Is there a nuclear waste site at the heart of Canada’s wildfires ?
Just south of the Canadian city of Fort McMurray, in an area partly ravaged by flames, sits a nuclear waste site.
Situated at the extreme north of the Beacon Hill landfill tip, it contains roughly 42,500 meters³ of radioactive minerals, including uranium and cesium.
But does it pose a threat to society today?
According to reporter Renaud Gardette, for Euronews.com the radioactive site lies directly in the middle of the huge wildfires, blazing uncontrollably since May 1.
Why was the landfill created?
To understand the origins of the landfill site, we must first go back to 1982 when Canada launched an extensive exploration and containment of low-level radioactive land all over the territory. It was piloted by the Low-Level Radioactive Waste Management Office (LLRWMO).
In Fort McMurray, radioactive minerals were regularly discharged and used along the Northern Transportation Road. Built in the 1930s, the thoroughfare was initially used to transport uranium from the Port Radium mine (Northwest Territories) to Fort McMurray. From there, uranium was also transported by train to Port Hope, Ontario.
The Port Radium mine closed in 1960. Thefts and pillages occurred along the road and that is where the contamination is most visible.
The LLRWMO detected more radioactive sites around Fort McMurray. Work began in 1992 and, up to 2003, 42,500m3 of waste were sent to a specially-engineered landfill with a double layer of clay, several management systems, protection and monitoring, as well as a layer of earth and grass.
The site is monitored annually by the LLRWMO.
Does the site really exist?
The site’s existence is confirmed in several reports, including the Inventory of Radioactive Waste in Canada, published in 2012 by the LLRWMO.
Several questions have arisen. Was the site burnt in the wildfires? Have radioactive particles been emitted into the atmosphere? What is the risk to the environment?
For the moment, no specific warning has been triggered.
The response from the Canadian authorities
(Translated from French)
Canadian Nuclear Laboratories and our Low-Level Radioactive Waste Management Office are responsible for managing historic low-intensity radioactive waste located in the Beacon Hill dump at Fort McMurray. The site is at the north end of the Beacon Hill landfill site, which itself is south of the city of Fort McMurray and west of Highway 63. The approximate coordinates are: 56 degrees 39 ’10 “ N, 111 degrees 20 ’56 “W.
- CNL manages these sites on behalf of Atomic Energy of Canada Ltd, the federal corporation that is ultimately responsible for the safe management of historic low-intensity radioactive waste.
- The low-intensity waste at Beacon Hill consists of uranium ore residue, mixed with soil and placed in isolation (in a separate cell), which is covered with a thick layer of low-permeability soil, then another, dense layer of clean earth. In total, there are at least 45 centimetres of clean soil over the contaminated soil.
- According to the information available, it appears that the site was affected by the fires. That said, this does not pose any immediate risk to the health and safety of people and the environment. There are also no concerns about the physical integrity of the cell.
- Given the composition of the contaminated soil, that is to say, ore residue mixed with earth, there is no risk that it will catch fire. In a similar way to a field or garden, fire can ignite the grass, but the earth itself does not catch fire.
We will continue to watch this situation closely.
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