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Understanding Radiation Safety – FREE Course

The Radiation Safety Institute of Canada is proud to offer its FREE online course, “Understanding Radiation”.

This 25-minute Radiation Safety Online course, developed in cooperation with the Ontario Workplace Safety and Insurance Board (WSIB), educates workers and other members of the public on matters concerning radiation and radiation safety.

Please click on the buttons below to launch the course in a new window, in both English and French versions. Due to the discontinuation of Flashplayer, the course plays as a video. Transcripts of the narration which are mentioned in the video are linked beside the corresponding course rather than within the course itself.

Understanding Radiation Course in English PDF

Une introduction au rayonnement – Le cours en français FDP


Please note the following error: On screen 14, we define the milliSievert (mSv) as one one-millionth (1/1,000,000) of a Sievert, which is incorrect. A milliSievert is equal to one one-thousandth (1/1000) of a Sievert. Also, in the English course the title on Slide 19/25 should read “Acute Exposure”.

You can contact us with any further comments and questions.


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