Table 1.
Characteristics of Isolated Particles
Particle
No.
Size
(um)
17153-06
-07
~08
~09
25
42
14
14
0.054
0.0077
34
0.035
~1l
12
0.14
-10
-12
-13
~14
8
58
dpm
(Continued)
239py (atoms)
1.0
1.4
6.3
6.4
0.0077
x
x
x
x
10°
10°
10!
10°
1.4 x 108
0.018
“23Py
(atoms/ym?)
1.2
3.7
4.4
4.5
x
x
x
x
10°
10°
10°
10°
5.3 x 10°
2.6 x 10°
1.9 x 10°
3.3 x 10°
2.2 x 10°
.
2.5
2.3
0.27
4.2 x 10!
5.0 x 10°
4.1 x 108
2
1
0.020
0.17
3.8 x 10°
3.2 x 10°
9.1 x 10’
6.1 x 10°.
~04
-05
45
5
0.047
0.013
8.9 x 10°
2.4 x 108
1.9 x 10°
2.4 x 10°
~07
~08
~09
16
12
2
0.053
0.47
0.040
1.0 x 10°
9.0 x 10°
7.7 x 10°
17154-01
~02
-03
~06
17
1.5
0.027
5.1 x 10°
0.040
7.7 x 108
* Highly irregular.
545
1.3.x
10°
2.9 x 108
3.1 x 10°
6.6 x 10°
1.2 x 10°