Scenario

01. Poor Value Perception
02. Poor Safety Awareness
03. Inadequate Risk Recognition
04. Ignorance
05. Insufficient Knowledge
06. Insufficient Experience
07. Planning and Design
08. Poor Planning
09. Poor Purge Planning
10. Usage
11. Maintenance/Repair
12. Preoaration Work
13. Regular Movement
14. Careless Movement
15. Insufficient Recognition
16. Bad Event
17. Chemical Phenomenon
18. Burning
19. Bodily Harm
20. Injury
21. 4 person injured
22. Loss to Organization
23. Economic Loss
24. Manetary Damage 10 million yen

Fire of special material gas come into contact with air in exhaust piping at a semiconductor factory
Case Details

Knowledge Comment:
They did not know that pressurized displacement of the gas needs many hours. They opened piping to atmosphere after short period resulted a fire.

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)