Table 8,
Radioactivity of five gamma-emitting radionuclides in sea water
collected in the vicinity of Christmas Island, March through August,
Depth
(meters)
0
|
an
Average*
Range
Number* *
25
Average
Range
Number
50
Average
Range
Number
100
Average
200
Average
Range
300
Values expressed in picocuries per liter of sea water.
Range
Number
65
6.9
4—13
(24/7)
21.
--
(11/1)
16,
4-27
(16/2)
74,
23-124
(15/2)
=~
——
Zxr-Nb?°
Cgl3?
36,
8.7
1-96
(24/16)
124,
28-180
(11/5)
90,
1-340
(16/10)
189,
7-590
(15/7)
---
1-22
(24/3)
9.0
--
(11/1)
6,5
4-9
(16/2)
9.0
Je1l
(15/2)
12.
1-23
RylO3
54.
1-330
(24/9)
570.
320-990
(11/3)
421.
5-1100
cel41,144
18,
2-46
(24/16)
86,
29-138
(11/6)
45.
23-91
(16/6)
(16/7)
393.
124,
19~800
(15/3)
9.0
-~
-2¢2-
1962.
3-270
(15/7)
--=
Number
(2/0)
(2/0)
(2/2)
(2/1)
(2/0)
Average
Range
Number
--(11/0)
305.
57-510
(11/4)
--(11/0)
642,
350-1400
(11/4)
90.
39-120
(11/4)
*Average of only those samples with activity greater than the background
count,
**Total number of samples/samples significantly greater than the back-
POFPOEE AEs”
ground count,