TABLE IV (cont.)
JTF-8 Off-Site Surveillance Network
Postoperational, Environmental and Food Samples by Island
Location
Type
Tutuila, Samoa
Date
Soil
Tutuila, Samoa
7/21/62
Grass
Tongatubu
7/31/62
Soil
Tongatubu
7/24/62
Grass
Tongatubu
Milk
Rarotonga
Rarotonga
Soil
Grass
Canton Island
Sail
nd
35,000
nd
Radionuclide Concentration
1-131
Ba-140
Cs-137
nd
nd
nd
nd
19, 000%
nd
nd
nd
9,000
nd
7,500
2,600
ond
1,000
7/21/62
7/21/62
nd
15,000
55
nd
nd
nd
7/20/62
-
600
nd
-
of wet weight
Ce-141,144*
7/24/62
7/24/62
.
Gross Beta
nd
10
-
nd
Trace
ZrNb-95
650
47,000
Trace
Ru-103,1%*
2,100
7, 500%
nd
nd
24,000
1,000%
nd
Trace
nd
nd
72
25,000
23°
2,000
nd
nd
1,100
580
42
20
190
nd
*If Ru and Ce activities are marked with an asterisk (*), the activity reported is assumed to be from the shorter
lived isotopes Ru-103 and Ce-141. Otherwise the activity is assumed ta be due to the longer lived isotopes Ru-106
and Ce-144,
Trace - Insufficient to quantitate.
nd - No detectable activity.
Ab
3
es
%
%2,
t.- :
PY