TABLE B.21 GAMMA-RAY PROPERTIES OF CLOUD AND FALLOUT SAMPLES BASED ON GAMMA-RAY
SPECTROMETRY (NRB)
Cloud samples are particulate collections in smail pieces of filter paper. All fallout samples are aliquots of OCC
sample solutions except those indicated as solid, which are aliquoted undissolved, by weight.
Sample
Designation
Age
hr
Number of
Fissions
Ne
.
mr/hr at 3 ft, (SC), for
Average
Energy
=
kev
By Line
E
N¢ fissions/ft2
By
E
Error
Total
Photons
Using E
per sec
pet
_Photons/sec
10fission
x 106
Shot Cherokee
Standard cloud
sample
1
2
3
4
5
6
?
8
9
10
11
53
74
98
166
191
215
242
262. 5
335
405. 5
597.5
8. 82 x 10/2
294
299
310
337
379
391
417
446
490
509
626
20. 64
17.18
11. 94
7. 88
6. 36
5. 82
5.00
4. 44
3. 46
2. 85
1. 82
21.15
17. 66
12.15
8. 36
6. 87
6. 24
5. 40
4. 81
3. 81
3.10
1. 98
2.47
2.79
1.76
6.09
8. 02
7. 22
8.00
8. 33
10. 12
8.77
8.79
11. 62
9. 65
6.53
4.04
2.91
2.59
2.10
1.75
1. 26
0.99
0. 52
1.317
1.094
0. 740
0. 458
0. 330
0. 294
0. 238
0. 198
0.143
0.112
0. 059
53
69
93
117
192
242
454
790
1,295
9. 84 x 10!2
47?
413
422
433
437
485
589
624
559
62. 47
49. 92
37. 90
28. 45
16. 71
13. 05
6. 28
3.29
1.56
67. 36
52. 89
39. 64
30. 12
17. 78
14. 03
6. 84
3.52
1.65
7.83
5. 95
4.59
5. 87
6. 40
7.51
8. 92
6.99
6. 45
22. 98
20. 82
15. 28
11. 31
6. 62
4.71
1.90
0.93
0. 48
2. 335
2.116
1.553
1.149
0. 673
0.479
0. 193
0.095
0. 049
240
1.00 x 104
210
1.72
1.73
0.58
1. 34
0. 134
266
362
459
790
983
987
1,298
1,728.5
2, 568.5
2,810
3.71 « 1044
(solid)
419
480
508
606
731
706
710
706
711
731
181.18
110. 18
105. 62
$1.07
53. 46
49. 24
38. 09
28. 41
18. 85
14. 50
193. 33
119. 14
113. 95
54, 87
56. 63
51. 89
40. 91
30. 05
19. 60
16. 02
6. 71
8.13
7. 89
7.44
5.93
5. 38
7.40
5.77
3. 98
10. 48
74. 98
40.4
36. 29
14. 83
12. 87
12. 21
9.58
7.07
4. 60
3. 65
0. 202
0. 109
0.098
0.040
0. 035
0.033
0. 026
0.019
0. 012
0. 010
359
460. 5
981
1, 608
9.29 x 1044
(solid)
318
385
610
646
10. 66
8. 31
4. 38
3.54
11. 38
8.73
4. 53
3. 64
6.75
5.05
3.42
2. 82
5. 82
3. 69
1. 20
0.93
0. 080
0.051
0.016
0.013
383
458
982
1, 605
5. 08 x 10!
444. 76
457.16
656. 58
695. 12
12. 92
9. 43
4. 49
3.47
13. 79
10. 07
4. 76
3. 60
6. 73
6. 79
6.01
3.75
5. 05
3.58
1.2
0. 86
0.10
0.070
0. 024
0.017
Shot Zuni
Standand cloud
sample
1
2
3
4
5
6
7
8
9
How F-61
1
2
YAG 40-B-19
2
3
4
5
6.
6
7
8
9
10
How F-67
1
2
3
4
TAG 40-B-6
1
2
3
4
460
,
|
247
0. 64
237
0. 65
1.56
0.43
0. 043
PAS AIS than a3sb Selered