The Hydrogen Incident
and Accidents Database
European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre

This data is from the European Hydrogen Incidents and Accidents database HIAD 2.1, European Commission, Joint Research Centre.

Hydrogen Leak Triggers Alarm at Dispenser Pump
A hydrogen leak was detected in the dispenser pump causing the alarm to sound.
Event Date
January 8, 2012
Record Quality Indicator
2
Region / Country
European Union / United Kingdom
Event Initiating System
Hydrogen System Initiating Event
Classification of the Physical Effects
Unignited Hydrogen Release
Nature of the Consequences
Leak No Ignition
Causes
Material/Manufacturing Error
Facility Information
Application Type
Hydrogen Refueling Station
Application
Hydrogen Dispenser
Specific Application Supply Chain Stage
Hydrogen Delivery, Transfer
Components Involved
Dispensing pump in a re-fueling station for fuel cell buses.
Storage/Process Medium
Gas
Location Type
Unknown
Location description
Unknown
Operational Condition
Unknown
Pre-event Summary
A hydrogen leak was detected in the dispenser pump causing the alarm to sound.
Currency
EUR - Euro
Lessons Learned
Unknown
Event Nature
Emergency Action
The relief value was replaced.
Detonation
No
Deflagration
No
High Pressure Explosion
No
High Voltage Explosion
No
Source Category
Internal report
References

Report provided but confidential

This material was prepared as an account of work sponsored by an agency of the United States Government.
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