LABORATORY OF RADIATION BIOLOGY
UNIVERSITY OF WASHINGTON
Strontium-90 cond Total Calcium in Tacca Collected
at Rongelap Ato.
Sumimary Table
gr20
Date
Island
Tissue
collected
samples
"Stron-
Ca
Number d/m/g
mg/g
wet
tium
wet
Limit ¢
detecta
bility
d/m/g
units"
wet
whoie corms
Oct. 1955
1
1.2
Rongelup whole corms
July 1956
July 1957
1
1
2.5
0.5
Aug. 1958
1
7.91
Mar. 1958
1
0.445+ 015 0. r66t. bg
Mar. 1959
5
o.26to (ts
neeis
Mar. 1959
Aug. 1958
L
1
whole corms
Mar. 1958
Aug. 1958
Kabelle
Eniaetox«
R1lc2
1100
5800
1
1
3.85
12.94
0.48
1.87
3600
3200
Mar. 1958
Aug. 1953
1
l
Lil
(2)
1.3740. 37
0.67
peels
Mar.
13938
1
6.18
0.66
whole corms
Mar. 1358
1
2
(yy
g.33ti-16
2.0
centers
Mar. 1253
Aug. 1958
i
2
3
0. 3ato' sg, ,9-31t0-Hi
Mar. 1958
Aug. 1958
i
2
3.940. 4 ,,, 0.927.034, 2000
8.1470.15 1.5070. 08
2500786
peels
195
12.34
1.50
(3)
1. 68
4%
1.4sto {td
4.32t0. 212. 87t0. 0X1)
(3)
(1) Standard deviation
(2) Not yet done; results will be available later
(3) Averages of separated determinations made at different times, errors
i
8000
0. 42
1.46
Aug.
.
3
1210T10
1.02
18.53
1
2.76
3)
giver are standard deviations.
(4) The large difference between two strontium unit values is due to widely
differing calcium values. The determination of calcium in this sample
is being rechecked.
oco;eo
(2)
. 08
.13
. 19
. 62
ooo
1.00
2400tb¥o
Aug. 19538
i
0.19
Jai
1
0 o67t. 6s
centers
Aug. 19538
1.12
340
306
2600
3600
17
.41
. 09
.92
1.58
oO
centers
1
3.3
0.75
.37
. 63
o oO
March 1958
0.10
490
0.36
4300
7400
1.05
4.58
350
26007580
0.36
0.50
(3)
134071170
2300753
0. 3(4)
0.75
(2)
.7
. 64
oOo
Labare Jj