29
48
72
96
145
293
W-2-520
"$21
" 522
" 523
" $24
"525
" 526
533
tt
5/16
Date
1.86
1.71
2,11
1,64
1.34
1.90
1.71
1,02
1.01
1.06
1,04
1,05
1,04
1,05
1,00
1.00
1,05
1,05
1.03
1,01
1,01
3, 636
9, 502
736
2, 030
431
147
274
4, 499
3, 698
2,743
1, 449
1, 092
108
361
525
354
437
497
9, 498
791
4, 320
c/m
Decay
factor*
525
354
460
520
9, 800
800
4, 400
1,
1,
1,
1,
32,
2,
14,
?
730
170
520
720
300
640
500
15, 200
12, 210
9,570
4, 950
3, 800
370
1, 250
600
700
900
500
150
112
380
4,
3,
2,
1,
1,
a
300
000
120
000
910
924
1, 550
22,
31,
5,
11,
1,
6, 760
9,410
1, 550
3, 330
580
280
469
c/m
of
a/m**
At time
**Includes correction factor for self-absorption, geometry and backscatter (3. 3),
sf
1540
1600
1500
"
1600
1520
1635
1630
1757
1820
1815
1800
1808
0200
"W
0005
1
2310
"
2317
Hour
Initial count
*Calculated from decay curves
1t
W -3-527
" 528
' 529
" 530
" 531
532
0
30
50
75
100
150
300
25
50
100
200
300
(m)
W-1-513
" 514
" 515
" 516
"517
" 518
" 519
no.
Depth
Sample
a
. 350
. 900
(1)
Volume
collection
a
?
,
?
>
63,
62,
10,
22,
460
340
040
440
600
280
000
400
400
100
900
600
740
500
700
000
200
000
820
890
100
d/m/1
Correction factors used to convert
counts per minute at time of initial count to d/m/1 at time of collection,
Appendix Table G. Radioactivity of the water (particulate matter).
-46-