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°

Select target paragraph3