Alberta Occupational Health and Safety has filed eight charges against Guillevin International Co, an electrical wholesaler headquartered in Montreal, Canada. The charges follow a fatal workplace accident on 21 October 2024 in Edmonton, Alberta, Canada, in which a worker died during a leak test on a cylinder under high nitrogen pressure. The case has yet to go to court; there has been no conviction or finding of guilt.
What happened
According to reporting by Canadian Occupational Safety, on 21 October 2024 the worker was filling a large cylinder with nitrogen under high pressure to check it for leaks. During that test, the cylinder’s end cap broke free and struck the worker, who died as a result. The charges allege that no cage or other guarding had been placed around the cylinder and that no pressure-relief valve was present. An exact address or the name of the Edmonton site has not been disclosed in reporting.
Charges
Alberta Occupational Health and Safety (OHS) has filed eight charges against Guillevin International Co under the Alberta Occupational Health and Safety Act. The charges fall into three categories: that the employer failed to protect the worker from a flying object, due to the lack of guarding and a pressure-relief valve; that the equipment was not used or maintained according to manufacturer specifications; and that the worker was exposed to a potential hazard in the so-called “line of fire”, the immediate danger zone of a potentially ejecting object. Exact statutory provisions or section numbers are not stated in the available reporting.
On a first conviction, a company can be fined up to $500,000 Canadian dollars per violation; individuals can face up to six months in prison, though that does not apply to a corporation. Alberta OHS must file charges within two years of an incident. The first hearing is scheduled for 3 December 2026 at the Alberta Court of Justice in Edmonton. No ruling has been issued at this time, and there is no conviction or finding of guilt; Guillevin International Co is accused, not convicted.
In a statement, Guillevin International Co called the incident “a tragic accident”. The company said it has co-operated fully with the occupational health and safety authorities and will continue to do so. It offered no further comment, “out of respect for the family and everyone affected by this tragedy”.
Prevention and regulation
An official, completed investigation report with conclusions on the cause has not yet been published; in Alberta, such reports typically appear only after the court proceedings have concluded. General Canadian standards for the safe handling of pressure vessels and cylinders do apply, and are presented here as background; they are not official findings about this specific incident.
The national CSA B51 standard (“Boiler, pressure vessel, and pressure piping code”) sets requirements for the design, construction, inspection and maintenance of boilers, pressure vessels, pressure piping and cylinders in Canada, including periodic inspection of high-pressure cylinders. Provinces and territories give this national standard a legal framework through their own legislation. In Alberta, the design, construction and inspection of boilers and pressure vessels are regulated under the Safety Codes Act, administered by Alberta Municipal Affairs together with the Alberta Boilers Safety Association (ABSA); putting a pressure vessel into service requires an inspection certificate or permit.
Context
Regardless of the outcome of this case, the underlying risk is not limited to Canada: wherever employers carry out pressure tests on gas cylinders, a failing component can be ejected with great force. The general preventive measures referenced in the charges and in Canadian standards, namely guarding during testing, pressure relief, and periodic inspection of high-pressure cylinders, are therefore also a relevant consideration for companies outside Canada. The Canadian CSA B51 standard and Alberta regulations are referenced here as general context on pressure vessel safety. They say nothing about the cause of this specific incident and are separate from the charges, which are still pending.
Source: Guillevin International Co faces eight OHS charges in fatal Edmonton pressure-test incident, 27 October 2026
Additional research: CSA B51:19 Boiler, pressure vessel, and pressure piping code, Alberta Government — Boilers and pressure vessels codes

