Last updated 10/18/2016
Any site selected for a deep geological repository must be able to safely contain and isolate the used nuclear fuel over many hundreds of thousands of years.
To avoid potential intrusion and disturbance by future generations, the repository will not be sited in any area with natural resources such as minerals, oil or gas. An abandoned mine would not meet these site requirements since it could still contain traces of natural resources that could become economically exploitable in the future.
The presence of natural resources may also indicate characteristics in the rock formations, such as fractures, which are not suitable for the safe, long-term containment and isolation of the used nuclear fuel.
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Environment, Safety and Security,
Last updated 9/5/2018
Canada's plan for the safe, long-term management of used nuclear fuel involves containing and isolating it in a deep geological repository.
Safety of people and the environment is the top priority in the process for selecting a repository site. We will need to demonstrate that any site selected can safely contain and isolate used nuclear fuel for a very long period of time. There cannot be any credible risk from the repository to the public or the environment.
The repository will be located deep underground in a suitable rock formation, which must meet site selection technical criteria for the development of a robust safety case. This approach is consistent with international best practice, and is the culmination of more than 30 years of research, development, and demonstration of technologies and techniques.
The repository uses multiple barriers that include the waste form, container, sealing materials, and host rock. The system is designed such that the failure of one component would not jeopardize the safety of the containment system as a whole.
The project will also be subject to a thorough regulatory review process, including an environmental assessment and a licensing review to ensure that it is implemented in a manner that protects people and the environment.
Once placed in the repository, the used nuclear fuel will be monitored for an extended period of time.
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Last updated 3/2/2020
Since 2010, we have been engaged in a multi-year, community-driven process to identify a site where Canada’s used nuclear fuel can be safely contained and isolated in a deep geological repository.
Potential siting areas are identified and assessed in a series of steps that began when communities formally expressed interest in learning more.
The safety and appropriateness of any potential site will be assessed against a number of factors, both technical and social in nature.
The process is community driven. It is designed to ensure, above all, that the site selected is safe and secure, and has an informed and willing host. The process must meet the highest scientific, professional and ethical standards.
The project will only proceed with the involvement of Municipal and Indigenous communities in the area and surrounding communities, working in partnership to implement it.
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Collaboration with both experts and the public is key to the design of Canada's plan for the long-term management of used nuclear fuel, and is at the heart of the plan's implementation. We have involved and will continue to involve people throughout the process in the implementation of the plan by:
We will also provide forms of assistance to interested communities and others potentially affected so they can participate in the process.
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Transportation of radioactive material is a well-established practice. Over 50 years, there have been more than 20,000 shipments worldwide of used nuclear fuel, using road, rail and water transport. Canada has proven, and continues to demonstrate, its ability to safely transport used fuel, with hundreds of shipments made since the 1960s.
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