HIAD Causes: Unknown

A hydrogen tank exploded and caught fire at a chemical plant.

A mixture of mainly carbon monoxide and hydrogen was released from a pipeline transferring process gases in a not further specified unit of a chemical plant, generating a flammable mixture which…

This near miss occurred at a depot site with 20 fuel cell buses are operated by a local bus company. A hissing sound was heard coming from a hydrogen tank at the refuelling facility, and the local…

A hydrogen explosion happened at a chemical plant in Cheshire, UK where 18 tons of hydrogen gas went up. The firefighters were on the scene tackling the fire quickly and efficiently.

In a chemical plant , a process gas leak (4% ammonia and 88% hydrogen) occurs during a purge operation. The cloud of gas ignites and explodes. An employee is killed.

The fire developed on one of two naphtha crackers The rupture of the reactor made that the hydrogen, petroleum products and the pyrophoric catalyst came outside the reactor. The mixture immediately…

During maintenance work on a gas pipeline carrying hydrogen , a worker hears a leak at about at a bridge. The operator measures an concentration of 3% of the low flammability limit at few…

Fire due to hydrogen gas leakage.

A leak of 700 l of gaseous hydrogen was detected around on a connection of a rack of cylinders on a trailer truck, in aircraft plant (classified Seveso, lower tier).

The incident occurred in a plant producing organic chemistry products. Hydrogen leaked briefly from an hydraulic valve. There has been no victim.

A hydrogen safety sensor went into alarm at a hydrogen demonstration facility. The early morning temperature was near freezing and there was a trace of precipitation on exposed surfaces. Upon further…

The leak occurred on the inlet pipe (P=21 bar, T=320C) of the diesel desulfurization reactor of a refinery. Hydrogen and diesel fuel were released in the gas phase. The hydrocarbons contaminates…

A hydrogen leak was reported at a chemical plant.

A liquid hydrogen leak occurs on one of the cylinders that a truck was carrying. After the leak was stopped, the vehicle was escorted by the fire brigade and taken to a laboratory for inspection.

A truck carrying 300 cylinders of hydrogen ran off the road and overturned in a nearby field causing 1 casualty. The fire fighting were on site, the truck was lifted back in the right position

Explosion in an open road. 6 people suffered minor burns on faces or hands.

Around 60 people gathered in a small theatre at a shopping centre to watch an array of scientific experiments, including a "small hydrogen explosion."Several children suffered second degree burns…

A severe fire in a hydrogen compressor building in a unifier unit of an oil sands refinery reportedly started in a 1,500 psi lube oil system. Fire fighting was difficult because of 40 degrees F…

A small hydrogen leak occurred during routine maintenance on an oil refinery unit not in operation.

Static electricity ignited hydrogen in a rising advertising balloon.