Scenario

01. Insufficient Analysis or Research
02. Insufficient Practice
03. Insufficient Image of Abnormal Situation
04. Poor Value Perception
05. Poor Safety Awareness
06. Inadequate Risk Recognition
07. Planning and Design
08. Poor Planning
09. Poor Design
10. Usage
11. Maintenance/Repair
12. Ibadequate Inspection
13. Failure
14. Abrasion
15. Erosion/Crack
16. Secondary Damage
17. External Damage
18. Explosion
19. Bodily Harm
20. Injury
21. 5 person injured
22. Loss to Organization
23. Economic Loss
24. Direct Monetary Damage 40 million yen

Explosion caused due to leak of niter as a heating medium in the distillation drum at a phthalic anhydride manufacturing plant
Case Details

Knowledge Comment:
Two materials, which must react if the direct contact of the two occurrs, were separated by only one thin plate. Are there any countrmeasure?

Field Chemicals and Plants
Author ARAI, Mitsuru (Environmental Science Center, The University of Tokyo)
TAMURA, Masamitsu (Center for Risk Management and Safety Sciences, Yokohama National University)