Chapter 6
nytg
SUARY
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Significant exounts of betaend euma activityvere fond a‘the
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tiooues of Harsha Island fishand narine Javertebrates‘collected 28year
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6.1. Gonclustons
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folloving exposure to the fall-out fros Cperation CASTLE, The highest cone oo
centrations of internally deposited activity was found inn:
ravine epoetnens
teken froa’‘the porthern Roagelap Lagoon} lover concentratieng of tutersal
activity vera found in specincas fron the southern lagbone “the ont, clans
end snails couteined considerably Ligherctacentrattons of redtomelidestien
vere found tn the fishfron the sanerede, Hoot of theectivity48the |
rarine specimens vas contributed, by.2493.109 ard Ru1085pos, thorsveea
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no> fractionation of669.5559 ta the tHesue of the Piss analyzed, e
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. we|-Radloactivity vas found in all food plants on the contaninated a o
| solants. Supporting plant systens also contataca a large reservoir of |
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ectivity ‘available for future incorporation into the plants, aoO “
inches of soil with movereat dova tothe leng water‘foatesteds tha activity =
isbeing slovly leached off the tslaatsbyocesn tides.“thdmajorrdtce -
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“peswhats,
a Residual soil contasination was primarily contained inths top e2ve
yer |
macliée found in the land food plents and in tho tissues ‘ofJat enicsls
was Cat3T,
The legoon enviroment contained prinatpally rare earth group
elezents, Ru206_—y106, ana 2795-1095,
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The anount of activity in the specinens enalyzedweg generally
proportional to the external gam reading in each of ths areas.
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