Scenario

01. Misjudgment
02. Misperception
03. Mis-Convincement
04. Carelessness
05. Insufficient Precaution
06. Carelessness of Operator
07. Organizational Problems
08. Inflexible Management Structure
09. Insufficient Education/Training
10. Malicious Act
11. Rule Violation
12. Safety Rule Violation
13. Planning and Design
14. Poor Planning
15. Poor Design
16. Bad Event
17. Chemical Phenomenon
18. Spontaneous Ignition
19. Secondary Damage
20. External Damage
21. Explosion
22. Bodily Harm
23. Injury
24. 2 person injured

Explosion caused due to air contamination during subdivision work of trimethylindium
Case Details

Knowledge Comment:
Insufficient information transmittion between shifts and insufficient confirmation of following shift generated an accident, but there is insufficient education behind.

Field Chemicals and Plants
Author ITAGAKI, Haruhiko (Japan National Institute of Occupational Safety and Health)
TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)