Probable Causes
Records categorized by the probable cause (event, situation, or condition that results, or could result, directly or indirectly, in an incident or near-miss) of the event.
- Abnormal Operations (10)
- Change in Procedures, Equipment, or Materials (1)
- Deficiency in Procedures (9)
- Design Flaw (22)
- Equipment Failure (77)
- Failure to Follow Standard Operating Procedures (20)
- Fault in original weld (2)
- Flammable Mixture in Confined Area (1)
- Hazard Not Identified in Advance (1)
- Human Error (26)
- Improper Fire Fighting Technique (2)
- Improper Purging Procedure (1)
- Improper Relief Valve Set Point (3)
- Improper/Inadequate Equipment Labeling (4)
- Inadequate Equipment (4)
- Inadequate Handling/Transporting/Storage Techniques (3)
- Inadequate Inspection (2)
- Inadequate Maintenance (17)
- Inadequate Management of Change (2)
- Inadequate System Monitoring/Oversight (1)
- Inadequate Venting Design (6)
- Incomplete Operating and Maintenance Procedures (12)
- Incorrect Engineering Hazard Analysis Calculation (2)
- Incorrect Standard Operating Procedure (4)
- Laboratory Clutter (1)
- Lack of Hydrogen Detection Equipment (5)
- Lack of Protocol/SOP (5)
- Management Planning Deficiency (3)
- Material Incompatibility (3)
- Non-certified Electrical Wiring (1)
- Unknown (1)
- Vehicle Collision (4)

