- 15Water samples of approximately 500 ml each taken at O,
25, 50,
100 and 300meter depths from five stations were
pooled on January 13,
1959,
filtered through millipore fliters
(pore size .45.) and the filtrates dried.
contained particle sizes greater than
-fgotopesadsorbed to the papers.
The filter papers
.451 plus the radio-
The radioisotopes with
particle sizes less than .451 plus those in solution were
found in the filtrate.
The results,
corrected to date of
collection (August 8 - 14), are as follows:
aa
ywi85
Station No. 3
>.45u
<.45,
Total
Station No. 31 >.45y
a/m/1
1,200
26,000
.
Zr9onp9S
d/n/1
100
160
27,200
260
wi85 4
gzrP5npy95
Rago
1 2/
d/m/1
Zr95Nb99
27,460
96/1
1, 300
26,160
12/l
160/21
€.45u
Total
1,700
1, 700
0
35
62
97
1,762
1, 797
. e7/l
18/1
Station No. 37 >.45u
0
24
eh
0
€.45u
Total
Station No. 38 >.45u
19,000
19,000
0
230
254
57
35
19,230
19,254
57
0
83/1
75/1
0
€.454
Total
32,000
32,000
210
267
32,210
32, 267
150/1
120/1
Station No. 39 ).45y
1,100
210
1,310
5.2/1
27,100
560
27,660
48/1
€.454
Total
26,000
On the date of analysis
350
26, 350
TH/1
(January 13, 1959), a major
part of the radiotungsten was either in solution or in a