Appendix Table H. Radioactivity of the water (filterable portion less K40),

Correction factors used to

convert counts per minute at time of initial count to d/m/1 at time of collection.

Depth
(m). .
0
3
29
50
100
200
300

Initial count
Date
Hour
c/m
5/16
2332
2, 757
"
"
1, 438
5/17
0025
1, 065
"
"
435
"
0200
327
"
0210
443
"
0200

Decay
factor*
1,42
2.02
1,72
1.72
1.72
1.72
1.72

W-2-520
" 521
'' 522
'" §23
'" 524
' 525
" 526

0
29
48
72
96
145
293

5/17
"
"
"
"
"
"

1828
1824
1919
1850
1915
1922
1913

3, 135
2,978
2,402
1, 180
404
337
588

W-3-527
" 528
529
"* 530
" 531
' 532
" 533

0
30
50
79
100
150
300

"
"
"
"
"
"
"

1630
1650
1705
1650
1645
1630
1645

180
273
200
198
1, 438
235
892

*Calculated from decay curves.

of

collection

Volume
(1):
. 100
. 100
"
"
"
"

c/m
3, 900
2, 900
1, 830
748
562
762

d/m**
15, 600
11, 600
7, 320
2, 990
2, 200
3, 050

1.05
1.18
1.18
1.02
1.18
1,54
1.09

3,
3,
2,
1,

300
040
830
200
477
520
640

13, 200
12, 200
11, 300
4,800
1, 910
2, 080
2, 560

080
"
"
"
"
"
"

1.31
1,03
1.10
1.10
1.02
1.10
1,10

236
282
220
218
1, 470
258
981

944
130
880
872
880
030
920

080
"
"
"
"
"
"

1,
5,
1,
3,

os **Includes correction factor for self-absorption, geometry and backscatter (4. 0),

d/m/1
156, 000
116, 000
73, 200
29,900
22, 500
30, 500
165, 000
152, 000 .
141,000 .
60,000. —
23, 900
26, 000
32, 000
11,
1i,
11,
10,
73,
12,
49,

800
100
000
900
500
900
000

-LYP-

Sample
no,
W-1-513
514
" $15
" 516
" 517
"518
"519

At time

Select target paragraph3