Event
- Event ID
- 100
- Quality
- Description
A small release of hydrogen occurred after the collision between a truck containing liquid hydrogen and a truck containing manganese dioxide on a highway. Due to the release, the traffic was interrupted for 4 hours and the safety system of the truck repaired.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- release, no ignition
- Macro-region
- Europe
- Country
- France
- Date
- Component involved
- valve (generic)
- Failure mode
- rupture
- Initiating cause
- impact, rollover, crash
- Root CAUSE analysis
INITIATING cause was the collision between vehicles. In absence of information on drivers, driver behaviours, and road conditions, the ROOT CAUSE is attributed generically to a human error (a wrong manoeuvre),
- Root causes
- Date entry in HIAD
- 28/02/2009
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- H2 delivery to customers
- Hydrogen supply chain stage
- All components affected
LH2 road tanker
- Process temperature range [C]
- cryogenic temperature (below -50°C)
- Process pressure range [MPa]
- low to medium pressure (below 2 MPa)
- Location type
- Open
- Location
- highway or similar
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
The hydrogen tank was isolated and its safety system repaired by specialists.
- Emergency action
Following the detection of a small leak, a safety perimeter of 600 m was created and the traffic was interrupted for 4 hours.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Probable IGNITION SOURCE
References
- Sources categories
- ARIA
- Reference & weblink
Original description of the event #31267 in ARIA database https://www.aria.developpement-durable.gouv.fr/accident/31267/ (accessed December 2025)
