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Clean Hydrogen Partnership

Release ina dispenser

Event

Event ID
396
Quality
Description
A hydrogen leak was detected in the dispenser pump causing the alarm to sound.
Event Initiating system
Classification of the physical effects
Unignited Hydrogen Release
Nature of the consequences
Leak No Ignition (No additional details provided)
Macro-region
Europe
Country
United Kingdom
Date
Main component involved?
Dispenser (Pump)
How was it involved?
Leak & Formation Of A Flammable H2-Air Mixture
Initiating cause
Unknown
Root causes
Unknown (No additional details provided)

Facility

Application
Hydrogen Refuelling Station
Sub-application
Hydrogen dispenser
Hydrogen supply chain stage
Hydrogen Transfer (No additional details provided)
All components affected
Dispensing pump in a re-fueling station for fuel cell buses.
Location type
Unknown
Operational condition

Emergency & Consequences

Number of injured persons
0
Number of fatalities
0
Post-event summary
The relief value was replaced.

Event Nature

Release type
gas
Involved substances (% vol)
H2 100%
Presumed ignition source
No ignition

References

Reference & weblink

Report were available & confidential, and now is lost

JRC assessment