| Event Category | Incident |
| Event Group | Technology |
| Event Subgroup | Hazardous Chemicals |
| Event Type | Derailment Release |
| Place | Medonte ON |
| Event Start Date | January 1, 1982 |
| Event End Date | January 1, 1982 |
| Comments | Medonte ON, 1982. A train derailment leaking toxic chemicals required the evacuation of hundreds of people. |
| Fatalities | 0 |
| Injured / Infected | 0 |
| Evacuated | 200 |
| Estimated Total Cost | Unknown |
| Federal DFAA Payments | $0 |
| Provincial DFAA Payments | $0 |
| Provincial Department Payments | Unknown |
| Municipal Costs | Unknown |
| OGD Costs | Unknown |
| Insurance Payments | Unknown |
| NGO Payments | Unknown |
| Utility - People Affected | 0 |
| Magnitude | 0.0 |