Skip to main content
Clean Hydrogen Partnership

A damage to a hydrogen cylinder

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