.45 1.0±0.0
4.25 31.8 5.02 88±1.7 6.6±0.1
