A Review of Criticality Accidents A Review of Criticality Accidents

Table 10. Accident Fission Energy Releases
No. Site and Date
1 Mayak (R.F.)
15-03-53
2 Mayak (R.F.)
21-04-57
3 Mayak (R.F.)
02-01-58
4 Y-12 (U.S.)
16-06-58
5 LASL (U.S.)
30-12-58
6 ICPP (U.S.)
16-10-59
7 Mayak (R.F.)
05-12-60
8 ICPP (U.S.)
25-01-61
9 Tomsk (R.F.)
14-07-61
10 Hanford (U.S.)
07-04-62
11 Mayak (R.F.)
07-09-62
12 Tomsk (R.F.)
30-01-63
13 Tomsk (R.F.)
02-12-63
14 Wood River (U.S.)
24-07-64
15 Electrostal (R.F.)
03-11-65
16 Mayak (R.F.)
16-12-65
17 Mayak (R.F.)
10-12-68
18 Windscale (R.F.)
24-08-70
19 ICPP (U.S.)
17-10-78
20 Tomsk (R.F.)
13-12-78
21 Novosibirsk (R.F.)
15-05-97
22 Tokai–mura (Japan)
30-09-99
First Spike Yield
(10 17 fiss)
Fissile Volume
( l)
* System description was not adequate to estimate parameter.
Specific Spike Yield
(10 15 fiss/ l)
Total Yield
(10 17 fiss)
unknown 31.0 unknown ~2.0
unknown 30.0 unknown ~1.0
~2.0 58.4 3.4 ~2.0
~0.1 56.0 0.2 13.0
1.5 160.0 0.94 1.5
~1.0 800.0 ~0.1 400.0
unknown 19.0 unknown ~2.5
~0.6 40.0 1.5 6.0
none 42.9 none 0.12
~0.1 45.0 0.2 8.0
none 80.0 none ~2.0
unknown 35.5 unknown 7.9
none 64.8 none 0.16
~1.0 41.0 2.4 ~1.3
none 100.0 none ~0.08
none 28.6 none ~5.5
0.3 28.8 1.0 ~1.3
none 40.0 none 0.01
unknown 315.5 unknown 27.0
0.03 0.54 5.6 0.03
none * none 0.055
~0.5 45.0 1.1 25
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