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Environmental Emergencies

Statistics

Environmental emergencies resulting from a leak, explosion, fire or release of a hazardous substance can happen at any time of the day or night, in any region of Canada. It is important to collect information from these events to help determine their cause and the effects they have. This information also helps emergency response organizations design more efficient clean-up methods.

Complete, accurate data allows for trends to be identified with increasing reliability, making them more effective indicators for preparedness, prevention, response and recovery strategy development and for performance measurement of policies and programs.

Environment Canada published the Summary of Spill Events in Canada: 1974-1983 [ PDF 1.88 MB ] and the Summary of Spill Events in Canada: 1984-1995  [ PDF 722 KB ] ( Poster  [ PDF 136 KB ]). Some of the statistics from the 1984 - 1995 report indicated that 44% of spills are less than 1 tonne; and 2% are greater than 100 tonnes. As well, of the total number of reported spills, oils account for 58%, chemical products 24%, and wastes and effluents 18%. The following charts provide a detailed breakdown.

Distribution of Frequency of Spill Size in tones from 1984 to 1995:

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Sources of Spills in the Chemical Sector

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Environmental Emergencies Program
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