Event
- Event ID
- 1140
- Quality
- Description
- At a gas manufacturing plant, one pallet consisting of nine (9) cylinders fell to the ground. The discharge valve of one cylinder (261 cubic feet of hydrogen) was damaged and the entire hydrogen content was released to the atmosphere. The Incident occurred in open air, in a well ventilated area. Hydrogen was dispersed into the air without ignition , and no injuries or exposures were reported. The Local fire department was contacted to assess the site, and cleared incident without action.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- Leak No Ignition (No additional details provided)
- Macro-region
- North America
- Country
- United States
- Date
- Main component involved?
- Valve (Generic)
- How was it involved?
- Rupture
- Initiating cause
- Impact, Rollover, Crash
- Root causes
- Unknown (No additional details provided)
Facility
- Application
- Hydrogen Transport And Distribution
- Sub-application
- CGH2 cylinders
- Hydrogen supply chain stage
- Hydrogen Transport (No additional details provided)
- All components affected
- Cylinder Valve
- Location type
- Open
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Currency
- US$
- Property loss (onsite)
- 0
- Property loss (offsite)
- 0
- Post-event summary
- no consequence
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Released amount
- 24
- Presumed ignition source
- No ignition
References
- Reference & weblink
Incident E2011120137 of the US Pipeline and Hazardous Materials Safety Administration PHMSA: <br />
https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%… />
(accessed September 2024)
JRC assessment
- Sources categories
- PHMSA