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News Release

Health Department launches new video to promote KI tablets for area residents and businesses

WHITBY, ON September 18, 2017 - Durham Region Health Department is launching a new video to promote the availability of potassium iodide (KI) tablets for new residents and businesses located near the Region’s nuclear generating stations in Pickering and Darlington.

“This video is designed to be an easy, lighted-hearted way to help educate the public about the purpose of KI tablets and to build public awareness of the availability of the pills for residents and businesses located near the Region’s two nuclear generating stations,” said Ken Gorman, Director, Environmental Health with the Health Department. The video can be viewed on the Health Department’s YouTube channel at  

KI is a stable iodine salt effective in reducing the risk of thyroid cancer in the event of a radioactive iodine release. As directed by the Canadian Nuclear Safety Commission (CNSC), all homes and businesses within the 10-kilometre primary zone of a nuclear generating station must be provided with KI tablets. KI tablets are available free of charge and a supply should be readily available in each home or business that is within 10-kilometres of either the Pickering or Darlington nuclear generating stations.

KI tablets are to be used in the highly unlikely event of a nuclear emergency involving the release of radioactive iodine. KI tablets should only be taken when instructed by Ontario’s Chief Medical Officer of Health in the event of a nuclear incident.

In late 2015, the Health Department and Ontario Power Generation launched a campaign to implement the CNSC’s directive of providing KI tablets to all homes and businesses within the 10-kilometre primary zone of the Region’s two nuclear generating stations.

“The 2015 campaign resulted in the distribution of KI tablets to over 200,000 homes and businesses located in the primary zone”, explained Mr. Gorman. “The Health Department continues to promote this initiative to ensure that anyone new to the area is aware of the availability of KI tablets for their residence or business, and also to encourage existing area residents and businesses to confirm that they have their supply of KI tablets.” KI tablets are also available to anyone living within the 50-kilometres secondary zone of a nuclear generating station.            

Residents and business owners can confirm if they are located within the 10-kilometres primary zone by visiting and entering their postal code in the required field. The website will show their proximity to each nuclear generating station. Although KI tablets are not required for anyone residing between the 10 to 50-kilometres secondary zone of a nuclear station, the website will allow orders to be placed from anyone living within this zone.

To obtain a free supply of KI tablets or for more information about KI, visit, or call the Health Department’s Environmental Help Line at 905-723-3818, or 1-888-777-9613.

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Media inquiries:

Regional Municipality of Durham:
Glendene Collins – Health Department, 905-668-7711 ext. 2999,

If this information is required in an accessible format, please call 1-800-841-2729 ext. 3094.

For more information, please contact Health Department.