TABLE 3.9
RADIOCHEMICAL PROPERTIES OF ALTERED AND UNALTERED PARTICLES,
SHOT ZUNI
Quantity
Time
TSD, br
fissions/gm (x 10!)
fissigns/gm (x 104)
(counts/min)/10‘ fissions
Altered Particles
Number of
—
_
6
14
71
4
105
239
ma/10° fissions (x 107 1%)
71
4
239
1
§32
ma/10* fissions (x 107 *7)
105
ma/10* fissions (x 107!)
ma/10* fissions (x 107 #7)
(counte/min)/ma (x 1044)
(counts/min)/ma (x 10%)
(counts/min)/ma (x 10%)
3
1
2
3.8 + 3.1
4.242.7
9
24
0.34 + 0.06
0.013
3.4
1
1.7
72
105
5
4
1. £ 0.4
0.12
1
4
2
0.53 + 0.19
7
1
3045
481
0.090 4 0.12
0.033 + 0.035
4
0.35 + 0.08
0.054
2447
10
Value
Samples
3
238
Number of
Samples
(counts/min)/10‘ fissions
(counts/min)/10‘ fissions
(counts/min)/10‘ fissions
Unaltered Particles
Value
sil
1443
0.024
59 + 24
7
109 4 31
1
5.1
20
4
13
16 +2
9.3 + 2.0
8.6 + 1.5
6
6.2 + 1.3
* Calculated from activity ratios on the basis of particles analyzed for total fissions.
TABLE 3.10
ACTIVITY RATIOS FOR PARTICLES FROM SHOTS ZUNI AND TEWA
Shot Zuni
Activity Ratio
Altered Particles
Value
(counts/min)/ma (x 1044)
(counts/min)/104 fissions
ma/10‘ fiasions (x 107 !7)
14. 43.
16. 22.
0.35 + 0.08
0.054
24. 27.
3.4
Shot Tewa
Unaltered Particles
Time
Value
105
239
8.6+15
8.241.3
105
239
105
1.1 + 0.4
105
TSD, br
239
105
239
Time
Time
TSD, hr
11. +6.
96
0.38 + 0.12
239
105
239
0.18 + 0.02
37. +15.
97
172
97
DISTRIBUTION OF ACTIVITY OF YAG 40 TEWA
PARTICLES WITH SIZE AND TYPE
Percentof
Size Group
Value
TSD, hr
0.12
109. + 31.
20.
TABLE 3.11
All Particles
Composite
Total Activity
Percent of Size Group Activity
Irreguiar
Spheroidal
Agglomerated
microns
16 to 33
<0.1
23.4
76.6
0.0
67 to 99
6.0
46.4
37.5
16.0
34 to 66
220°
88.1
5.0
6.9
100 to 132
11.6
68.6
6.7
24.6
133 to 165
166 to 198
18.2
18.9
43.4
49.3
5.7
1.9
50.9
48.8
199 to 231
232 to 264
8.1
9.9
58.0
14.7
6.0
0.0
41.9
85.3
265 to 297
7.0
14.6
0.1
85.3
298 to 330
UL
18.5
0.0
81.4
331 to 363
0.7
_
_
100.0
2.2
97.7
_
_
364 to 396
397 to 429
1.7
_
0.0
_
430 to 462
0.6
23.8
76.2
0.0
463 to 495
496 to 528
_
3.4
_—
100.0
_
0.0
_
0.0
64