HIAD events | Clean Hydrogen Knowledge Hub

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08/11/2001
United Kingdom

Explosion in a metallurgy plant

Event ID: 206
Quality: 5
Application: Steel and metals industry
Component involved: reactor / oven / furnace / test chamber
Hydrogen supply chain stage: Unintended hydrogen production - chemical reaction
Nature of the consequences: explosion
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 20/01/2025

07/01/1975
United States

Manual venting from a LH2 tanker in transit

Event ID: 205
Quality: 3
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: near miss
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

22/05/1994
United Kingdom

Fire in a refinery

Event ID: 204
Quality: 4
Application: Petrochemical industry
Component involved: reactor / oven / furnace / test chamber
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2018

06/01/1975
United States

Manual venting from a LH2 tanker in transit

Event ID: 203
Quality: 2
Application: Hydrogen transport and distribution
Component involved: valve (pressure building)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

23/12/1974
United States

Manual venting from a LH2 tanker in transit

Event ID: 202
Quality: 2
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: near miss
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

09/01/2000
Poland

Fire in a refinery

Event ID: 201
Quality: 2
Application: Petrochemical industry
Component involved: heat exchanger (flange)
Hydrogen supply chain stage: Hydrogen as process gas
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 28/02/2009

04/12/1974
United States

Release from a LH2 tanker in transit

Event ID: 200
Quality: 2
Application: Hydrogen transport and distribution
Component involved: LH2 tank (road tanker)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 20/01/2025

30/04/2007
Germany

Fire on a CGH2 bottles truck

Event ID: 199
Quality: 2
Application: Hydrogen transport and distribution
Component involved: valve (generic)
Hydrogen supply chain stage: hydrogen transport
Nature of the consequences: explosion followed by a fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 08/12/2024

30/06/2000
United States

Fire in a refinery

Event ID: 198
Quality: 3
Application: Petrochemical industry
Component involved: pipe (generic)
Hydrogen supply chain stage: hydrogen local supply
Nature of the consequences: fire
Classification of the physical effects: Hydrogen Release and Ignition
Date entry in HIAD: 01/01/2021

05/07/2000
France

Release in a metallurgy plant

Event ID: 197
Quality: 3
Application: Steel and metals industry
Component involved: CGH2 cylinder(s)
Hydrogen supply chain stage: hydrogen storage
Nature of the consequences: leak no ignition
Classification of the physical effects: Unignited Hydrogen Release
Date entry in HIAD: 01/01/2021