The B-C Coroners Service says 59 year old Wayne Hornquist, 52 year old Lloyd Smith and 46 year old Jason Podloski after a workplace incident Tuesday.
It’s believed they were exposed to ammonia.
Hornquist and Smith were both City of Fernie employees.
Podloski was a contractor from Calgary who was conducting maitenance work on the arena’s refrigeration unit.
The Coroners continues to investigate the circumstances of these deaths to establish the facts and to identify possible recommendations to prevent future, similar incidents.
Other investigating agencies include WorkSafeBC, Technical Safety BC, the RCMP and the employer.
The investigation into the incident is still in its early stages and there are many unknowns surrounding the tragedy.
The families of the deceased have been notified of these deaths.