Environmental Engineering Reference
In-Depth Information
TABLE 18.2
Relative Content of Radionuclides in Aerosol Particles above the Reactor of the Fourth Block of the Chernobyl NPP in
April-May 1986
April
May
26
28
29
1
2
3
4
8
14
15
16
17
18
19
An-30
Mi-8
Mi-8
Mi-8
Mi-8
Mi-8
Mi-8
Mi-8
An-24
Mi-8
An-24
Mi-8
An-24
Mi-8
An-24
An-24
Mi-8
An-24
131
I
39
31
11.6
81
68.4
100
17.6
19.6
35.4
—
4.2
—
8.8
1.8
1.7
3.2
—
3.7
132
Te
34.7
6.9
0.92
6.2
103
Ru
5.2
12.7
8.3
13.4
58.7
37.2
8.4
14
10.3
11
8
48.7
36.9
106
Ru
1.7
4.6
2.5
5.1
20.6
1.3
1.1
7
4
3
2
13.5
11.4
134
Cs
1.3
1.3
0.65
31.8
0.37
3.4
1
2.7
0.35
0.46
13.5
0.62
137
Cs
2.6
2.5
1.9
3.3
68.2
1.3
8.2
2.5
5.8
0.87
0.93
24.3
1.5
95
Zr
3.9
12.7
34.7
15.8
12.3
5.3
18.3
18.4
12.6
16.4
16.8
23.5
8.3
95
Nb
16.3
28.1
19
15.8
17.6
2.4
21.6
24.2
22.3
21.2
30.2
33.2
13.5
141
Ce
3.5
13.6
7.4
18.4
2.6
16.8
27.6
11.6
22.7
13.8
12.3
7.1
144
Ce
3.9
9.1
5
12.3
1.5
6.2
18.4
9.1
15.2
14.2
12.3
7.4
140
Ba
4.3
2.6
8.4
8.3
6.6
3.1
2.5
140
La
0.9
12.5
2.8
1.5
1.3
1.2
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