CHECK OUT OUR MOST RELEVANT INCIDENT LISTINGS!
Disclaimer: The Lessons Learned Database includes the incidents that were voluntarily submitted. The database is not a comprehensive source for all incidents that have occurred.
The accident proves that under special circumstances, the potential hazard connected with unforeseen microbial gas formation and accumulation should not be neglected. Thus, to avoid new accidents at the paper mill described above, the tower has…
The lesson to pass on is that ventilation is critical in UPS battery rooms. Great care should be taken to ensure that the ventilation system is operational and brings in enough outdoor air to properly ventilate the enclosure.
Electrical…
In any event, the lesson that should be derived from this incident is the fact that the explosion could have been avoided either by using an inert gas instead of air across the diaphragm, or by monitoring the hydrogen concentration in the upper…
The lesson to pass on is that ventilation is critical in UPS battery rooms. Great care should be taken to ensure that the ventilation system is operational and brings in enough outdoor air to properly ventilate the enclosure.
Electrical…
The accident proves that under special circumstances, the potential hazard connected with unforeseen microbial gas formation and accumulation should not be neglected. Thus, to avoid new accidents at the paper mill described above, the tower has…
This incident highlights the need to properly design safety interlocks. These safety interlocks need to be carefully incorporated into the initial building/plant designs and should consider all of the unexpected occurrences, such as the…
The charging characteristics of a battery vary with the condition of the battery and are proportional to the ampere-hour capacity of the battery. During charging, when a battery is close to being fully charged, hydrogen and oxygen both offgas in…
Key:
- = No Ignition
- = Explosion
- = Fire
Equipment / Cause | Equipment Design or Selection | Component Failure | Operational Error | Installation or Maintenance | Inadequate Gas or Flame Detection | Emergency Shutdown Response | Other or Unknown |
---|---|---|---|---|---|---|---|
Hydrogen Gas Metal Cylinder or Regulator | 3/31/2012 4/30/1995 2/6/2013 |
4/26/2010 | 12/31/1969 | 3/17/1999 11/1/2001 12/23/2003 |
|||
Piping/Valves | 4/4/2002 2/2/2008 5/11/1999 |
4/20/1987 11/4/1997 12/31/1969 8/19/1986 7/27/1991 12/19/2004 2/6/2008 10/3/2008 4/5/2006 5/1/2007 9/19/2007 10/31/1980 |
2/7/2009 | 1/24/1999 2/24/2006 6/8/1998 12/31/1969 2/7/2009 |
10/3/2008 | ||
Tubing/Fittings/Hose | 9/23/1999 8/2/2004 8/6/2008 9/19/2007 |
1/1/1982 | 9/30/2004 10/7/2005 |
10/7/2005 | |||
Compressor | 10/5/2009 6/10/2007 8/21/2008 1/15/2019 |
10/5/2009 | 8/21/2008 | ||||
Liquid Hydrogen Tank or Delivery Truck | 4/27/1989 | 12/19/2004 1/19/2009 |
8/6/2004 | 12/31/1969 | 1/1/1974 | 12/17/2004 | |
Pressure Relief Device | 7/25/2013 5/4/2012 |
1/15/2002 1/08/2007 |
12/31/1969 | ||||
Instrument | 1/15/2019 | 3/17/1999 12/31/1969 2/6/2013 |
11/13/73 | ||||
Hydrogen Generation Equipment | 7/27/1999 | 10/23/2001 | |||||
Vehicle or Lift Truck | 7/21/2011 | 2/8/2011 12/9/2010 |
|||||
Fuel Dispenser | 8/2/2004 5/1/2007 6/11/2007 9/19/2007 |
2/24/2006 1/22/2009 |
|||||
Fuel Cell Stack | |||||||
Hydrogen Cooled Generator | 12/31/1969 2/7/2009 |
||||||
Other (floor drain, lab anaerobic chamber, heated glassware, test chamber, gaseous hydrogen composite cylinder, delivery truck) |
11/14/1994 7/21/2011 |
7/27/1999 6/28/2010 8/21/2008 |
12/31/1969 3/22/2018 |
6/10/2019 |
- = No Ignition
- = Explosion
- = Fire