What part of Canada? What kind of workplace? What was the accident?
Some young women were Farmerettes in WW2 Canada:https://www.readersdigest.ca/travel/canada/farmerettes-forgotten-heroes/https://www.cbc.ca/news/canada/saskatchewan/farmettes-second-world-war-1.6892924Tony
If you believe that the event occurred in New Brunswick, you should try searching the provincial vital statistics database.https://archives.gnb.ca/search/visse/default.aspx?culture=en-CAYou may also be able to find something in a newspaper. I know MyHeritage has historical Canadian newspapers as well as several other sites such as ProQuest (not sure this site has New Brunswick papers but they do have many others).