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
- leak no ignition
- Macro-region
- Europe
- Country
- France
- Date
- Component involved
- valve (generic)
- Failure mode
- rupture, no ignition
- Initiating cause
- impact, rollover, crash
- Root CAUSE analysis
INITIATING cause was the collision between vehicles. In absence of information on drivers, driver behaviours, and sreoad conditions, the ROOT CAUSE can be attributed generically to a human error (wrong manoeuvre)
- Root causes
- Date entry in HIAD
- 28/02/2009
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- LH2 tanker
- Hydrogen supply chain stage
- All components affected
LH2 Truck
- 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 small leak of hydrogen detected , a safety perimeter of 600m was created and the traffic is interrupted for 4 hours.
In-depth data
- Release type
- Liquid
- 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)