Contamination from Local Fallout
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Cesium’ excretion in ure of exposed Rongelap people {from Woodward et al 198G
Zn was first detected bv Miller (1957) mn 1957 in the seven Marshallese
examined by whole-body spectrometry. although it had been observed in high
concentrations in fish as carly as 1} vear following the detonation (Rinchart,
1955:. Body burdens of Zn in 1957, as measured directly, averaged 44 myc
for Rongclap mhabitants (figure 6), and 350 mpc in two Utink inhabitants.
Tasre 7. Estimation of body burden of Rongclap population by urinary excretion levels,
195$ (data from Woodwardct al, 1959)
Sr (muc)
eo
Body burden.
2. |.
Equilibrated body
burden. .
Exposed
.
Percent equiibrinm..
Daily take
2°
23
9
15°
Cem (myc)
Exposcd
Control
Zn(mac)
Exposed
Control
900
1,200
280
540
1,300
1,600
330
650
69
2(?)
75
wa
it
wl
73.7 Strontmim Units (SU1 determined by bone biopsy.
"15 SU assuming daily calcium intake = 1} g.
85
2.1
83
4.1