Variety of spills and fires including (not a comprehensive list):

• April 1985 - spill near Kenora, Ontario resulting from a leaking transformer being transported to Swan Hills, Alberta storage site. The amount leaked was about 400 l. of contaminated oil over +/- 220 km. This was a decisive event in PCBs be recognized by Canadians as an environmental threat. It received all the more media coverage since it occurred during a provincial election campaign. This incident catalyzed the development of a national PCB action plan.
• 1988 - fire in a PCB waste storage warehouse in St. Basile Le Grand Quebec that caused an evacuation of 3000 people for 17 days. Largest uncontained PCB fire worldwide.
• 1993 - A truck carrying PCBs to the ASWTC * spilled 200 litres along a stretch of the Trans-Canada highway in northern Ontario.
• October 1996 - ASWTC* incurred an accident, releasing an estimated 5 kg of PCBs into the environment.
• January 24, 2003 - City of Edmonton, Alberta charged as a result of PCB exposure resulting from the explosion of lights in the Commonwealth Stadium during the 2001 track and field championships. Alberta Environment laid the charges claiming 5 separate leaks (2001 Aug 3, 4, 5, 8, 12), 2 while people were in the stadium. The 1st 4 leaks failed to be reported till Aug 9th, 2001.