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Figure D1.2 Potential Sources of Major Accidents
Hazardous
No Location Hazard Event (Conditions leading to major accident) Potential Major Event
Substance
Dropped or damaged causing rupture of
1 Chlorine Room Chlorine Toxic Gas Release / Dispersion
weakened cylinder joint weldment / shelf
Dropped or damaged chlorine valve, causing
2 Chlorine Room Chlorine Toxic Gas Release / Dispersion
failure of valve
3 Chlorine Room Chlorine Corrosion and pitting of drum shelf or valve Toxic Gas Release / Dispersion
Chlorine Room
4 Chlorine Leak between tubing connector and header valve Toxic Gas Release / Dispersion
Chlorination Area
Chlorine Room
5 Chlorine Leak at the tubing connector Toxic Gas Release / Dispersion
Chlorination Area
