Radiological Concerns
The srimary radiological proolems are <n@ tesult of residual fission and act:vacion oreduccs ia ine
tarresttial environment.
They aave Seen wdentiiiad sv orevious anvironmencal surveys as follows:
+
saema. cadiarion leveis significanc:y aighert cn some .slanas in an acol. :cmpared to Levels on Ligneiy
gmtaminatea :siamas.
2) Flasion and activation 2reauct radioactivity in tertain tarteasetial food rams
now growlag an .silanas of “hese acoll3s and cne s0ssio.1licy inac umacceotania levels of =nese radionuclides
wav accear .2 isods, slants and animals “ewivy wacreduced inco chese acoils.
3) Raatoacezviry ia the
ground vatar,
wscecdves
a sossi3le gource ot irinking water ana wacer for .wrrigation.
=) 2lucsonium and ameticiun
.4 he surface 301..
These factors are illustracea ov data .n Taples 1. througn 4 taken irom
previcus Tadsolcgicai survey cesorss.
Table ..
JSamma Radiation Races in 3ikiar atoll.”
“sR RT
T3land
3ixuar
deathered areas
Close to snere
island cancer
dot specs
Zneu
Yam
fxposure race
Aanzea
.JL0",.29
-310+,0306
.920-.9460
-050-.080
-J80-, 120+
.202-,010
CL0=. 330
Ma19r tentribuciorg
wads
137
*"" 34,
30rg 777 25
Jucer edge
island cencer
4.2. comer
3okancuac, Lomelaa,
Rojkera, Sonjedi
Agrokaj}edmenmman complex:
aAeroka), Aeroxajlol
ikdria, Sala
.310-.030
.9i5=.150
219-330
.0093-.010
we
-JGL-,310
.006=,I10
.
“~
belied
Zast Zneman
dest Zneman
-001=,010
3204,570
Zneman
faidetk
Ease laidrik
wese Zaidrixz
“uke
ceiLece
oreken
Jo0kaecckrok
3onedrolul
Jokbaca
Acmen-:rotj complex:
Aowen
Lomilik
Jdrik, I[reij
.
1201+. 570
'903+.235
.203~.930
-O10-. 235
-260~. 200
1
'
'
'
$0... +255, 102m,
_
*
60
.805=.020
3
010,040
=“
.020-. 330
A
50-5, 7755, 102m,
060,150
-OLS~,045
.O10—,935
929,050
.O12<.030
.
Weg, 7554, 192,
137
ca, °"
Cs
125
Wee, “sb
jee caf. 3.
"0 soil sample or field spectra measurements.
7a some cases, the predicted doses and dose coumitmencs derived from survey information for 3ikini
and inewerak Acolls approach or even exceed nacional and incernacional radiacion
cattaig Living and dietaxy pacterns. Corrective actions or rescriccions musc Se
acolls and cheir resources to assure chac che aopiicadie radiation scandaras are
lies the orimary iuseificaeion for che conaciautag environmencal followup surveys
procection standards for
slaced on use of Chesa
noc exceeded.
Jere:a
soonsorad by 20a,
Egvirommental Monitoring
Tne zost important sources of exposure to seopvle Living on Yongelap end to fucure vesidenes of 3ikini
and Enewetak Acolls are 2rem internal decvosicion of radioisotopes from cartain elements in che Auman
diet, and from che iong cerm occupancy of islands Aavinog external radiacion dose rates higher than
natural jJackground.
Aside Grom seriodic re-evalustions co estaolish crends in external dose race
reduction, external radiation monitoriog vill assume less significance, comoared co monicoring of the
Food cnain, a8 time passes. Af prasenc, annual visics are being made co identity and collect representat.e samples of local diets for laboracory mialysis and dose cowmrment upcates.
New locaily
grown cod ‘tems are Secoming avarlaoie in smail quamticies on Sikiat (sland as a resuic of she exper:-
sental agriculcural sraccices of a small group of carecaxer families iiving thera.
Veisher 3ikini Acoli,
where tadiologicai cleanup has Seen completed, tor inewecax Acoil where clean up has sot yet Seguo,
have 2 supsistence agriculcure resource ia >e1ng which is suffictenc co support che anticigaced sopula-
tions «smicn will one cay live chere (though 3sucn crops are currently being developed or planned).