HIAD Sources Categories: OHSA
The event occurred at the factory producing multilayer circuit boards by a multistep dip operation. An employee inadvertently mixed 55 gal of 50 percent hydrogen peroxide into 110 gal of 30 percent…
An employee was preparing a batch of glycol stearate emulsifier in a vessel. Upon completion of product, the quality control lab reported that the pH was too high and the product needed to be…
Employees #1 - #3 were machinists that were in the process of trouble shooting a compressor which had hydrogen in the lines. No actual work was in process. They were only listening for obvious noises…
Two employees were working on a electric furnace under hydrogen atmosphere that had jammed. The furnace exploded. The employees sustained flash burns to their faces and were taken to the hospital,…
Employee #1, a maintenance worker, was killed by a hydrogen blast while working inside a batch hydrogenation unit.
The incident occurred at company producing specialised products for aerospace and aeropwer applications. An employee was operating an induction brazing machine under hydrogen atmosphere when an…
A hydrogen explosion occurred at a 585-MW coal-fired supercritical unit and caused one fatality, injuries to 10 other people, and significant damage to several buildings. The explosion occurred…
An employee was attempting to re-weld a lifting point on a brazing furnace cover. He was using a tungsten inert gas (TIG) welding machine to build up an attachment point on the cover when an…
Five barrels of aluminum dust that had been removed from an outdoor dust collector were sealed and stored in the plant adjacent to electrical panels. One of them had somehow been contaminated with…
A serious chemical accident occurred at chemical industry producing olephins and phenols. The accident resulted in injuries to several workers and extensive damage to the plant, as well as minor…
The event occurred at a company producing machines for water treatment for the food industry.A pressurized tank exploded killing two workers and shaking windows and ceilings at neighbouring companies…
At approximately 8:45 a.m. an employee was troubleshooting a thermal chamber, evaluating a Hydrogen on Demand (HOD) unit. The chamber was reported inoperative that morning. Two units were being…
Employees were refilling a rack of 15 hydrogen cylinders that were connected together on a steel pallet with railings. A leak developed at a valve and the pressurized hydrogen ignited. Operations…
According to the media news, the accident involved an explosion of a fuel cell driven forklift during driving, resulting in an employee's death and 6 light injured other employees. The fire did not…
Maintenance works were ongoing after an outage at a turbine and generator unit of the plant. Fifteen maintenance mechanics were working at that time on the unit. An access cover was removed causing…
Three workers were working in the sulfur recovery unit (SRU), trying to restore the hydrogen flow. The workers were trying to isolate the cause of a flow problem: hydrogen was entering the…
On may 23, 1984 between 8:50 and 8:55 pm, employee #1, a dye beam operator, was drawing concentrated sulfuric acid into a plastic pail. He added to this pail the contents of a "drip pail" which had…
Employee #2 was using a torch to cut a U-bolt on the bypass piping next to a brine surge tank that potentially contained hydrogen gas in a vapour space in the upper portion of the tank. His job was…